The Shure ULXD4D is a full rack, dual channel, networkable receiver for use with ULX-D Digital Wireless Systems. 24 bit / 48kHz digital audio quality, spectrum efficient and intelligent RF performance, and AES-256 bit encryption, all combine to make the ULXD4D ideally suited to any size of professional sound reinforcement application. Additional features of this dual version include Bodypack Frequency Diversity, audio output channel summing, and Dante™ digital networking for audio over Ethernet. High Density mode enables up to 63 active transmitters in one 8 MHz TV channel.