dynamic noise canceling flexible boom microphone with 150 ohms M303

item number:  M303 with boom 

This is dynamic noise canceling microphone with 150 ohms 

special designed for EXTREME HIGH NOISE ENVIRONMENTS for car racing,radios comms 
designed to replaceable of car racing headset microphones
-Provides clear,crisp voice transmission

Not suit for General Aviation as no amplified 

dynamic noise canceling flexible boom microphone with 150 ohms M303

MINI NOISE CANCELLING MICROPHONE

Miniature dynamic noise canceling flexible boom microphone

150ohm flex boom mic with excellent noise attenuation properties

Clear communication in extreme noise environments

Free with super high density sponge with O ring

Important note: This with flexible mic boom 

dynamic noise canceling flexible boom microphone with 150 ohms M303