Left and Right Headphone Test
Check each ear, compare both channels and adjust balance to investigate uneven headphone sound.
How to use this audio tool
- Select the output you want to test in your device settings. Start at a comfortable volume.
- Choose a setting and play a short test. Pause or Stop whenever you need.
- Record what you noticed below to get a useful next step.
- 1
Prepare
Choose the right audio output. Start at a comfortable volume.
- 2
Test
Choose a setting and play a short test.
- 3
Compare
Listen again at the same volume and compare.
Headphone test
Start quietly and put the headphones on the correct ears.
Cannot hear the test sound?
- Check the device media volume and whether this browser tab is muted.
- Make sure sound is routed to the intended speaker or headphones. Bluetooth can send it elsewhere.
- Stop, then tap Play again. Try another current browser if playback is still blocked.
The tool volume slider changes this test only. It cannot change system volume or select a physical top or bottom phone speaker.
What did your speakers sound like?
Choose your listening impression after checking both sides.
Your test summary is ready
Save the text file to keep your settings and listening notes. It does not contain microphone audio.
Download summary (.txt)Read your summary
What the headphone test checks
For wet earbuds, use the earbud water eject sound with the earbuds out of your ears. If the problem is your phone’s built-in speaker, use the phone speaker cleaner instead.
LEFT / RIGHT
Left and right headphones
Confirm that each headphone or earbud side plays from the correct channel.
STEREO
Headphone sound balance
Compare both sides at the same volume to spot an obvious imbalance.
LISTEN FOR
Buzzing or unclear headphone sound
Listen for crackling, buzzing, weak bass, or audio cutting out.
When to test your headphones
Use a headphone test after pairing new earbuds, changing balance settings, replacing a cable, or when one side suddenly sounds quieter.
Tips for a clear result
- Start at a comfortable volume.
- Turn off mono audio for stereo testing.
- Choose the correct output.
- Test wired and Bluetooth separately if needed.
- Do not raise volume to hide a weak side.
What your headphone test result means
One headphone is silent?
Check balance, mono audio, cable seating, Bluetooth routing, and the connector first.
Crackling or sound cutting out?
Try another connection or lower volume. Persistent noise can point to cable, wireless, debris, or driver issues.
Headphones and earbuds you can test
Wired Headphones
Test 3.5 mm, USB, or adapter-connected headphones.
Bluetooth Headphones
Check left and right audio after pairing.
Wireless Earbuds
Compare both earbuds and confirm stereo routing.
Headphone test questions
Can I test Bluetooth headphones online?
Yes. Pair them first and make sure they are the active output.
Why is one side quieter?
Balance settings, debris, fit, cable problems, Bluetooth issues, or driver damage can all cause a difference.
Why are left and right headphones swapped?
Check orientation, cable routing, device settings, and how the headset is being worn.
Can this test fix broken headphones?
No. It identifies channel and clarity problems but cannot repair hardware.

