David 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.

Before installation, ensure your system supports electret microphones. If you're unsure, consult your aircraft’s radio manual or speak with a qualified avionics technician.

Key Features

• Electret Mic Element: Replaces carbon and amplified dynamic microphones.
• Noise-Cancelling Performance: Reduces background cockpit noise for improved clarity.
• Clear, Crisp Audio: Optimized for accurate voice transmission in flight.
• Requires DC Bias Voltage: Compatible with most modern aviation radios (not suitable for older systems without bias power).
• OEM Quality: Manufactured by David Clark for reliable fit and function.

Specifications

• Part Number: 09168P-66
• Model: M-55
• Type: Electret, noise-cancelling
• Voltage Requirement: Requires DC bias voltage
• Application: Modern aviation headsets and radios
• Brand: David Clark

Ideal For

Perfect for pilots, avionics installers, and technicians updating or replacing microphones in aviation headsets compatible with DC-powered electret mics.