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Improved formulation
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Made from durable
AeroShell Oil W100 Plus is the only single grade oil blended with this antiwear additive technology
and refurbishment applications
David Clark M-55 Electret Microphone – Noise-Cancelling Mic for Aviation Radios with DC Bias (09168P-66) ICOM A21 Improved formulationDavid 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.
