The Shure ULXD4QUK=-K51 is a professional quad-channel digital wireless receiver from the ULX-D series, designed for high-channel-count live sound, theatre, broadcast and installed AV systems. Operating in the K51 band (606–670 MHz), it delivers clear, consistent 24-bit / 48 kHz digital audio with excellent RF stability and low latency.
Housed in a 1U rackmount chassis, the ULXD4Q supports up to four ULX-D transmitters simultaneously, making it ideal where rack space is limited. It features four balanced XLR outputs, Ethernet connectivity for Shure Wireless Workbench control and monitoring, clear front-panel metering, optional AES-256 encryption, and full compatibility with Shure rechargeable batteries for accurate runtime reporting. Reliable, scalable and sonically transparent, it’s a trusted choice for demanding professional wireless applications.