Everyday tool
Speaker and Channel Tester
Set a low volume first, then play the left and right channel tests.
Runs in your browser. No upload.
Values are processed locally in this browser.
About this tool
Speaker and Channel Tester made simple.
Browser routing and device settings can affect the result. This is a basic playback check, not a calibrated audio measurement.
Common questions
About Speaker and Channel Tester.
How do I use Speaker tester?
Set a low volume first, then play the left and right channel tests.
Is my data uploaded to a server?
No. This tool runs locally in your browser. Your input is not uploaded.