Online Sound Test
Test left and right channels, play pink noise or run a stereo sweep to check your audio output.
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.
Sound test
Choose a channel or run a left-to-right sweep.
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 this sound test checks
If your phone sounds muffled after a splash, try the speaker cleaner and water eject sound. Then repeat this sound test at the same volume to compare.
LEFT / RIGHT
Left and right audio
Play sound on one side at a time to confirm the correct speaker, earbud, or headphone driver is working.
STEREO BALANCE
Sound balance
Compare both sides at the same volume. A clear difference can point to balance settings, a loose connection, blockage, or a weak driver.
LISTEN FOR
Buzzing or unclear sound
Listen for crackling, buzzing, weak volume, or sound cutting out. These clues help separate settings issues from possible hardware problems.
When to test your sound
Use a sound test when audio feels uneven, one side is quieter, a new headset does not sound right, or you want to check the result after changing audio settings.
Common sound problems
- One speaker or earbud sounds quieter.
- Left and right channels seem reversed.
- Bluetooth is playing from the wrong device.
- Sound crackles or cuts out.
Tips for a clear result
- Start at a comfortable volume.
- Use the same device for each comparison.
- Turn off extra Bluetooth outputs.
- Test left, right, then both channels.
What your sound test result means
No sound on one side?
Check the cable, Bluetooth output, stereo balance, and mono settings first. If those are correct, the driver may need further troubleshooting.
Buzzing or crackling sound?
Distortion can come from debris, moisture, a damaged driver, a loose connection, or volume that is too high. Test again at a lower volume first.
Test phones, headphones and computers
Phones & Tablets
iPhone, Android, iPad, and tablets.
Headphones & Earbuds
Wired and Bluetooth left/right audio.
Laptop & Desktop
Built-in or connected stereo speakers.
Sound test questions
What does a left and right sound test check?
It checks whether each stereo channel reaches the correct speaker or headphone side and can reveal a silent channel, reversed sides, or an obvious balance problem.
Can I test Bluetooth headphones?
Yes. Connect the headphones first and make sure they are the active audio output before starting the test.
Why is one side quieter?
Possible causes include balance settings, a loose cable, dirt or moisture, Bluetooth routing, a weak driver, or hearing differences between your ears.
Does this test repair speakers?
No. A sound test helps identify a problem. It does not repair damaged speakers or headphone drivers.

