SHURE WIRE MIC HANDHELD / LAV COMBO Most wireless mics are available in a range of frequencies. If you are planning on using multiple receivers in your system, call one of our product specialists today to help you choose frequency ranges that won't interfere with each other.Sound installations and working bands need powerful wireless tools that can be set up quickly and used confidently. Shure's rugged SLX UHF Wireless Systems exceed these demands with innovative automatic setup features, such as auto frequency scan and transmitter setup, exceptional wireless clarity, and legendary Shure microphones. Supporting 20 compatible systems across multiple UHF frequency bands, SLX smoothly integrates into houses of worship, lecture halls, conference rooms, and mobile gear cases.SLX Wireless Systems feature Shure's patented Audio Reference Companding for crystal-clear sound beyond the limits of conventional wireless technology. SLX124-85-SM58 Combo Pakcage Includes:SM58 Microphone CartridgeWL185 Lavalier MicSLX2 TransmitterSLX1 Bodypack TransmitterSLX4 Diversity Receiver