Complete helmet wiring kit. IMSA style plug. Mono 1/8" headphone jack. This is our own patented microphone.  It utilizes RTM technology that diffuses the ambient sound waves away from the microphone element and cancels out up to 95% of background noise.  This microphone delivers superior performance over any other microphone available.
PLEASE CALL 386-760-7110 for support if you have any questions and one of our friendly technicians on staff can answer any and all questions you may have.