Audio
Interactive · Runs in this browser
Use the Web Audio API to generate an auto-stopping test tone locally. Select left, right, or both channels, adjust frequency and a safety-limited output level, and confirm that the expected speaker produces clean sound.
Speaker test
Play a local stereo tone to check the left and right speaker channels. No audio leaves this device.
Start with a low device volume. Remove headphones before testing loud speakers, and stop immediately if the tone is uncomfortable.
Channel
Left + right
Tone
440 Hz
Auto-stop
3 s
Ready. The test tone will stop automatically after three seconds.
Transparent method
This tool reports only interactions and browser APIs it can observe. It does not infer hidden hardware specifications or turn unsupported access into made-up results.
Useful context
Start with the device volume low and raise it gradually. Sudden loud tones can be uncomfortable and may damage hearing or equipment.
No. Browsers cannot read acoustic loudness in decibels without a calibrated microphone and environment; this tool confirms audible channel output.
Troubleshooting
Keep checking