SLX Wireless Lavalier System, Includes WL93 Micro-Lavalier Microphone, SLX1 Bodypack Transmitter and SLX4 Diversity Receiver. Features an omnidirectional miniature condenser mic for speech applications. 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.