The Shure ULXD4 is an intelligent single-channel digital wireless receiver engineered for demanding corporate, education, broadcast, and live performance environments. Designed for use with ULX-D® Digital Wireless Systems, this half-rack, networkable receiver delivers uncompromising 24-bit / 48 kHz digital audio quality along with efficient and highly reliable RF performance. With a wide 64 MHz tuning range (region dependent), predictive switching diversity technology, and advanced interference detection, the ULXD4 ensures stable and uninterrupted wireless operation even in complex RF environments.

The receiver features intelligent scanning that automatically identifies and deploys the cleanest available frequencies to transmitters via IR sync, streamlining setup and minimizing manual coordination. High Density mode further optimizes system performance, allowing significantly more channels to operate simultaneously in applications within 30 meters. AES 256-bit encryption is built in, providing secure transmission for installations where data protection is essential. Ethernet networking enables seamless integration across multiple receivers, compatibility with Wireless Workbench® software for monitoring and control, and support for AMX/Crestron systems. The ULXD4 also supports frequency coordination with the Axient® Spectrum Manager, expanding its flexibility in large-scale deployments.

Built with a rugged metal chassis for durability, the receiver includes intuitive front panel controls with a lockout feature, an upgraded LCD display with adjustable contrast and brightness, front-panel gain adjustment buttons offering up to 60 dB of additional gain, and clear audio and RF LED meters with peak indicators. Remoteable ½ wave antennas and furnished rack hardware complete the professional design, making the ULXD4 a powerful and dependable solution for high-level sound reinforcement applications requiring secure, scalable, and high-performance digital wireless technology.