audio test
Left Right Channel Balance Test
Use this before changing balance settings or assuming one speaker/headphone side is dead.
No accountLocal where possibleRetest anytime
Audio output check
Use a comfortable volume. Test tones are generated locally in your browser.
Now playingIdle
Tone440 Hz
DeviceOK can verify that browser audio reaches your selected system output path, but browsers do not reliably expose every physical speaker/headphone identity.
Private by design
Audio is generated locally.
Use the result as evidence, not a guess.
This test checks
- Left output
- Right output
- Perceived channel balance
How to read it
Perceived differences can come from hardware, balance settings, fit, room acoustics or hearing asymmetry.
The browser does not measure acoustic sound pressure from your speakers.