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Water Eject Frequency Calibration (165 Hz)
Learn why 165 Hz is the exact frequency used for water ejection. Test different frequencies online to clear trapped moisture from speakers.
Start audio tests at low volume; stop for distortion. Tones cannot guarantee removal of water or repair internal damage. Do not charge a wet device.
A smartphone speaker chamber behaves as an acoustic cavity. At 165 Hz, the speaker voice coil moves with sufficient velocity to generate air pressure pulses exceeding the capillary retention force holding water in micro-mesh pores.