🔧 Runs in the browser. Nothing to install, nothing uploaded.
🔈
LEFT🔊
RIGHTUse the buttons below to sound one side at a time. Volume starts at 30%.
Frequency440Hz
Volume30%
Do not listen to high frequencies loudly for long. It is not good for your hearing.
Check these yourself and tick them off
What this test checks
- Left and right channels separately
- Stereo balance
- Playback across frequency bands
- Volume control
Other device tests
Results depend on your browser and drivers. If something looks wrong here, try the same test in another browser before assuming the hardware is at fault.