Left & Right Audio Check

Headphone Test

Run a headphone test online in your browser. Check left and right audio, stereo balance, volume, headphone output, and common sound problems before calls, gaming, meetings, recordings, or online classes.

Run Speaker Test
  • Test both headphone sides with a browser-based sound.
  • Check left and right channels separately.
  • No microphone permission is needed for this headphone output test.

Check your headphones

Start with low volume. Test both sides, then left and right headphone channels separately.

Ready
Headphone output test Waiting
L
Left Headphone Left channel test
R
Right Headphone Right channel test
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Click a test button. If you cannot hear sound, check device volume, browser tab audio, headphone cable, Bluetooth, or selected output device.

Important: this headphone test checks audio output. It does not test your microphone input. To test mic input, use the microphone test page.

Headphone Test Steps

How to test your headphones online

An online headphone test helps you confirm whether sound is playing through both sides of your headphones, whether left and right channels are correct, and whether your output volume is comfortable.

Short answer

To test your headphones online, connect your headphones, keep volume low, play the test sound, then check both sides, left side, and right side separately.

Connect your headphones

Plug in wired headphones or connect your Bluetooth headphones before starting the test. Make sure your system is using the correct audio output device.

Start with low volume

Keep your device volume low or medium before playing the test sound. Headphone audio can feel louder than speaker audio, especially with in-ear headphones.

Test both headphone sides

Play the both-side test first. If your headphones are working, you should hear the tone through both left and right sides.

Check left and right channels

Use the left-side and right-side buttons to confirm that the left sound comes from the left ear and the right sound comes from the right ear.

Fix output issues if needed

If one side is silent, channels are reversed, or sound plays from speakers instead, check audio balance, cable connection, Bluetooth output, and system sound settings.

Important: this headphone test checks audio output only. It does not test your headphone mic. To check mic input, use the microphone test online page.

Stereo Headphone Check

Left headphone vs right headphone test

A left and right headphone test helps you confirm whether stereo sound is routed correctly. This is useful for wired headphones, Bluetooth headphones, gaming headsets, earbuds, and laptop audio output.

L

Left headphone test

When you play the left-side test, the sound should come mainly from your left ear. If it comes from the right side, your channels may be reversed.

R

Right headphone test

When you play the right-side test, the sound should come mainly from your right ear. If it is silent, check balance, cable, or Bluetooth connection.

LR

Both sides test

The both-side test should play through both headphone sides. Use this first to confirm that your headphones are receiving audio.

Channels reversed

If left audio comes from the right ear or right audio comes from the left ear, check headphone orientation, audio cable, adapter, or sound settings.

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One side is not working

One-sided headphone audio can happen because of audio balance settings, loose cable, damaged jack, Bluetooth issue, or damaged headphone driver.

Wrong output device

If sound plays through speakers instead of headphones, your system may be using the wrong output device. Select your headphones in sound settings.

Good headphone result

Left audio plays from the left side, right audio plays from the right side, both sides play clearly, and volume feels balanced.

Bad headphone result

If one side is silent, channels are reversed, or sound plays from speakers instead, check output device, headphone cable, Bluetooth connection, balance settings, and headphone orientation. You can also compare it with the speaker test online.

Headphone Troubleshooting

Common headphone sound problems

If your headphone test does not sound right, the issue is usually wrong output device, low volume, muted browser tab, loose cable, Bluetooth connection, audio balance settings, or damaged headphone hardware.

1

No sound in headphones

Check device volume, browser tab mute status, selected output device, headphone cable, Bluetooth connection, and whether sound is playing through speakers instead.

2

Sound plays from speakers instead

Your system may not be using your headphones as the active output device. Open sound settings and select your wired, Bluetooth, USB, or headset output.

3

Only one headphone side works

One-sided audio can happen because of balance settings, loose jack, damaged cable, Bluetooth issue, dirty connector, or damaged headphone driver.

4

Left and right are reversed

Reversed channels may happen because headphones are worn the wrong way, cable routing is swapped, adapter wiring is incorrect, or software balance settings are wrong.

5

Audio is too low

Increase system volume, browser volume, app volume, and headphone device volume. Some Bluetooth headphones have separate volume controls.

6

Audio sounds distorted

Distortion can come from high volume, damaged drivers, unstable Bluetooth, poor cable connection, or overloaded headphone output.

Fix headphone issues in the right order.

Do not assume your headphones are damaged first. Check simple output settings and connection issues before replacing hardware.

  • Step 1: increase volume and unmute the browser tab.
  • Step 2: select headphones as the output device.
  • Step 3: test both sides, then left and right separately.
  • Step 4: check cable, Bluetooth, balance, adapter, or headset hardware.

Headphones vs Speakers

Headphone test vs speaker test: what is the difference?

A headphone test checks audio output through headphones, earbuds, or a headset. A speaker test checks sound from laptop speakers, monitor speakers, external speakers, or other output devices.

Short answer

Use a headphone test when you want to check left and right headphone audio. Use a speaker test when you want to check sound from speakers or general audio output.

Headphone Test Private audio output

This test is best for checking wired headphones, Bluetooth headphones, earbuds, gaming headsets, stereo balance, one-side audio, and left-right channel direction.

Speaker Test Online Device audio output

This test is best for checking laptop speakers, external speakers, monitor audio, stereo channels, browser playback, and general sound output problems.

Best workflow: if sound does not play through headphones, first check whether sound plays through speakers. If speakers work but headphones do not, the issue is likely headphone connection, output selection, Bluetooth, cable, or headphone hardware.

Headphone Test FAQs

Headphone test FAQs

Quick answers about testing headphones online, checking left and right audio, fixing one-sided sound, and understanding headphone output problems.

How do I test my headphones online?

Connect your headphones, keep volume low, then play the headphone test sound. Test both sides first, then test the left and right channels separately.

Why can’t I hear sound in my headphones?

Check device volume, browser tab mute setting, selected output device, headphone cable, Bluetooth connection, and whether sound is playing through speakers instead of headphones.

Does a headphone test need microphone permission?

No. A headphone test checks audio output, so it does not need microphone permission. If you want to test your headphone mic, use the microphone test online page.

How do I test left and right headphones?

Use the left-side and right-side test buttons. The left test should play mainly in your left ear, and the right test should play mainly in your right ear.

Why is only one headphone side working?

One-sided headphone audio can happen because of audio balance settings, loose cable, damaged jack, Bluetooth issue, dirty connector, or damaged headphone hardware.

Why are my left and right headphone channels reversed?

Reversed channels may happen because headphones are worn the wrong way, cable routing is swapped, adapter wiring is incorrect, or software sound settings are reversed.

Can I use this test for earbuds or Bluetooth headphones?

Yes. You can use this headphone test for wired headphones, Bluetooth headphones, earbuds, gaming headsets, and most audio output devices that behave like headphones.

What should I do if headphone audio sounds distorted?

Lower the volume, reconnect your headphones, test another output device, and check for cable or Bluetooth issues. Distortion can come from high volume, damaged drivers, unstable Bluetooth, or poor connection.

Need to test speakers or microphone too?

Headphone testing checks what you hear privately. Use speaker and microphone tools if you also need to test device output and voice input.

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