Speaker Test

Check left/right channels, test your audible frequency range and verify channel direction.

Volume50%

Test frequency632 Hz

20 Hz20 kHz

4 rounds, switching every 0.5s. Check whether what you hear matches the screen.

Headphones recommended: left/right difference is clearest without speaker placement confusing you.
Keep volume moderate; prolonged loud playback can damage hearing.
Frequency check: hold and sweep low to high — the range you can no longer hear is your hearing limit.

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