AX AP41OM2A R41 RX with H60/OM2 Handheld TX One-touch auto clear channel scan and transmitter sync 32 MHz Wide spectrum receiver 64 MHz Wide spectrum transmitter Durable metal housing 106 Pre-coordinated frequencies for quick and easy set up A value-packed handheld diversity wireless system featuring the AUDIX OM2. The OM2, our best-selling vocal microphone, has slight bass proximity, a tailored mid-range, and a full-bodied sound. Ideally optimized for small to mid-size PA systems, the OM2 is a workhorse microphone known for its excellent isolation on stage, outstanding feedback rejection, and ability to handle high sound pressure levels without distortion.