Bose A20 Aviation Headset High Impedance Electret Microphone. Designed for all Bluetooth and non-Bluetooth A20 models. Includes full bracket and screws. Add the electret microphone foam windscreen. OEM A20 parts are made by Bose®. Part# 317831-0030.
This microphone is for the Bose A20. The Bose X microphone can be found [HERE].
Extremely easy to install. See instructions on our blog.