Shure SLXD4Q+G57

The SLXD4Q+ Quad Channel Receiver is the best choice for streamlining SLX-D
digital wireless performance into a space-saving footprint. Featuring
expanded capabilities for confident speech presentation and vocal
performance - from lecture halls to live entertainment.

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.

* 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