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Surround Sound Test
Test 5.1/7.1 speaker channels
A browser tab can only address a stereo (2-channel) output — it has no way to reach individual 5.1/7.1 speaker channels directly, since that requires OS- or driver-level multichannel audio routing. Each button below approximates a speaker position by panning a tone left/right/center (and using a low tone for the subwoofer), so you can still confirm your stereo image and general channel layout.