Free online audio testing tools. Test headphones, speakers & microphone instantly. Stereo, frequency, bass & mic tests in your browser.

Want to check if you can hear stereo (two different audio channels, one coming from the left speaker and one from the right)? Use this sound test to quickly find out, without leaving the browser.

Professional audio testing tool - test microphone, speakers, headphones online. Real-time audio analysis, noise detection, frequency response testing. Free browser-based audio diagnostics.

Our sound test tool allows you to easily check the functionality and quality of your stereo speakers.

With this all-in-one test, you can easily verify the performance of your setup and ensure proper channel separation and balance.

Tests your audio equipment, speakers, room acoustics and hearing. Audio signals and test tones playable online. High resolution sound test files available for free download.

Easily check your audio output and speakers. Test left and right channels, adjust volume, and visualize sound waves online.

Test your audio output devices with multiple frequencies and channels. Check speaker balance, frequency response, and device capabilities with our comprehensive sound test tool.

Free online speaker test tool to verify left/right channels, play test tones, run a frequency sweep, and play your own audio files. Includes real-time visualizer and downloadable test sounds.

Free browser-based audio tester. Check stereo balance, run frequency sweeps, and test microphone input. No installation—verify your audio devices instantly.