QLX-D™ Digital Wireless Systems deliver defined, streamlined performance with transparent 24-bit digital audio.

So… you get the QLXD4 receiver, rack mount accessories, power supply, and nice long chunky 1/2-wave antennas.

As far as digital wireless goes, Shure has hit the jackpot with QLXD. All you need to do is pick a transmitter to do the job for you – either one of the many handheld options, or the sleek and solid beltback transmitter.

The blurb from Shure:

Featuring transparent 24 bit digital audio quality and incredibly efficient RF spectrum usage, the QLXD4 is a half-rack digital wireless receiver for use with QLX-D™ Digital Wireless Systems. Ideal for presentation spaces, music venues, and houses of worship, the QLXD4 combines professional features with streamlined setup and operation. Automatic scanning quickly finds open frequencies and one-touch sync quickly deploys them to transmitters. Ethernet networking enables networked channel scanning across multiple receivers and Wireless Workbench software integration for remote control of receiver settings from a PC or Mac.

QLXD4 – Wireless Digital Receiver:

K52 Frequency = 606-670 MHz