Bose A20 Aviation Headset Civilian Microphone

Bose A20 aviation headset microphone. This is a high impedance electret microphone for civilian aircraft. An optional housing kit is available that includes the microphone enclosure, mounting hardware, and screws for a complete repair solution. Bose OEM A20 boom mic made by Bose®. Part# 317831-0030.  Features: Civilian Use: Bose A20 electret microphone engineered for optimal performance in civilian aviation environments. Effortless Replacement: Designed for a straightforward, installation to minimize downtime. See instructions on our blog.  Optional Housing Kit: Optional microphone housing kit available. Kit includes microphone, microphone mounting enclosure, hardware and screws for a comprehensive repair solution.