David Clark M-55 Electret Microphone – Noise-Cancelling Mic for Aviation Radios with DC Bias (09168P-66) ICOM A21 David Clark 40608G-04 Single-Ear KC-10

David Clark 40608G-04 Single-Ear KC-10 Aircraft Headset with M-7A Mic

Typical Use: General aviation fixed-wing aircraft

better control and no crossing of handles

AeroShell Oil W100 Plus is the only single grade oil blended with this antiwear additive technology

Discharge Rate 100C Continual / 200C Burst

David Clark M-55 Electret Microphone – Noise-Cancelling Mic for Aviation Radios with DC Bias (09168P-66) ICOM A21 David Clark 40608G-04 Single-Ear KC-10David Clark M 55 Electret Microphone Noise Cancelling Mic for Modern Aviation Radios (09168P 66) Overview The David Clark M 55 Electret Microphone (09168P 66) is a noise cancelling electret microphone designed to replace traditional carbon and amplified dynamic mics in aviation headsets. Engineered to deliver crisp, clear voice transmission, the M 55 is ideal for use with modern aviation communication systems that supply the required DC bias voltage.