Product Description: The 3M™ PELTOR™ Aviation headset for winged aircraft has an ambient-noise compensated dynamic differential microphone, especially designed for aviation intercom systems. Details For standard impedance general aviation use The microphone amplifier can be adjusted for output signals in the range of 300-600 mV The frequency range is adjusted for good speech recognition Straight polyurethane cable with moulded connectors has a stereo/mono switch in the branching box Earphones have a 1/4″ stereo connector and the microphone has a PJ068 connector
