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Speaker Left/Right (L/R) Test

스피커 테스트 · 좌우 소리 · speaker test · left right audio · stereo test

Speaker Left/Right (L/R) Test

Play sound on the left, right, or both channels to verify them.

Put on your earphones or headphones. If sound comes from the side you pressed, it's working.

How to use

  1. 1

    Put on your earphones or headphones.

  2. 2

    Press the Left, Right, or Both button.

  3. 3

    Check that sound comes from the side you pressed.

FAQ

Is this tool free?

Yes — it is completely free to use, with no account or sign-up required.

What is this tool?

Plays sound on the left, right, or both channels so you can verify your speakers or earphones output correctly. Quickly check whether your earphones are swapped left-to-right or whether one side is silent. The sound is generated in your browser (a 440Hz sine wave), free with no install.