Can this test Bluetooth headphones?

Yes. Set your Bluetooth headphones as the default audio output device and they will receive the test tones.

How do I know if my speakers are passing the frequency test?

You should hear a continuous tone sweep from very low rumble to high hiss. Gaps in the sweep indicate frequency response limitations of your speakers.

Yes. No account, no software required.

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How to Test Your Speakers Online Free — Check Left/Right Channels and Frequency Range

Sunil Kalikayi4/7/20265 min read

What the Speaker Test Checks

The FreeAudioKit Speaker Test generates test tones for the left channel, right channel, both channels together, bass frequency (60Hz), treble frequency (8kHz), and a full frequency sweep from 20Hz to 20kHz.

How to Run a Speaker Test

Open Speaker Test and click each test button. For the left/right channel tests, confirm that sound comes from the correct side. For the frequency tests, note any frequencies where the output is weak or absent.

Common Speaker Issues Identified by Testing

Channel swap (left plays right): common with incorrectly wired audio interfaces. Missing treble: common with phone speakers and small laptop speakers. Missing bass: common with headphones lacking bass response. No sound on one channel: cable or driver issue.