Ready when you are
Local onlySet a comfortable volume, then play a test tone.
LEFT♪
RIGHT♪
Device check
Speaker Test
Play a clear test tone through both speakers, or check the left and right channels separately.
✓ Instant result✓ No sign-up✓ Runs in your browser
01
How to use this test
- Lower your volume to a comfortable level.
- Play the left, right or both-channel tone.
- Confirm the sound comes from the expected side.
02
If something looks wrong
- Check that your headphones or speakers are firmly connected.
- Confirm the correct output device is selected.
- Try another browser tab or app to rule out a system-wide issue.
Quick answers
Good to know.
Is the test tone safe?+
The tone starts and ends gently. Keep your device volume at a comfortable level, especially with headphones.
Why are left and right reversed?+
Your headphones may be worn backwards or the speaker cables or system channel mapping may be reversed.