The M-7/DC Electret Microphone is a noise canceling type designed to operate in place of carbon and amplified dynamic microphones.
The microphone provides clear, crisp voice transmission while dramatically reducing omni-directional ambient noise. It will not operate in circuits that do not supply a DC bias voltage. Most modern aviation communications equipment do supply this required voltage. If unsure, consult with your radio technical manual or with your local avionics shop. It is intended for use with wire booms.
This is the microphone only, if you require the wire and mounting kit you should purchase the retrofit kit instead.
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