The industry standard for over 70 years. The 636L is a noise canceling dynamic microphone that was designed for close talking handheld applications in CB, Amateur Radio and SSB communications.
The Astatic 636L mic is used in situations where there are high background noise levels, such as trucks. Our commercial version of this mic is used in public service agencies, such as fire departments all over the United States. The 636L noise-cancelling CB radio microphone has a rugged housing, polyurethane coated steel grille screen and a dependable low impedance dynamic element.