Headphone Test
Run stereo channel and tone checks for headphones.
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.
What happened?Choose the result you observed.
Privacy: Test input is processed in your browser where possible.
What this test tells you
This test checks
- Left/right
- Stereo output
- Tone playback
How to read the result
A passing browser test confirms that the browser can observe this input/output path.
A failing test narrows the issue but does not by itself prove physical hardware failure.