The PSM 900 Wireless Personal Monitor System from Shure is a professional-quality wireless monitoring system that provides high-quality audio and RF performance in a compact and durable design. The kit includes a P9T half-rack transmitter, a P9RA+ bodypack receiver, and a pair of SE425-CL clear in-ear monitors.
 
The system features an operating distance of 300' and a tuning bandwidth of 36 to 46 MHz. The digital stereo encoder offers audio detail and clarity and a patented Audio Reference Companding that sounds more like wired audio than other competing wireless systems. A rackmount kit is included along with a power supply.