Speaker Test β test sound quality, left and right speakers, channel balance, and distortion online. This free audio sound test includes tones, voice prompts, sweeps, and real-time waveform visualization.
Test left and right speakers for clear sound, channel balance, distortion, and wiring issues.
No microphone access needed β all audio is generated locally.
Keyboard: L/R/B = channels, 1/2/3 = modes, Esc = stop
This is a free stereo channel test tool. Test your left/right speakers, headphones, or soundbar. Uses the Web Audio API β works offline as a PWA. All audio is generated locally in your browser.
Verify your new speakers work correctly out of the box. Test each driver independently before finalizing placement and running room calibration.
Diagnose which speaker is causing problems β is it the left or right? The woofer or tweeter? Narrow down issues before replacing hardware.
Ensure your studio monitors are perfectly matched in volume and tone. Even small channel imbalances can ruin a mix.
Test each speaker in your surround setup individually. Verify all channels are connected, phased correctly, and producing clean sound.
Check each door speaker and tweeter in your car audio system. Find rattles and distortion before they become permanent damage.
Quick check if your device speakers are functioning properly. Compare left and right channels on phones and tablets.