Shure ULXD4 - Single-Channel Wireless Receiver (G50 Band - 470-534 MHz)The Shure ULXD4 is a half rack, networkable wireless receiver for use with ULX D Wireless Systems. With an expansive set of professional features, including 24 bit 48 kHz audio quality, efficient and intelligent RF performance, and AES 256 bit encryption, ULX offers uncompromising wireless tailored for professional sound reinforcement. Features Predictive switching diversity High Density mode optimizes ULX D systems to simultaneously operate