The compact PMC-2 intercom features full Duplex communication, so driver and passenger enjoy simultaneous conversation just like on the telephone. Soft touch electronic volume up/down controls for optimum ease of operation even with gloves. Two easy to mount headsets with no helmet drilling required. Nady noise-cancelling microphones. Wind Block circuitry for enhanced intelligibility up to 80+ mph. Open face helmet style headset standard - optional closed (full) face headset available below.