{"id":14812,"date":"2025-09-11T13:37:21","date_gmt":"2025-09-11T13:37:21","guid":{"rendered":"https:\/\/soundandgo.com\/?p=14812"},"modified":"2026-03-05T14:52:49","modified_gmt":"2026-03-05T14:52:49","slug":"headphone-test","status":"publish","type":"post","link":"https:\/\/soundandgo.com\/en\/headphone-test\/","title":{"rendered":"Headphone test in browser &#8211; Left Right Test Headphones"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"14812\" class=\"elementor elementor-14812 elementor-14514\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-22a3fe05 e-flex e-con-boxed e-con e-parent\" data-id=\"22a3fe05\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-a6801e4 e-con-full e-flex e-con e-child\" data-id=\"a6801e4\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2668853 elementor-widget elementor-widget-breadcrumbs\" data-id=\"2668853\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"breadcrumbs.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<nav aria-label=\"breadcrumbs\" class=\"rank-math-breadcrumb\"><p><span class=\"last\">Home<\/span><\/p><\/nav>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-51a80b6c elementor-widget elementor-widget-heading\" data-id=\"51a80b6c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-xxl\">Headphone test - Left, right, frequencies, and more with our headphone test <\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-913e350 elementor-icon-list--layout-inline elementor-align-center elementor-list-item-link-full_width elementor-widget elementor-widget-icon-list\" data-id=\"913e350\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-list.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<ul class=\"elementor-icon-list-items elementor-inline-items\">\n\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item elementor-inline-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-check-circle\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">100% locally in browser<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item elementor-inline-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-check-circle\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">No uploads<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item elementor-inline-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-check-circle\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">No ads<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7780e392 elementor-widget elementor-widget-html\" data-id=\"7780e392\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<style>\n  \/* variables and base box *\/\n  #hp-test{\n    --bg: #ffffff;\n    --fg: #0f172a;\n    --muted: #5b6473;\n    --brand: #4D00F2;\n    --brand-2: #3c00bd;\n    --error: #dc2626;\n    --border: #e5e7eb;\n    --surface: #f8fafc;\n    --radius: 14px;\n    --shadow: 0 8px 24px rgba(2, 6, 23, 0.06);\n\n    --field-bg: #ffffff;\n    --field-border: #d7dee8;\n    --field-shadow: 0 1px 0 rgba(2, 6, 23, 0.03);\n    --focus-ring: 0 0 0 6px rgba(77, 0, 242, 0.16);\n\n    --track: #dbe2ea;\n    --track-h: 10px;\n    --thumb: 20px;\n  }\n\n  #hp-test{\n    background: var(--bg);\n    color: var(--fg);\n    border: 1px solid var(--border);\n    border-radius: var(--radius);\n    padding: 18px;\n    box-shadow: var(--shadow);\n    font-family: system-ui, Arial, sans-serif;\n  }\n\n  \/* typography scoped to widget *\/\n  #hp-test h3{\n    margin: 10px 0 10px;\n    font-size: 16px;\n    font-weight: 650;\n    color: var(--fg);\n    letter-spacing: 0.1px;\n  }\n  #hp-test p{ margin: 6px 0; color: var(--muted); font-size: 14px; }\n  #hp-test label{ font-size: 13px; color: var(--muted); }\n\n  \/* layout scoped to widget *\/\n  #hp-test .row{ display: flex; flex-wrap: wrap; gap: 12px; align-items: center; margin: 12px 0; }\n  #hp-test .grow{ flex: 1 1 260px; }\n  #hp-test .stack{ display: grid; gap: 8px; }\n  #hp-test .stack > label{ line-height: 1.2; }\n\n  \/* cards scoped to widget *\/\n  #hp-test .card{\n    border: 1px solid var(--border);\n    border-radius: 14px;\n    background: linear-gradient(180deg, rgba(248,250,252,1) 0%, rgba(248,250,252,0.75) 100%);\n    padding: 14px;\n    margin-top: 12px;\n  }\n\n  \/* details scoped to widget *\/\n  #hp-test details{\n    border: 1px solid var(--border);\n    border-radius: 14px;\n    background: linear-gradient(180deg, rgba(248,250,252,1) 0%, rgba(248,250,252,0.75) 100%);\n    padding: 12px 14px;\n    margin-top: 12px;\n  }\n  #hp-test summary{\n    cursor: pointer;\n    font-weight: 650;\n    color: var(--fg);\n    outline: none;\n    list-style: none;\n    display: flex;\n    align-items: center;\n    justify-content: space-between;\n    gap: 10px;\n  }\n  #hp-test summary::-webkit-details-marker{ display: none; }\n  #hp-test summary:after{\n    content: \"\u203a\";\n    font-size: 20px;\n    line-height: 1;\n    color: var(--muted);\n    transform: rotate(90deg);\n    transition: transform .18s ease;\n  }\n  #hp-test details[open] summary:after{ transform: rotate(-90deg); }\n\n  \/* status pill *\/\n  #hp-test .status{\n    font-size: 13px;\n    color: var(--muted);\n    padding: 7px 10px;\n    border: 1px solid var(--border);\n    border-radius: 999px;\n    background: rgba(248,250,252,0.7);\n    backdrop-filter: blur(6px);\n  }\n\n  \/* buttons scoped to widget *\/\n  #hp-test .btn{\n    display: inline-flex;\n    align-items: center;\n    justify-content: center;\n    gap: .5rem;\n    border: 1px solid transparent;\n    background: var(--brand);\n    color: #fff;\n    padding: 10px 14px;\n    font-size: 15px;\n    border-radius: 12px;\n    line-height: 1;\n    cursor: pointer;\n    transition: transform .06s ease, background .2s ease, box-shadow .2s ease, opacity .2s ease, border-color .2s ease;\n    text-decoration: none;\n    user-select: none;\n    box-shadow: 0 8px 18px rgba(77, 0, 242, 0.18);\n  }\n  #hp-test .btn:hover{ background: var(--brand-2); transform: translateY(-1px); }\n  #hp-test .btn:active{ transform: translateY(0); box-shadow: 0 6px 14px rgba(77, 0, 242, 0.16); }\n  #hp-test .btn:focus-visible{ outline: none; box-shadow: 0 0 0 2px #fff, var(--focus-ring), 0 8px 18px rgba(77, 0, 242, 0.18); }\n  #hp-test .btn[disabled]{ opacity: .55; cursor: not-allowed; transform: none; box-shadow: none; }\n\n  #hp-test .btn.secondary{\n    background: var(--field-bg);\n    color: var(--fg);\n    border-color: var(--field-border);\n    box-shadow: var(--field-shadow);\n  }\n  #hp-test .btn.secondary:hover{\n    background: rgba(248,250,252,0.9);\n    border-color: #cbd5e1;\n  }\n\n  #hp-test .btn.danger{\n    background: var(--error);\n    border-color: rgba(220,38,38,0.2);\n    box-shadow: 0 8px 18px rgba(220,38,38,0.16);\n  }\n  #hp-test .btn.danger:hover{ filter: brightness(0.95); }\n\n  \/* form controls *\/\n  #hp-test input[type=\"number\"],\n  #hp-test select{\n    width: 100%;\n    min-width: 160px;\n    height: 40px;\n    padding: 0 12px;\n    border-radius: 12px;\n    border: 1px solid var(--field-border);\n    background: var(--field-bg);\n    color: var(--fg);\n    font-size: 14px;\n    box-shadow: var(--field-shadow);\n    transition: box-shadow .18s ease, border-color .18s ease, background .18s ease;\n  }\n  #hp-test select{ cursor: pointer; }\n  #hp-test input[type=\"number\"]:hover,\n  #hp-test select:hover{ border-color: #cbd5e1; }\n\n  #hp-test input[type=\"number\"]:focus,\n  #hp-test select:focus{\n    outline: none;\n    border-color: rgba(77, 0, 242, 0.45);\n    box-shadow: 0 0 0 2px #fff, var(--focus-ring), var(--field-shadow);\n  }\n\n  #hp-test input[type=\"number\"]{\n    appearance: textfield;\n  }\n  #hp-test input[type=\"number\"]::-webkit-outer-spin-button,\n  #hp-test input[type=\"number\"]::-webkit-inner-spin-button{\n    -webkit-appearance: none;\n    margin: 0;\n  }\n\n  \/* range slider *\/\n  #hp-test .range{ position: relative; width: 100%; padding-top: 2px; }\n\n  #hp-test .range input[type=\"range\"]{\n    -webkit-appearance: none;\n    appearance: none;\n    width: 100%;\n    height: var(--track-h);\n    border-radius: 999px;\n    background: linear-gradient(to right, var(--brand) var(--fill, 0%), var(--track) var(--fill, 0%));\n    outline: none;\n    margin: 8px 0 6px;\n    cursor: pointer;\n    box-shadow: inset 0 1px 0 rgba(2, 6, 23, 0.05);\n  }\n\n  #hp-test .range input[type=\"range\"]::-webkit-slider-runnable-track{\n    height: var(--track-h);\n    background: transparent;\n    border-radius: 999px;\n  }\n\n  #hp-test .range input[type=\"range\"]::-webkit-slider-thumb{\n    -webkit-appearance: none;\n    width: var(--thumb);\n    height: var(--thumb);\n    border-radius: 999px;\n    background: radial-gradient(circle at 30% 30%, #ffffff 0%, #f1f5f9 60%, #e2e8f0 100%);\n    border: 2px solid rgba(77, 0, 242, 0.9);\n    margin-top: calc((var(--track-h) - var(--thumb)) \/ 2);\n    box-shadow: 0 10px 22px rgba(2, 6, 23, 0.12);\n    transition: transform .08s ease, box-shadow .18s ease;\n  }\n\n  #hp-test .range input[type=\"range\"]:hover::-webkit-slider-thumb{\n    transform: scale(1.05);\n    box-shadow: 0 12px 26px rgba(2, 6, 23, 0.14);\n  }\n\n  #hp-test .range input[type=\"range\"]:focus-visible{\n    box-shadow: inset 0 1px 0 rgba(2, 6, 23, 0.05), var(--focus-ring);\n  }\n  #hp-test .range input[type=\"range\"]:focus-visible::-webkit-slider-thumb{\n    box-shadow: 0 0 0 6px rgba(77, 0, 242, 0.18), 0 10px 22px rgba(2, 6, 23, 0.12);\n  }\n\n  #hp-test .range input[type=\"range\"]::-moz-range-track{\n    height: var(--track-h);\n    background: var(--track);\n    border: none;\n    border-radius: 999px;\n    box-shadow: inset 0 1px 0 rgba(2, 6, 23, 0.05);\n  }\n  #hp-test .range input[type=\"range\"]::-moz-range-progress{\n    height: var(--track-h);\n    background: var(--brand);\n    border-radius: 999px;\n  }\n  #hp-test .range input[type=\"range\"]::-moz-range-thumb{\n    width: var(--thumb);\n    height: var(--thumb);\n    border-radius: 999px;\n    background: radial-gradient(circle at 30% 30%, #ffffff 0%, #f1f5f9 60%, #e2e8f0 100%);\n    border: 2px solid rgba(77, 0, 242, 0.9);\n    box-shadow: 0 10px 22px rgba(2, 6, 23, 0.12);\n  }\n\n  \/* helpers *\/\n  #hp-test .ticks{\n    display: flex;\n    justify-content: space-between;\n    font-size: 12px;\n    color: var(--muted);\n    margin-top: 2px;\n    opacity: 0.9;\n  }\n\n  #hp-test .bubble{\n    position: absolute;\n    top: -36px;\n    transform: translateX(-50%);\n    padding: 5px 9px;\n    font-size: 12px;\n    background: rgba(17, 24, 39, 0.96);\n    color: #fff;\n    border-radius: 10px;\n    white-space: nowrap;\n    opacity: 0;\n    pointer-events: none;\n    transition: opacity .12s ease, top .12s ease;\n    box-shadow: 0 10px 22px rgba(2, 6, 23, 0.18);\n  }\n  #hp-test .bubble:after{\n    content: \"\";\n    position: absolute;\n    left: 50%;\n    bottom: -4px;\n    transform: translateX(-50%);\n    width: 7px;\n    height: 7px;\n    background: rgba(17, 24, 39, 0.96);\n    border-radius: 2px;\n    rotate: 45deg;\n  }\n  #hp-test .bubble.show{ opacity: 1; top: -40px; }\n\n  \/* accessibility *\/\n  #hp-test :focus-visible{ outline: none; }\n<\/style>\n\n<div id=\"hp-test\" role=\"group\" aria-label=\"Headphone test\">\n  <div class=\"row\">\n    <div class=\"stack grow\">\n      <label for=\"vol\">Volume<\/label>\n      <div class=\"range\">\n        <input id=\"vol\" type=\"range\" min=\"0\" max=\"1\" step=\"0.01\" value=\"0.2\" \/>\n        <span class=\"bubble\" id=\"volBubble\">20%<\/span>\n      <\/div>\n      <div class=\"ticks\"><span>0%<\/span><span>100%<\/span><\/div>\n    <\/div>\n    <button id=\"stopAll\" class=\"btn danger\" type=\"button\">Stop<\/button>\n    <span id=\"status\" class=\"status\" aria-live=\"polite\">Ready<\/span>\n  <\/div>\n\n  <div class=\"card\">\n    <h3>Check channels<\/h3>\n    <div class=\"row\">\n      <button class=\"btn secondary\" id=\"btnLeft\" type=\"button\">Left<\/button>\n      <button class=\"btn secondary\" id=\"btnRight\" type=\"button\">Right<\/button>\n      <button class=\"btn secondary\" id=\"btnStereo\" type=\"button\">Stereo<\/button>\n    <\/div>\n\n    <div class=\"row\">\n      <div class=\"stack grow\">\n        <label for=\"pan\">Pan<\/label>\n        <div class=\"range\">\n          <input id=\"pan\" type=\"range\" min=\"-1\" max=\"1\" step=\"0.01\" value=\"0\" \/>\n          <span class=\"bubble\" id=\"panBubble\">Center<\/span>\n        <\/div>\n        <div class=\"ticks\"><span>Left<\/span><span>Right<\/span><\/div>\n      <\/div>\n\n      <button class=\"btn\" id=\"btnTone\" type=\"button\">Start tone<\/button>\n      <button class=\"btn secondary\" id=\"btnToneStop\" type=\"button\">Stop tone<\/button>\n    <\/div>\n\n    <div class=\"row\">\n      <div class=\"stack grow\">\n        <label for=\"freq\">Frequency<\/label>\n        <div class=\"range\">\n          <input id=\"freq\" type=\"range\" min=\"0\" max=\"1000\" value=\"473\" step=\"1\" \/>\n          <span class=\"bubble\" id=\"freqBubble\">440 Hz<\/span>\n        <\/div>\n        <div class=\"ticks\"><span>10 Hz<\/span><span>30 kHz<\/span><\/div>\n      <\/div>\n      <div class=\"stack\">\n        <label for=\"freqNum\">Frequency in Hz<\/label>\n        <input id=\"freqNum\" type=\"number\" min=\"10\" max=\"30000\" value=\"440\" \/>\n      <\/div>\n      <div class=\"stack\">\n        <label for=\"waveSel\">Waveform<\/label>\n        <select id=\"waveSel\">\n          <option value=\"sine\">Sine<\/option>\n          <option value=\"square\">Square<\/option>\n          <option value=\"triangle\">Triangle<\/option>\n          <option value=\"sawtooth\">Sawtooth<\/option>\n        <\/select>\n      <\/div>\n    <\/div>\n  <\/div>\n\n  <div class=\"card\">\n    <h3>Sweep<\/h3>\n    <div class=\"row\">\n      <div class=\"stack\">\n        <label for=\"sweepStart\">Start in Hz<\/label>\n        <input id=\"sweepStart\" type=\"number\" min=\"10\" max=\"30000\" value=\"10\" \/>\n      <\/div>\n      <div class=\"stack\">\n        <label for=\"sweepEnd\">End in Hz<\/label>\n        <input id=\"sweepEnd\" type=\"number\" min=\"10\" max=\"30000\" value=\"30000\" \/>\n      <\/div>\n      <div class=\"stack\">\n        <label for=\"sweepDur\">Duration in s<\/label>\n        <input id=\"sweepDur\" type=\"number\" min=\"1\" max=\"120\" value=\"20\" \/>\n      <\/div>\n      <button class=\"btn\" id=\"btnSweep\" type=\"button\">Start sweep<\/button>\n      <button class=\"btn secondary\" id=\"btnSweepStop\" type=\"button\">Stop sweep<\/button>\n    <\/div>\n    <p id=\"sweepNow\">Current frequency 0 Hz<\/p>\n  <\/div>\n\n  <details>\n    <summary>Open bursts<\/summary>\n    <div class=\"row\" style=\"margin-top:8px\">\n      <div class=\"stack\">\n        <label for=\"burstFreq\">Frequency in Hz<\/label>\n        <input id=\"burstFreq\" type=\"number\" min=\"10\" max=\"30000\" value=\"1000\" \/>\n      <\/div>\n      <div class=\"stack\">\n        <label for=\"burstOn\">On time in ms<\/label>\n        <input id=\"burstOn\" type=\"number\" min=\"20\" max=\"2000\" value=\"150\" \/>\n      <\/div>\n      <div class=\"stack\">\n        <label for=\"burstOff\">Off time in ms<\/label>\n        <input id=\"burstOff\" type=\"number\" min=\"20\" max=\"2000\" value=\"150\" \/>\n      <\/div>\n      <div class=\"stack\">\n        <label for=\"burstCount\">Count<\/label>\n        <input id=\"burstCount\" type=\"number\" min=\"1\" max=\"50\" value=\"8\" \/>\n      <\/div>\n      <button class=\"btn\" id=\"btnBurst\" type=\"button\">Start bursts<\/button>\n    <\/div>\n  <\/details>\n\n  <details>\n    <summary>Open square 100 Hz<\/summary>\n    <div class=\"row\" style=\"margin-top:8px\">\n      <button class=\"btn secondary\" id=\"btnSq100\" type=\"button\">Start<\/button>\n      <button class=\"btn secondary\" id=\"btnSq100Stop\" type=\"button\">Stop<\/button>\n    <\/div>\n    <p>This test reveals buzzing parts and enclosure resonances. If you hear rattling reduce the level and check the fit.<\/p>\n  <\/details>\n\n  <details>\n    <summary>Open phase test<\/summary>\n    <div class=\"row\" style=\"margin-top:8px\">\n      <button class=\"btn secondary\" id=\"btnPhaseIn\" type=\"button\">In phase<\/button>\n      <button class=\"btn secondary\" id=\"btnPhaseOut\" type=\"button\">Out of phase<\/button>\n      <button class=\"btn secondary\" id=\"btnPhaseStop\" type=\"button\">Stop<\/button>\n    <\/div>\n    <p>In phase the center image feels solid. Out of phase the center becomes thin.<\/p>\n  <\/details>\n<\/div>\n\n<script>\n(function(){\n  const F_MIN = 10;\n  const F_MAX = 30000;\n\n  const ui = {\n    vol: document.getElementById('vol'),\n    pan: document.getElementById('pan'),\n    status: document.getElementById('status'),\n    btnLeft: document.getElementById('btnLeft'),\n    btnRight: document.getElementById('btnRight'),\n    btnStereo: document.getElementById('btnStereo'),\n    btnTone: document.getElementById('btnTone'),\n    btnToneStop: document.getElementById('btnToneStop'),\n    freq: document.getElementById('freq'),\n    freqNum: document.getElementById('freqNum'),\n    waveSel: document.getElementById('waveSel'),\n    btnSweep: document.getElementById('btnSweep'),\n    btnSweepStop: document.getElementById('btnSweepStop'),\n    sweepStart: document.getElementById('sweepStart'),\n    sweepEnd: document.getElementById('sweepEnd'),\n    sweepDur: document.getElementById('sweepDur'),\n    sweepNow: document.getElementById('sweepNow'),\n    btnBurst: document.getElementById('btnBurst'),\n    burstFreq: document.getElementById('burstFreq'),\n    burstOn: document.getElementById('burstOn'),\n    burstOff: document.getElementById('burstOff'),\n    burstCount: document.getElementById('burstCount'),\n    btnSq100: document.getElementById('btnSq100'),\n    btnSq100Stop: document.getElementById('btnSq100Stop'),\n    btnPhaseIn: document.getElementById('btnPhaseIn'),\n    btnPhaseOut: document.getElementById('btnPhaseOut'),\n    btnPhaseStop: document.getElementById('btnPhaseStop'),\n    stopAll: document.getElementById('stopAll'),\n    volBubble: document.getElementById('volBubble'),\n    panBubble: document.getElementById('panBubble'),\n    freqBubble: document.getElementById('freqBubble')\n  };\n\n  let ctx, masterGain, panner;\n  let current = null;\n  let sweepTimer = null;\n  let burstTimer = null;\n\n  const FADE = 0.12;\n  const STOP_FADE = 0.06;\n  const START_DELAY = 0.02;\n  const SILENCE = 0.000001;\n\n  function setStatus(t){ ui.status.textContent = t; }\n\n  function ensureCtx(){\n    if (ctx) return;\n    ctx = new (window.AudioContext || window.webkitAudioContext)();\n    masterGain = ctx.createGain();\n    masterGain.gain.value = SILENCE;\n    panner = ctx.createStereoPanner ? ctx.createStereoPanner() : null;\n    if (panner){\n      panner.pan.value = parseFloat(ui.pan.value);\n      masterGain.connect(ctx.destination);\n      panner.connect(masterGain);\n    } else {\n      masterGain.connect(ctx.destination);\n    }\n    rampVolume(parseFloat(ui.vol.value), 0.01);\n  }\n\n  function rampVolume(target, t=FADE){\n    if (!masterGain) return;\n    const now = ctx.currentTime;\n    masterGain.gain.cancelScheduledValues(now);\n    masterGain.gain.setValueAtTime(masterGain.gain.value, now);\n    masterGain.gain.setTargetAtTime(Math.max(SILENCE, target), now, t);\n  }\n\n  function effectiveHz(hz){\n    if (!ctx) return hz;\n    const ny = (ctx.sampleRate || 48000) \/ 2;\n    return Math.min(hz, ny - 50);\n  }\n\n  function sliderToHz(v){\n    const t = parseFloat(v) \/ 1000;\n    return F_MIN * Math.pow(F_MAX \/ F_MIN, t);\n  }\n  function hzToSlider(f){\n    const hz = Math.min(F_MAX, Math.max(F_MIN, f));\n    const t = Math.log(hz \/ F_MIN) \/ Math.log(F_MAX \/ F_MIN);\n    return Math.round(t * 1000);\n  }\n\n  function setFill(range){\n    const min = parseFloat(range.min);\n    const max = parseFloat(range.max);\n    const val = parseFloat(range.value);\n    const pct = ((val - min) * 100) \/ (max - min);\n    range.style.setProperty('--fill', pct + '%');\n  }\n\n  function positionBubble(range, bubble, formatter){\n    const min = parseFloat(range.min);\n    const max = parseFloat(range.max);\n    const val = parseFloat(range.value);\n    const pct = ((val - min) * 100) \/ (max - min);\n    const rect = range.getBoundingClientRect();\n    const x = rect.left + (pct \/ 100) * rect.width;\n    const parentRect = range.parentElement.getBoundingClientRect();\n    bubble.style.left = (x - parentRect.left) + 'px';\n    bubble.textContent = formatter(val);\n  }\n\n  function attachBubble(range, bubble, formatter){\n    let hideT;\n    function show(){ bubble.classList.add('show'); clearTimeout(hideT); }\n    function scheduleHide(){ hideT = setTimeout(()=> bubble.classList.remove('show'), 800); }\n\n    setFill(range);\n    positionBubble(range, bubble, formatter);\n\n    range.addEventListener('input', ()=>{\n      setFill(range);\n      positionBubble(range, bubble, formatter);\n      show();\n      scheduleHide();\n    });\n\n    range.addEventListener('pointerdown', ()=>{ show(); });\n    range.addEventListener('focus', ()=>{ show(); });\n    range.addEventListener('blur', ()=>{ bubble.classList.remove('show'); });\n\n    document.addEventListener('pointerup', ()=>{ scheduleHide(); });\n    window.addEventListener('resize', ()=> positionBubble(range, bubble, formatter));\n  }\n\n  function makeDCBlocker(){\n    const hp = ctx.createBiquadFilter();\n    hp.type = 'highpass';\n    hp.frequency.value = 20;\n    hp.Q.value = 0.707;\n    return hp;\n  }\n\n  function smoothStopNodes(obj){\n    const now = ctx.currentTime;\n    const end = now + STOP_FADE;\n\n    try{\n      if (obj.gain){\n        const g = obj.gain.gain;\n        g.cancelScheduledValues(now);\n        g.setValueAtTime(g.value, now);\n        g.linearRampToValueAtTime(SILENCE, end);\n      }\n      if (obj.leftGain && obj.rightGain){\n        const lg = obj.leftGain.gain;\n        const rg = obj.rightGain.gain;\n        lg.cancelScheduledValues(now);\n        rg.cancelScheduledValues(now);\n        lg.setValueAtTime(lg.value, now);\n        rg.setValueAtTime(rg.value, now);\n        lg.linearRampToValueAtTime(SILENCE, end);\n        rg.linearRampToValueAtTime(SILENCE, end);\n      }\n    }catch{}\n\n    setTimeout(()=>{\n      try{ if (obj.osc){ obj.osc.stop(); } }catch{}\n      setTimeout(()=>{\n        try{\n          if (obj.osc){ obj.osc.disconnect(); }\n          if (obj.gain){ obj.gain.disconnect(); }\n          if (obj.dc){ obj.dc.disconnect(); }\n          if (obj.merger){ obj.merger.disconnect(); }\n          if (obj.leftGain){ obj.leftGain.disconnect(); }\n          if (obj.rightGain){ obj.rightGain.disconnect(); }\n        }catch{}\n      }, 8);\n    }, Math.ceil(STOP_FADE * 1000));\n  }\n\n  function stopCurrent(){\n    return new Promise(resolve=>{\n      if (sweepTimer){ cancelAnimationFrame(sweepTimer); sweepTimer = null; }\n      if (burstTimer){ clearInterval(burstTimer); burstTimer = null; }\n\n      if (!current){\n        setStatus('Ready');\n        return resolve();\n      }\n\n      smoothStopNodes(current);\n      current = null;\n      setTimeout(()=>{ setStatus('Ready'); resolve(); }, Math.ceil((STOP_FADE + 0.05) * 1000));\n    });\n  }\n\n  async function startOrUpdateTone(panValue, hz, type='sine'){\n    ensureCtx();\n\n    if (panner) panner.pan.value = panValue;\n    const eff = effectiveHz(hz);\n\n    if (current && current.kind === 'tone' && current.osc){\n      try{\n        current.osc.type = type;\n        current.osc.frequency.setValueAtTime(eff, ctx.currentTime);\n      }catch{}\n      setStatus('Tone active');\n      return;\n    }\n\n    await stopCurrent();\n\n    const osc = ctx.createOscillator();\n    const dc = makeDCBlocker();\n    const gain = ctx.createGain();\n    osc.type = type;\n    osc.frequency.value = eff;\n    gain.gain.value = SILENCE;\n\n    osc.connect(dc);\n    dc.connect(gain);\n    if (panner){\n      gain.connect(panner);\n    } else {\n      gain.connect(masterGain);\n    }\n\n    const t0 = ctx.currentTime + START_DELAY;\n    osc.start(t0);\n    gain.gain.setValueAtTime(SILENCE, t0);\n    gain.gain.linearRampToValueAtTime(1.0, t0 + FADE);\n\n    current = { kind:'tone', osc, gain, dc };\n    setStatus('Tone active');\n  }\n\n  async function startSweep(startHz, endHz, durSec){\n    ensureCtx();\n    await stopCurrent();\n\n    const sEff = effectiveHz(startHz);\n    const eEff = effectiveHz(endHz);\n\n    const osc = ctx.createOscillator();\n    const dc = makeDCBlocker();\n    const gain = ctx.createGain();\n    osc.type = 'sine';\n    gain.gain.value = SILENCE;\n\n    osc.connect(dc);\n    dc.connect(gain);\n    if (panner){\n      panner.pan.value = 0;\n      gain.connect(panner);\n    } else {\n      gain.connect(masterGain);\n    }\n\n    const t0 = ctx.currentTime + START_DELAY;\n    const tEnd = t0 + durSec;\n\n    const f0 = Math.max(10, sEff);\n    const the_f1 = Math.max(10, eEff);\n\n    osc.frequency.setValueAtTime(f0, t0);\n    osc.frequency.exponentialRampToValueAtTime(the_f1, tEnd);\n\n    gain.gain.setValueAtTime(SILENCE, t0);\n    gain.gain.linearRampToValueAtTime(1.0, t0 + FADE);\n\n    osc.start(t0);\n\n    function tick(){\n      const now = ctx.currentTime;\n      const ratio = Math.min(1, Math.max(0, (now - t0) \/ durSec));\n      const f = f0 * Math.pow(the_f1 \/ f0, ratio);\n      ui.sweepNow.textContent = 'Current frequency ' + Math.round(f) + ' Hz';\n      if (now < tEnd){ sweepTimer = requestAnimationFrame(tick); }\n    }\n    tick();\n\n    current = { kind:'sweep', osc, gain, dc };\n    setStatus('Sweep running');\n  }\n\n  async function startBursts(hz, onMs, offMs, count){\n    ensureCtx();\n    await stopCurrent();\n\n    const eff = effectiveHz(hz);\n\n    const osc = ctx.createOscillator();\n    const dc = makeDCBlocker();\n    const gain = ctx.createGain();\n    osc.type = 'sine';\n    osc.frequency.value = eff;\n    gain.gain.value = SILENCE;\n\n    osc.connect(dc);\n    dc.connect(gain);\n    if (panner){\n      panner.pan.value = 0;\n      gain.connect(panner);\n    } else {\n      gain.connect(masterGain);\n    }\n\n    const t0 = ctx.currentTime + START_DELAY;\n    osc.start(t0);\n\n    let done = 0;\n\n    function doBurst(){\n      const now = ctx.currentTime;\n      gain.gain.cancelScheduledValues(now);\n      gain.gain.setValueAtTime(gain.gain.value, now);\n      gain.gain.linearRampToValueAtTime(1.0, now + 0.03);\n      setTimeout(()=>{\n        const n2 = ctx.currentTime;\n        gain.gain.cancelScheduledValues(n2);\n        gain.gain.setValueAtTime(gain.gain.value, n2);\n        gain.gain.linearRampToValueAtTime(SILENCE, n2 + 0.03);\n      }, onMs);\n      done++;\n      if (done >= count){\n        clearInterval(burstTimer);\n        burstTimer = null;\n        setTimeout(()=>{\n          smoothStopNodes({ osc, gain, dc });\n          current = null;\n          setStatus('Ready');\n        }, offMs + 40);\n      }\n    }\n    setTimeout(doBurst, Math.max(0, (t0 - ctx.currentTime) * 1000));\n    burstTimer = setInterval(doBurst, onMs + offMs);\n\n    current = { kind:'bursts', osc, gain, dc };\n    setStatus('Bursts active');\n  }\n\n  async function startPhase(outOfPhase){\n    ensureCtx();\n    await stopCurrent();\n\n    const osc = ctx.createOscillator();\n    const dc = makeDCBlocker();\n    const leftGain = ctx.createGain();\n    const rightGain = ctx.createGain();\n    const merger = ctx.createChannelMerger(2);\n\n    osc.type = 'sine';\n    osc.frequency.value = 440;\n\n    leftGain.gain.value = SILENCE;\n    rightGain.gain.value = SILENCE;\n\n    osc.connect(dc);\n    dc.connect(leftGain);\n    dc.connect(rightGain);\n    leftGain.connect(merger, 0, 0);\n    rightGain.connect(merger, 0, 1);\n    merger.connect(masterGain);\n\n    const t0 = ctx.currentTime + START_DELAY;\n    const target = outOfPhase ? -1.0 : 1.0;\n\n    osc.start(t0);\n    leftGain.gain.setValueAtTime(SILENCE, t0);\n    rightGain.gain.setValueAtTime(SILENCE, t0);\n    leftGain.gain.linearRampToValueAtTime(1.0, t0 + FADE);\n    rightGain.gain.linearRampToValueAtTime(target, t0 + FADE);\n\n    current = { kind:'phase', osc, leftGain, rightGain, merger, dc };\n    setStatus(outOfPhase ? 'Phase test out of phase active' : 'Phase test in phase active');\n  }\n\n  async function startSquare100(){\n    ensureCtx();\n    await stopCurrent();\n\n    const osc = ctx.createOscillator();\n    const dc = makeDCBlocker();\n    const gain = ctx.createGain();\n    osc.type = 'square';\n    osc.frequency.value = 100;\n    gain.gain.value = SILENCE;\n\n    osc.connect(dc);\n    dc.connect(gain);\n    if (panner){\n      panner.pan.value = 0;\n      gain.connect(panner);\n    } else {\n      gain.connect(masterGain);\n    }\n\n    const t0 = ctx.currentTime + START_DELAY;\n    osc.start(t0);\n    gain.gain.setValueAtTime(SILENCE, t0);\n    gain.gain.linearRampToValueAtTime(1.0, t0 + FADE);\n\n    current = { kind:'square100', osc, gain, dc };\n    setStatus('Square test active');\n  }\n\n  ui.vol.addEventListener('input', ()=>{\n    setFill(ui.vol);\n    if (ctx) rampVolume(parseFloat(ui.vol.value));\n  });\n  ui.pan.addEventListener('input', ()=>{\n    setFill(ui.pan);\n    if (panner) panner.pan.value = parseFloat(ui.pan.value);\n  });\n\n  ui.freq.addEventListener('input', ()=>{\n    setFill(ui.freq);\n    const hz = sliderToHz(ui.freq.value);\n    ui.freqNum.value = Math.round(hz);\n    positionBubble(ui.freq, ui.freqBubble, v => niceHz(sliderToHz(parseFloat(v))));\n    if (current && current.kind === 'tone' && current.osc){\n      current.osc.frequency.setValueAtTime(effectiveHz(hz), ctx.currentTime);\n    }\n  });\n\n  ui.freqNum.addEventListener('input', ()=>{\n    let v = parseFloat(ui.freqNum.value || 0);\n    v = Math.min(F_MAX, Math.max(F_MIN, v));\n    ui.freq.value = hzToSlider(v);\n    setFill(ui.freq);\n    positionBubble(ui.freq, ui.freqBubble, x => niceHz(sliderToHz(parseFloat(x))));\n    if (current && current.kind === 'tone' && current.osc){\n      current.osc.frequency.setValueAtTime(effectiveHz(v), ctx.currentTime);\n    }\n  });\n\n  ui.waveSel.addEventListener('change', ()=>{\n    if (current && current.kind === 'tone' && current.osc){\n      current.osc.type = ui.waveSel.value;\n    }\n  });\n\n  ui.btnLeft.addEventListener('click', ()=>{\n    const hz = sliderToHz(ui.freq.value);\n    startOrUpdateTone(-1, hz, ui.waveSel.value);\n  });\n  ui.btnRight.addEventListener('click', ()=>{\n    const hz = sliderToHz(ui.freq.value);\n    startOrUpdateTone(1, hz, ui.waveSel.value);\n  });\n  ui.btnStereo.addEventListener('click', ()=>{\n    const hz = sliderToHz(ui.freq.value);\n    startOrUpdateTone(0, hz, ui.waveSel.value);\n  });\n\n  ui.btnTone.addEventListener('click', ()=>{\n    const hz = sliderToHz(ui.freq.value);\n    startOrUpdateTone(parseFloat(ui.pan.value), hz, ui.waveSel.value);\n  });\n  ui.btnToneStop.addEventListener('click', ()=>{ stopCurrent(); });\n\n  ui.btnSweep.addEventListener('click', async ()=>{\n    let s = Math.min(F_MAX, Math.max(F_MIN, parseFloat(ui.sweepStart.value)));\n    let e = Math.min(F_MAX, Math.max(F_MIN, parseFloat(ui.sweepEnd.value)));\n    let d = Math.min(120, Math.max(1, parseFloat(ui.sweepDur.value)));\n    await startSweep(s, e, d);\n  });\n  ui.btnSweepStop.addEventListener('click', ()=>{ stopCurrent(); });\n\n  ui.btnBurst.addEventListener('click', async ()=>{\n    const f = Math.min(F_MAX, Math.max(F_MIN, parseFloat(ui.burstFreq.value) || 1000));\n    const onMs = Math.min(2000, Math.max(20, parseInt(ui.burstOn.value, 10) || 150));\n    const offMs = Math.min(2000, Math.max(20, parseInt(ui.burstOff.value, 10) || 150));\n    const count = Math.min(50, Math.max(1, parseInt(ui.burstCount.value, 10) || 8));\n    await startBursts(f, onMs, offMs, count);\n  });\n\n  ui.btnSq100.addEventListener('click', ()=>{ startSquare100(); });\n  ui.btnSq100Stop.addEventListener('click', ()=>{ stopCurrent(); });\n\n  ui.btnPhaseIn.addEventListener('click', ()=> startPhase(false));\n  ui.btnPhaseOut.addEventListener('click', ()=> startPhase(true));\n  ui.btnPhaseStop.addEventListener('click', ()=>{ stopCurrent(); });\n\n  ui.stopAll.addEventListener('click', ()=>{ stopCurrent(); });\n\n  document.getElementById('hp-test').addEventListener('keydown', (e)=>{\n    if (e.code === 'Space'){\n      e.preventDefault();\n      if (current) stopCurrent();\n      else ui.btnTone.click();\n    }\n    if (e.code === 'ArrowLeft'){\n      e.preventDefault();\n      ui.pan.value = Math.max(-1, parseFloat(ui.pan.value) - 0.05).toFixed(2);\n      ui.pan.dispatchEvent(new Event('input'));\n    }\n    if (e.code === 'ArrowRight'){\n      e.preventDefault();\n      ui.pan.value = Math.min(1, parseFloat(ui.pan.value) + 0.05).toFixed(2);\n      ui.pan.dispatchEvent(new Event('input'));\n    }\n  });\n\n  function niceHz(val){\n    const v = Math.round(val);\n    if (v >= 1000){\n      const k = v \/ 1000;\n      const fix = v % 1000 === 0 ? 0 : 1;\n      return k.toFixed(fix) + ' kHz';\n    }\n    return v + ' Hz';\n  }\n\n  attachBubble(ui.vol, ui.volBubble, v => Math.round(v * 100) + '%');\n  attachBubble(ui.pan, ui.panBubble, v => {\n    const x = parseFloat(v);\n    if (x < -0.01) return 'Left ' + Math.round(Math.abs(x) * 100) + '%';\n    if (x > 0.01) return 'Right ' + Math.round(Math.abs(x) * 100) + '%';\n    return 'Center';\n  });\n  attachBubble(ui.freq, ui.freqBubble, v => niceHz(sliderToHz(parseFloat(v))));\n\n  function setInitialFrequency(hz){\n    ui.freq.value = hzToSlider(hz);\n    setFill(ui.freq);\n    positionBubble(ui.freq, ui.freqBubble, v => niceHz(sliderToHz(parseFloat(v))));\n    ui.freqNum.value = Math.round(hz);\n  }\n  setInitialFrequency(440);\n\n  document.getElementById('hp-test').addEventListener('pointerdown', ensureCtx, { once: true });\n  setFill(ui.vol);\n  setFill(ui.pan);\n})();\n<\/script>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-02cb250 elementor-align-center elementor-widget elementor-widget-post-info\" data-id=\"02cb250\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"post-info.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<ul class=\"elementor-inline-items elementor-icon-list-items elementor-post-info\">\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item elementor-repeater-item-c9654dd elementor-inline-item\" itemprop=\"author\">\n\t\t\t\t\t\t<a href=\"https:\/\/soundandgo.com\/en\/author\/fabian-matzen\/\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t\t<img decoding=\"async\" class=\"elementor-avatar\" src=\"https:\/\/soundandgo.com\/wp-content\/uploads\/2022\/10\/Fabian-Matzen-soundandgo-about-us-96x96.webp\" alt=\"Picture of Fabian\" loading=\"lazy\" title=\"\">\n\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text elementor-post-info__item elementor-post-info__item--type-author\">\n\t\t\t\t\t\t\t<span class=\"elementor-post-info__item-prefix\">by<\/span>\n\t\t\t\t\t\t\t\t\t\tFabian\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t<\/li>\n\t\t\t\t<li class=\"elementor-icon-list-item elementor-repeater-item-b8e28dd elementor-inline-item\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text elementor-post-info__item elementor-post-info__item--type-custom\">\n\t\t\t\t\t\t\t\t\t\tlast edited: 05.03.2026\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-20587acf elementor-widget elementor-widget-n-accordion\" data-id=\"20587acf\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;default_state&quot;:&quot;expanded&quot;,&quot;max_items_expended&quot;:&quot;one&quot;,&quot;n_accordion_animation_duration&quot;:{&quot;unit&quot;:&quot;ms&quot;,&quot;size&quot;:400,&quot;sizes&quot;:[]}}\" data-widget_type=\"nested-accordion.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"e-n-accordion\" aria-label=\"Accordion. Open links with Enter or Space, close with Escape, and navigate with Arrow Keys\">\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-5420\" class=\"e-n-accordion-item\" open>\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"1\" tabindex=\"0\" aria-expanded=\"true\" aria-controls=\"e-n-accordion-item-5420\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> Troubleshooting <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><i aria-hidden=\"true\" class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t<span class='e-closed'><i aria-hidden=\"true\" class=\"fas fa-plus\"><\/i><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-5420\" class=\"elementor-element elementor-element-5207a1eb e-con-full e-flex e-con e-child\" data-id=\"5207a1eb\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-35fee26d elementor-widget elementor-widget-text-editor\" data-id=\"35fee26d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul><li>Check the system volume.<\/li><li>Is the browser tab muted?<\/li><li>Raise the volume control in the tool.<\/li><li>Select the correct output device in the system.<\/li><li>Reload the browser.<\/li><li>Check other programs and system settings.<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-be2595c elementor-widget elementor-widget-global elementor-global-17897 elementor-widget-template\" data-id=\"be2595c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"template.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-template\">\n\t\t\t\t\t<div data-elementor-type=\"container\" data-elementor-id=\"17894\" class=\"elementor elementor-17894\" data-elementor-post-type=\"elementor_library\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1dddbc46 e-flex e-con-boxed e-con e-child\" data-id=\"1dddbc46\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2e13578b elementor-align-center elementor-icon-list--layout-traditional elementor-list-item-link-full_width elementor-widget elementor-widget-icon-list\" data-id=\"2e13578b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-list.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<ul class=\"elementor-icon-list-items\">\n\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-hand-holding-heart\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Use our affiliate links and support our work.<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-403ca943 elementor-widget elementor-widget-text-editor\" data-id=\"403ca943\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Our website is <strong>free of external advertising banners<\/strong> <strong>and fake download buttons<\/strong>. By purchasing from our <strong>affiliate partners<\/strong> <a href=\"https:\/\/amzn.to\/4qKJuU2\" target=\"_blank\" rel=\"nofollow noopener\"><strong>Amazon<\/strong><\/a>* or <a href=\"https:\/\/www.thomannmusic.com\/?offid=1&amp;affid=2950\" target=\"_blank\" rel=\"nofollow noopener\"><strong>Thomann<\/strong><\/a>*, you <strong>don&#8217;t pay more<\/strong> and <strong>support us<\/strong> at the same time. Thank you!<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3249066b elementor-widget elementor-widget-text-editor\" data-id=\"3249066b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Want to check if your headphones are working properly? Then use our headphone test tool!<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5d168902 elementor-widget elementor-widget-heading\" data-id=\"5d168902\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">How does it work?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-991e7c6 elementor-widget elementor-widget-text-editor\" data-id=\"991e7c6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Select a comfortable volume level and click on <b>Start Sound<\/b>. Use <b>Left<\/b>, <b>Right<\/b>, and <b>Stereo<\/b> to immediately check whether both channels are playing correctly. The Panorama control shows you whether the balance is correct. Set the <b>frequency<\/b> using the slider or input field. This allows you to quickly find out whether your headphones reproduce low frequencies from around ten hertz and very high frequencies up to around thirty kilohertz cleanly.<\/p>\n<p>Start the <b>sweep<\/b> to check the entire hearing range evenly. Open <b>Bursts<\/b> if you want to test short pulses. Open <b>Square Wave 100 Hertz<\/b> to detect rattling components or housing resonances. The <b>phase test<\/b> shows you whether the midrange imaging is stable. Use <b>Stop<\/b> to end each test immediately.<\/p>\n<p>The Headphone Tool runs directly in your browser without installation. It works on desktop and smartphone in current versions of Chrome, Safari, Firefox, and Edge. For reliable results, we recommend a wired connection. Always start quietly and increase the volume slowly. This ensures that everything will be right from the start at your next <a href=\"http:\/\/microsoft.com\/de-de\/microsoft-teams\/log-in\" target=\"_blank\" rel=\"noopener\"><b>Teams<\/b><\/a> or <b><a href=\"https:\/\/zoom.us\/en\/signin#\/login\" target=\"_blank\" rel=\"noopener\">Zoom<\/a><\/b> meeting.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-132ce353 elementor-widget elementor-widget-heading\" data-id=\"132ce353\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Are you looking for reliable headphones?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-78980d6 elementor-widget elementor-widget-text-editor\" data-id=\"78980d6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Of course, when it comes to headphones, it really depends on the intended use. We have comparisons for <strong><a href=\"https:\/\/soundandgo.com\/en\/the-best-studio-headphones-in-comparison\/\">studio headphones<\/a><\/strong>, <strong><a href=\"https:\/\/soundandgo.com\/en\/the-best-podcast-headphones-for-podcasting\/\">podcast headphones<\/a><\/strong>, and <strong><a href=\"https:\/\/soundandgo.com\/en\/the-best-gaming-headset-for-you-gaming-headphones\/\">gaming headsets<\/a><\/strong>. Especially with high-quality headphones, more expensive does not necessarily mean better. Compare carefully and test the headphones against each other repeatedly. You can also use your favorite song for this, as you will notice the differences immediately.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-40c5250b elementor-widget elementor-widget-heading\" data-id=\"40c5250b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">About our headphone test:<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-399919d2 elementor-widget elementor-widget-text-editor\" data-id=\"399919d2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>The headphone test is particularly helpful for models where the \u201cright\u201d and \u201cleft\u201d labels are missing or partially worn. Broken or inferior headphones can also be detected with a simple frequency search. Do you find our tool helpful? Then feel free to share it or save it in your bookmarks for future use.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2492dd89 elementor-widget elementor-widget-heading\" data-id=\"2492dd89\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">FAQs<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ff3736b elementor-widget elementor-widget-n-accordion\" data-id=\"ff3736b\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;default_state&quot;:&quot;expanded&quot;,&quot;max_items_expended&quot;:&quot;one&quot;,&quot;n_accordion_animation_duration&quot;:{&quot;unit&quot;:&quot;ms&quot;,&quot;size&quot;:400,&quot;sizes&quot;:[]}}\" data-widget_type=\"nested-accordion.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"e-n-accordion\" aria-label=\"Accordion. Open links with Enter or Space, close with Escape, and navigate with Arrow Keys\">\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-2670\" class=\"e-n-accordion-item\" open>\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"1\" tabindex=\"0\" aria-expanded=\"true\" aria-controls=\"e-n-accordion-item-2670\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> What does the headphone test do? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><i aria-hidden=\"true\" class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t<span class='e-closed'><i aria-hidden=\"true\" class=\"fas fa-plus\"><\/i><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-2670\" class=\"elementor-element elementor-element-432a86c8 e-con-full e-flex e-con e-child\" data-id=\"432a86c8\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-30edb4ce elementor-widget elementor-widget-text-editor\" data-id=\"30edb4ce\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p data-start=\"102\" data-end=\"262\">It plays test tones directly in the browser. You can check channels, panorama, frequency response, sweeps, short bursts, square wave, and phase.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-2671\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"2\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-2671\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> Do I need to install anything? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><i aria-hidden=\"true\" class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t<span class='e-closed'><i aria-hidden=\"true\" class=\"fas fa-plus\"><\/i><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-2671\" class=\"elementor-element elementor-element-64ecdb03 e-con-full e-flex e-con e-child\" data-id=\"64ecdb03\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-690f6034 elementor-widget elementor-widget-text-editor\" data-id=\"690f6034\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p data-start=\"264\" data-end=\"374\">No. Everything runs locally in the browser. No audio data is uploaded.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-2672\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"3\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-2672\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> How do I adjust the volume? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><i aria-hidden=\"true\" class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t<span class='e-closed'><i aria-hidden=\"true\" class=\"fas fa-plus\"><\/i><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-2672\" class=\"elementor-element elementor-element-4c8983d e-con-full e-flex e-con e-child\" data-id=\"4c8983d\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-aa404d9 elementor-widget elementor-widget-text-editor\" data-id=\"aa404d9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p data-start=\"376\" data-end=\"493\">First regulate in the system, then in the tool. Always start quietly and increase slowly.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-2673\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"4\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-2673\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> Why can I only hear on the left or only on the right? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><i aria-hidden=\"true\" class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t<span class='e-closed'><i aria-hidden=\"true\" class=\"fas fa-plus\"><\/i><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-2673\" class=\"elementor-element elementor-element-8361067 e-con-full e-flex e-con e-child\" data-id=\"8361067\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-105cc4b7 elementor-widget elementor-widget-text-editor\" data-id=\"105cc4b7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p data-start=\"495\" data-end=\"666\">Test using the left, right, and stereo buttons. Set the panorama control to the middle position. Check the plugs and the fit of the ear cups. Your headphone might be broken.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-2674\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"5\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-2674\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> What is the Panorama control for? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><i aria-hidden=\"true\" class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t<span class='e-closed'><i aria-hidden=\"true\" class=\"fas fa-plus\"><\/i><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-2674\" class=\"elementor-element elementor-element-1aed548c e-con-full e-flex e-con e-child\" data-id=\"1aed548c\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-45e4540 elementor-widget elementor-widget-text-editor\" data-id=\"45e4540\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p data-start=\"668\" data-end=\"810\">It shifts the signal continuously between left and right. This allows you to check the balance of your headphones.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-2675\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"6\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-2675\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> What does the sweep do? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><i aria-hidden=\"true\" class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t<span class='e-closed'><i aria-hidden=\"true\" class=\"fas fa-plus\"><\/i><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-2675\" class=\"elementor-element elementor-element-20dca502 e-con-full e-flex e-con e-child\" data-id=\"20dca502\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-40cd7531 elementor-widget elementor-widget-text-editor\" data-id=\"40cd7531\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p data-start=\"982\" data-end=\"1115\">The sweep moves evenly through a frequency range. This allows you to hear dips or resonances in the response.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-2676\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"7\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-2676\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> What are bursts used for? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><i aria-hidden=\"true\" class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t<span class='e-closed'><i aria-hidden=\"true\" class=\"fas fa-plus\"><\/i><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-2676\" class=\"elementor-element elementor-element-6293b9ba e-con-full e-flex e-con e-child\" data-id=\"6293b9ba\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7b3a14ef elementor-widget elementor-widget-text-editor\" data-id=\"7b3a14ef\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p data-start=\"1117\" data-end=\"1228\">Bursts are short pulses. They allow you to detect distortion, pumping, or overshoot.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-2677\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"8\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-2677\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> What is the purpose of the rectangle test at one hundred hertz? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><i aria-hidden=\"true\" class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t<span class='e-closed'><i aria-hidden=\"true\" class=\"fas fa-plus\"><\/i><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-2677\" class=\"elementor-element elementor-element-7e1478db e-con-full e-flex e-con e-child\" data-id=\"7e1478db\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4bcef448 elementor-widget elementor-widget-text-editor\" data-id=\"4bcef448\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p data-start=\"1230\" data-end=\"1411\">It detects rattling components and housing resonances. If something rattles, reduce the volume and check the fit.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-2678\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"9\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-2678\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> What does the phase test show? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><i aria-hidden=\"true\" class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t<span class='e-closed'><i aria-hidden=\"true\" class=\"fas fa-plus\"><\/i><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-2678\" class=\"elementor-element elementor-element-14eb37ef e-con-full e-flex e-con e-child\" data-id=\"14eb37ef\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-344a55ca elementor-widget elementor-widget-text-editor\" data-id=\"344a55ca\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p data-start=\"1413\" data-end=\"1555\">In phase, the center appears stable. In counterphase, the center becomes thin. This helps to detect channel twists or defective cables.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-2679\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"10\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-2679\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> Can I use Bluetooth? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><i aria-hidden=\"true\" class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t<span class='e-closed'><i aria-hidden=\"true\" class=\"fas fa-plus\"><\/i><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-2679\" class=\"elementor-element elementor-element-490bf793 e-con-full e-flex e-con e-child\" data-id=\"490bf793\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-46b38804 elementor-widget elementor-widget-text-editor\" data-id=\"46b38804\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p data-start=\"1884\" data-end=\"2021\">Ja, jedoch mit m\u00f6glicher Latenz und teils reduziertem Hochton. F\u00fcr pr\u00e4zise Tests empfehlen wir Kabel.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-22c350ce e-con-full elementor-hidden-mobile e-flex e-con e-child\" data-id=\"22c350ce\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;sticky&quot;:&quot;top&quot;,&quot;sticky_parent&quot;:&quot;yes&quot;,&quot;sticky_on&quot;:[&quot;desktop&quot;,&quot;tablet&quot;,&quot;mobile&quot;],&quot;sticky_offset&quot;:0,&quot;sticky_effects_offset&quot;:0,&quot;sticky_anchor_link_offset&quot;:0}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4e2ef3d7 elementor-widget elementor-widget-heading\" data-id=\"4e2ef3d7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-heading-title elementor-size-default\">This might also interest you<\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<a class=\"elementor-element elementor-element-1c66e79a e-con-full e-flex e-con e-child\" data-id=\"1c66e79a\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\" href=\"https:\/\/soundandgo.com\/die-besten-studio-kopfhoerer-vergleich\/\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4a70c46d elementor-widget elementor-widget-image\" data-id=\"4a70c46d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/soundandgo.com\/wp-content\/uploads\/2024\/09\/The-best-studio-headphones-Studio-headphones-in-comparison-1024x576.webp\" class=\"attachment-large size-large wp-image-9563\" alt=\"The best studio headphones - Studio headphones in comparison\" srcset=\"https:\/\/soundandgo.com\/wp-content\/uploads\/2024\/09\/The-best-studio-headphones-Studio-headphones-in-comparison-1024x576.webp 1024w, https:\/\/soundandgo.com\/wp-content\/uploads\/2024\/09\/The-best-studio-headphones-Studio-headphones-in-comparison-300x169.webp 300w, https:\/\/soundandgo.com\/wp-content\/uploads\/2024\/09\/The-best-studio-headphones-Studio-headphones-in-comparison-768x432.webp 768w, https:\/\/soundandgo.com\/wp-content\/uploads\/2024\/09\/The-best-studio-headphones-Studio-headphones-in-comparison-1536x864.webp 1536w, https:\/\/soundandgo.com\/wp-content\/uploads\/2024\/09\/The-best-studio-headphones-Studio-headphones-in-comparison-600x338.webp 600w, https:\/\/soundandgo.com\/wp-content\/uploads\/2024\/09\/The-best-studio-headphones-Studio-headphones-in-comparison.webp 1920w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" title=\"\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6b9e91a1 elementor-widget elementor-widget-heading\" data-id=\"6b9e91a1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-heading-title elementor-size-default\">The best studio headphones<\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<a class=\"elementor-element elementor-element-ecb0e3f e-con-full e-flex e-con e-child\" data-id=\"ecb0e3f\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\" href=\"https:\/\/soundandgo.com\/das-beste-gaming-headset-gaming-kopfhoerer\/\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c630a4f elementor-widget elementor-widget-image\" data-id=\"c630a4f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/soundandgo.com\/wp-content\/uploads\/2025\/02\/The-best-gaming-headsets-compared-Which-gaming-headset-is-right-for-you-Or-would-you-prefer-headphones-Wireless-gaming-headset-Gaming-headphones-in-comparison-Gaming-headsets-Review-Comparison-1024x576.webp\" class=\"attachment-large size-large wp-image-13288\" alt=\"The best gaming headsets compared - Which gaming headset is right for you? Or would you prefer headphones? Wireless gaming headset - Gaming headphones in comparison Gaming headsets Review Comparison\" srcset=\"https:\/\/soundandgo.com\/wp-content\/uploads\/2025\/02\/The-best-gaming-headsets-compared-Which-gaming-headset-is-right-for-you-Or-would-you-prefer-headphones-Wireless-gaming-headset-Gaming-headphones-in-comparison-Gaming-headsets-Review-Comparison-1024x576.webp 1024w, https:\/\/soundandgo.com\/wp-content\/uploads\/2025\/02\/The-best-gaming-headsets-compared-Which-gaming-headset-is-right-for-you-Or-would-you-prefer-headphones-Wireless-gaming-headset-Gaming-headphones-in-comparison-Gaming-headsets-Review-Comparison-300x169.webp 300w, https:\/\/soundandgo.com\/wp-content\/uploads\/2025\/02\/The-best-gaming-headsets-compared-Which-gaming-headset-is-right-for-you-Or-would-you-prefer-headphones-Wireless-gaming-headset-Gaming-headphones-in-comparison-Gaming-headsets-Review-Comparison-768x432.webp 768w, https:\/\/soundandgo.com\/wp-content\/uploads\/2025\/02\/The-best-gaming-headsets-compared-Which-gaming-headset-is-right-for-you-Or-would-you-prefer-headphones-Wireless-gaming-headset-Gaming-headphones-in-comparison-Gaming-headsets-Review-Comparison-1536x864.webp 1536w, https:\/\/soundandgo.com\/wp-content\/uploads\/2025\/02\/The-best-gaming-headsets-compared-Which-gaming-headset-is-right-for-you-Or-would-you-prefer-headphones-Wireless-gaming-headset-Gaming-headphones-in-comparison-Gaming-headsets-Review-Comparison.webp 1920w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" title=\"\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d49387f elementor-widget elementor-widget-heading\" data-id=\"d49387f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-heading-title elementor-size-default\">The best gaming headsets<\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-308080a e-flex e-con-boxed e-con e-parent\" data-id=\"308080a\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c10329d elementor-widget elementor-widget-global elementor-global-11602 elementor-widget-template\" data-id=\"c10329d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"template.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-template\">\n\t\t\t\t\t<div data-elementor-type=\"container\" data-elementor-id=\"11596\" class=\"elementor elementor-11596\" data-elementor-post-type=\"elementor_library\">\n\t\t\t\t<div class=\"elementor-element elementor-element-31254b35 e-flex e-con-boxed e-con e-parent\" data-id=\"31254b35\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-33380e84 e-flex e-con-boxed e-con e-child\" data-id=\"33380e84\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-570e3785 elementor-widget elementor-widget-text-editor\" data-id=\"570e3785\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Links marked with * are affiliate links. There are no additional costs for you, some of these links are with an automatic discount for you. We mark these links for transparency and would never recommend bad products. Find out more here: <a href=\"https:\/\/soundandgo.com\/en\/our-partners\/\"><b>Our partners<\/b><\/a>.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-776583f9 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"776583f9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6b86bab7 elementor-widget elementor-widget-heading\" data-id=\"6b86bab7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-heading-title elementor-size-default\">Our Services<\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-5282592a e-flex e-con-boxed e-con e-child\" data-id=\"5282592a\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-6c3c3271 e-con-full e-flex e-con e-child\" data-id=\"6c3c3271\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-17964777 elementor-widget elementor-widget-heading\" data-id=\"17964777\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-heading-title elementor-size-default\"><a href=\"https:\/\/soundandgo.com\/en\/podcast-intro-creation-request-a-podcast-intro\/\">Podcast Intro<\/a><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-452e84 e-flex e-con-boxed e-con e-child\" data-id=\"452e84\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-670e50e2 elementor-widget elementor-widget-heading\" data-id=\"670e50e2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-heading-title elementor-size-default\"><a href=\"https:\/\/soundandgo.com\/en\/podcast-intro-creation-request-a-podcast-intro\/\">Service<\/a><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-702b69a elementor-widget elementor-widget-image\" data-id=\"702b69a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/soundandgo.com\/en\/podcast-intro-creation-request-a-podcast-intro\/\">\n\t\t\t\t\t\t\t<img decoding=\"async\" width=\"1200\" height=\"1200\" src=\"https:\/\/soundandgo.com\/wp-content\/uploads\/2025\/09\/Podcast-Intro-erstellen-create-podcast-intro-agency-podcast-intro-erstellung.webp\" class=\"attachment-full size-full wp-image-14681\" alt=\"Podcast Intro erstellen - create podcast intro agency podcast intro erstellung\" srcset=\"https:\/\/soundandgo.com\/wp-content\/uploads\/2025\/09\/Podcast-Intro-erstellen-create-podcast-intro-agency-podcast-intro-erstellung.webp 1200w, https:\/\/soundandgo.com\/wp-content\/uploads\/2025\/09\/Podcast-Intro-erstellen-create-podcast-intro-agency-podcast-intro-erstellung-300x300.webp 300w, https:\/\/soundandgo.com\/wp-content\/uploads\/2025\/09\/Podcast-Intro-erstellen-create-podcast-intro-agency-podcast-intro-erstellung-1024x1024.webp 1024w, https:\/\/soundandgo.com\/wp-content\/uploads\/2025\/09\/Podcast-Intro-erstellen-create-podcast-intro-agency-podcast-intro-erstellung-150x150.webp 150w, https:\/\/soundandgo.com\/wp-content\/uploads\/2025\/09\/Podcast-Intro-erstellen-create-podcast-intro-agency-podcast-intro-erstellung-768x768.webp 768w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" title=\"\">\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7094acf0 elementor-widget elementor-widget-heading\" data-id=\"7094acf0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-heading-title elementor-size-default\"><a href=\"https:\/\/soundandgo.com\/en\/podcast-intro-creation-request-a-podcast-intro\/\">From 149$<\/a><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a995fb7 elementor-widget elementor-widget-heading\" data-id=\"a995fb7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-heading-title elementor-size-default\"><a href=\"https:\/\/soundandgo.com\/en\/podcast-intro-creation-request-a-podcast-intro\/\">VAT depends on the request<\/a><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d906945 elementor-align-center elementor-widget elementor-widget-button\" data-id=\"d906945\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-md\" href=\"https:\/\/soundandgo.com\/en\/podcast-intro-creation-request-a-podcast-intro\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Book now<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-5f5ef12f e-con-full e-flex e-con e-child\" data-id=\"5f5ef12f\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6afa204c elementor-widget elementor-widget-heading\" data-id=\"6afa204c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-heading-title elementor-size-default\"><a href=\"http:\/\/soundandgo.com\/en\/have-a-podcast-edited-we-edit-your-podcasts\/\">Podcast Editing<\/a><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-4c91b874 e-flex e-con-boxed e-con e-child\" data-id=\"4c91b874\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-22394ba7 elementor-widget elementor-widget-heading\" data-id=\"22394ba7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-heading-title elementor-size-default\"><a href=\"http:\/\/soundandgo.com\/en\/have-a-podcast-edited-we-edit-your-podcasts\/\">Service<\/a><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1d6d074e elementor-widget elementor-widget-image\" data-id=\"1d6d074e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"http:\/\/soundandgo.com\/en\/have-a-podcast-edited-we-edit-your-podcasts\/\">\n\t\t\t\t\t\t\t<img decoding=\"async\" src=\"https:\/\/soundandgo.com\/wp-content\/uploads\/2023\/06\/Podcast-schneiden-lassen-Podcast-Schnitt.webp\" title=\"\" alt=\"Podcast schneiden lassen Podcast Schnitt sound and go soundandgo\" loading=\"lazy\">\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-63c3e39b elementor-widget elementor-widget-heading\" data-id=\"63c3e39b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-heading-title elementor-size-default\"><a href=\"http:\/\/soundandgo.com\/en\/have-a-podcast-edited-we-edit-your-podcasts\/\">From 95$<\/a><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2a6e24b2 elementor-widget elementor-widget-heading\" data-id=\"2a6e24b2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-heading-title elementor-size-default\"><a href=\"http:\/\/soundandgo.com\/en\/have-a-podcast-edited-we-edit-your-podcasts\/\">VAT depends on the request<\/a><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-24e7337c elementor-align-center elementor-widget elementor-widget-button\" data-id=\"24e7337c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-md\" href=\"http:\/\/soundandgo.com\/en\/have-a-podcast-edited-we-edit-your-podcasts\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Book now<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Home &#8211; Code Snippets Headphone test &#8211; Left, right, frequencies, and more with our headphone test 100% locally in browser No uploads No ads Volume 20% 0%100% Stop Ready Check channels Left Right Stereo Pan Center LeftRight Start tone Stop tone Frequency 440 Hz 10 Hz30 kHz Frequency in Hz Waveform SineSquareTriangleSawtooth Sweep Start in 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