AP41 OM2 Handheld Wireless System 518-554 MHz. Whether you are a vocalist, musician, performer or presenter, the Audix Performance Series is designed to take the mystery out of wireless with a professional system that is simple, reliable and versatile. Going from set up to performance is as easy as: SCAN - Press the hot key to scan for a clear frequency (6 seconds). SYNC - Press the sync key to lock in the transmitter to the receiver (2 seconds). PLAY! - You are now free to roam the stage! Available in single (R41) and dual (R42) rack mountable models, the receivers for the Audix Performance Series feature a contemporary design, rugged construction and intuitive menus. Audix Performance Series transmitters consist of both handheld and bodypack designs. The H60 handheld transmitter features an elegantly designed slim line body that is compact, well-balanced and comfortable to hold. The Audix Performance Series B60 body pack system is very contemporary in design, rugged, comfortable to wear and easy to use. A value packed handheld diversity wireless system featuring the Audix OM2. The OM2, our best-selling vocal microphone, has a 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.