Left Right Speaker Test

Play left and right channel tones separately.

No accountRuns in your browserRetest 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.

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 channel
Right channel
Channel orientation

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.