Test left/right channels, surround sound and audio frequencies
This tool helps you test your speaker's left/right channels, surround sound system, and audio playback at different frequencies. Make sure the volume is at a moderate level to avoid hearing damage.
Note: Surround sound testing requires a 5.1 channel speaker system. On regular stereo systems, some channels may sound identical.
Adjust the volume to a comfortable level, be mindful of hearing protection
Click the left/right channel buttons to confirm sound comes from the correct speaker
Test different frequencies to check speaker performance across various frequency ranges
If you have a 5.1 surround sound system, test that all channels are working properly
Quick browser-based visual diagnostics
Simple controls for repeatable screen checks
Helpful for troubleshooting monitors and displays
No installation required before testing
Use Speaker Test to test left/right channels, surround sound and audio frequencies.
Use it when you want a fast visual check before calibration, troubleshooting, or buying a new display.
Open the test in a stable viewing environment and compare multiple patterns or levels for more reliable results.