Speaker and Headphone Test.
Play tones through the left speaker, the right speaker and both, and run a frequency sweep to check your speakers or headphones. Free, no sign-up.
Tone tests
Turn the volume down first, then raise it to a comfortable level. Tones play for a few seconds each.
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What is a speaker test?
A speaker test plays steady tones through the left, right and both channels, plus a frequency sweep. It helps you check that each speaker or earcup works, that stereo sounds separated, and that nothing rattles at certain frequencies.
See also the device testers, including Microphone Tester and Touchscreen Tester.
What to listen for
- Left channel should come from the left speaker or left earcup only. Right channel should come from the right only.
- If both channels sound the same, or you hear only one side, check the cable, the Bluetooth device or the sound output settings.
- Listen for rattling or buzzing during the sweep. That often points to a loose part or a damaged speaker.
Phone and laptop speakers can't reproduce very low or very high tones, so the sweep will sound quieter or silent at the ends. This is a quick check, not a sound quality measurement.
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Questions.
Why can't I hear the highest tones in the sweep?
Most adults stop hearing above about 15 to 17 kHz, and small speakers can't reproduce the very high or very low ends. The sweep is a check of your equipment, not a hearing test.
Why do the left and right tests sound the same?
Some devices play mono sound, so both sides sound alike. Stereo separation needs a stereo source and a stereo output, such as stereo headphones or a stereo speaker pair.
What volume should I use?
Start low and raise the volume slowly. Use headphones at a low level, because loud tones can hurt your hearing, and the sweep can be sharp at high volume.
Does this work with Bluetooth speakers and headphones?
Yes. The tones play through whichever output your device uses. Check that the right Bluetooth device is selected in your sound settings.
Can this test my headset microphone?
No. Use the microphone tester for that. It shows the live input level from the microphone you choose.
Your privacy
These tests run in your browser. Your microphone and camera are used only while a test is running, and nothing you do is sent to our servers. We do not ask for your name, email or any account details. Read the website privacy policy for details.