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3-Wire Earpiece with Acoustic Tube, Microphone and Dual PTT (Beige)

3-wire earpiece with detachable acoustic tube, four programmable key controller, dual PTT and microphone for covert communication (Beige)

Technical Specifications

Microphone sensitivity -42dB ±3dB @1KHz
Impedance 2.2KΩ
Speaker sensitivity 116dB ±3dB @1KHz
Impedance 90Ω ±15% / 220Ω ±20% @1KHz
Rated power 10mW
Maximum power 30mW
Operating temperature -20°C to +60°C

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