🔊 Speaker Test
Check left/right balance, test tones, frequency sweep — diagnose your speakers in seconds
Adjust volume
Set your phone/media volume to a comfortable listening level (around 70%).
Check channel balance
Click "Test Left" / "Test Right" – you should hear sound from each speaker individually. Adjust sliders if needed.
Test frequency tones
Tap any tone button (e.g., 440 Hz) – listen for distortions, rattling or volume drops.
Run frequency sweep
Click "Run Frequency Sweep" to detect buzzing or dead frequency ranges.
Compare both channels
Use "Test Both (Stereo)" to verify left/right separation and phase issues.
Check that your phone volume is not muted, bluetooth devices are disconnected, and the page has permission to play audio. Most browsers require user interaction first — click any test button to enable audio.
Clear tones without crackling, consistent volume across frequencies, and balanced left/right channel separation. Distortion or buzzing at certain frequencies suggests speaker damage.
Use the balance sliders to test relative gain. If hardware imbalance is severe, consider cleaning speaker grills or service. This test helps confirm if it's a software setting or hardware.
Yes, the sweep covers a wide range but volume stays within safe limits. Keep volume moderate. Sweep helps identify resonance issues and dead spots.
Absolutely. The test plays through your default audio output. For accurate channel test, make sure your Bluetooth device supports stereo separation.