David Clark M-7/DC Microphone for General Aviation Helmets and Head Sets. Fits all of David Clark Electret WIRE Boom Style Headsets.
This is a capacitor type microphone designed for use on a headband type headset or in use in a pressure type oxygen mask. The microphone is waterproof and is intended to provide audio communications under high noise conditions found in military, civilian and general aviation aircraft.
This microphone is uniquely redesigned to withstand rain and other enviromental water issues. Not suggested to be submerged underwater for more then 5 seconds.
Field replaceable and can substiute David Clark Mic M-7/DC and M4.
Noise Cancelling up to 25 dB