Headphone speaker : diameter 30mm Cobalt Magnet Impedance : 32 Ohm +/- 10% Sensitivity : 110 dB +/- 3dB at 1 KHz Frequency Response : 20-20,000 Hz Maximum Power Handling : 100 mW Microphone Direction : Omni-directional Impedance : Low Sensitivity : -58 dB +/- 3dB Frequency Response : 30-16,000 Hz Standard Operating voltage : 3V Type: Dia 6mm Dia Electret Microphone
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