Helicopter Headset

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Function: �� Aviation headset for helicopters or airplanes.�Features�� High-attenuating cups.�� Volume control on the side.�� Mike arm with MT51 microphone -� - 70-10000 Hz frequency� - Output signal / sensitivity 380 mV/220W� - Connection impedance 150 - 1000W� - Feed voltage 7-15V� - Power consumption 20mA at 9V� - Noise attenuation 28dB at 1 kHz.�� Extra wide headband for comfort.�Composition: Matt black polyamide.