Overview:
 
FOUR CHANNELS OF WIRELESS VERSATILITY, WHEREVER REQUIRED SLX-D 
 
Digital Wireless delivers transparent, 24-bit digital audio and rock solid RF performance with streamlined network-ready setup and rechargeability options in a suite of versatile wireless system configurations.  Featuring industry-leading digital wireless technology and design in a convenient full-rack quad configuration, the SLXD4Q+ efficiently saves space and accessories, and easily scales to match channel requirements.
 
Features
Four channels in one rack space
Wide 138 MHz tuning range
32 available channels per frequency band (region dependent)
Transparent 24-bit digital audio
118 dB dynamic range
Audio Summing matches receiver output to available mixer channels (4,3,2 or 1)
4 XLR and 4 1/4" outputs and 2 local ethernet connections
RF Cascade creates an 8-channel system by linking two SLXD4Q+ together, no other accessories required
Bias Voltage power supply management
Digital predictive switching diversity
Easy pairing of transmitters and receivers over IR scan and sync
Up to 8 hours from 2 AA batteries or optional Shure SB903 rechargeable battery
Rugged metal construction