The Shure ULXD4UK=-K51 is a professional single-channel digital wireless receiver from the ULX-D range, designed for live sound, theatre, broadcast and installed AV applications. Operating in the K51 band (606–670 MHz), it delivers clean, consistent 24-bit / 48 kHz digital audio with excellent RF stability and low noise.
Housed in a compact half-rack metal chassis, the ULXD4 provides balanced XLR and ¼” jack outputs, clear front-panel metering, and Ethernet connectivity for monitoring and control via Shure Wireless Workbench. With support for AES-256 encryption and Shure rechargeable battery integration, the ULXD4UK-K51 is a reliable, scalable choice for professional wireless systems where sound quality and dependability matter.