Online headphone test
Check left and right channels, audio frequency ranges and your headset microphone.
Start testWhat can you check?
Use the headphone test to make sure the left and right channels are correct, compare low, mid and high frequencies, and listen for dropouts or unstable playback.
The browser cannot decide whether a tone sounds right to you, so this is a listening test. Start at a comfortable volume and compare both sides carefully.
How to test your headphones
- Set the volume to a comfortable level before playing any test tone.
- Play the left and right channel tests and make sure the sound comes from the expected side.
- Try the low, mid and high frequency tests. Listen for a channel that is missing, much quieter or noticeably distorted.
- Run the stability test and listen for crackling, brief dropouts or a connection that cuts in and out.
How to read the result
Both channels should sound balanced and the test tones should play without obvious distortion or interruptions. Very small differences can come from the recording chain, your hearing or the fit of the headphones, so repeat anything that seems unusual.
If one side sounds wrong
- Check the plug, USB receiver or Bluetooth connection and reconnect the headphones.
- Check the left/right balance in your operating system and make sure the correct output device is selected.
- If possible, try the headphones on another device. That quickly tells you whether the problem follows the headphones.
Privacy
The headphone test only plays audio from the page. It does not record what you hear or require an account.
Frequently asked questions
How do I check left and right audio channels?
Play the left-channel and right-channel tests separately. Each sound should come only from the side shown on screen.
What if one side is quieter?
Check the system balance setting, reconnect the headphones and repeat the test. If the same side stays quieter on another device, the headphones or cable may be the cause.
Can this test automatically detect bad sound quality?
No. The page can play controlled test tones, but you judge what you hear. Distortion, imbalance and dropouts need to be confirmed by listening.
Do I need to install anything?
No. The test plays directly in a modern browser.
Does ACC64 record the headphone test?
No. The headphone test plays audio only and does not record your listening session.