Single-channel Diversity Receiver. Available in dual systems. Up to 62 compatible systems (multi-band). Shure ULX Professional wireless receivers offer an exceptional value in both performance and price, for both working musicians and sound installers. For use with ULX Professional Wireless systems. The expanded feature set of the ULXP4 wireless receiver offers a direct path to full, clear audio signals. Wireless Bodypack Transmitter. Low-profile, highly durable. Eight hours battery life, 300 ft. range - The ULX1 Bodypack Transmitter has a number of uses with ULX Professional systems from Shure, including Lavalier, Headworn, Guitar/Bass, Instrument, and system Combos. The low-profile, highly durable body-pack ULX1 has all the characteristics to meet the demands of high performance. For use with headworn, lavalier and instrument microphones, as well as guitars and basses. Attaches to belt, waistband or guitar strap with clip for hands-free mobility.