David Clark M-55 Electret Microphone – Noise-Cancelling Mic for Aviation Radios with DC Bias (09168P-66) ANR headset This fast-evaporating formula effectively removes

This fast-evaporating formula effectively removes oil

Tested to ANSI/UL 711 and UL 1093

1972 and went to sea for the first time in operational deployment on Sept

Requires little operator training

David Clark M-55 Electret Microphone – Noise-Cancelling Mic for Aviation Radios with DC Bias (09168P-66) ANR headset This fast-evaporating formula effectively removesDavid 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.