Professional sound engineers demand wireless systems that won't compromise when it matters most, and the Shure ULXD4D Dual Channel Digital Wireless Receiver sets the benchmark for reliability and performance. This sophisticated dual–channel system provides uncompromising audio quality alongside exceptional RF signal stability, all housed within a single rack unit that combines rugged durability with lightweight, compact design.
The all–metal chassis accommodates two independent receivers, each featuring dedicated audio and RF metres, individual gain controls, and flexible receiver outputs that can operate as direct feeds or summed signals for versatile routing options. Advanced connectivity options include RF cascade functionality and dual Ethernet ports, enabling seamless signal sharing between units and simplified network integration for streamlined frequency coordination across larger installations.
For modern networked audio environments, DANTE® digital networking capability allows multiple audio channels to transmit and receive through a single Ethernet connection, whilst High Density mode dramatically expands available frequencies for applications requiring maximum channel density over shorter distances. The ULXD4D represents a significant advancement in dual digital receiver technology, bringing professional–grade performance standards to sound reinforcement applications where reliability and audio fidelity are non–negotiable.
- H51 Frequency Band
- Predictive switching diversity
- High Density mode optimises ULX-D systems to simultaneously operate significantly more channels in applications up to 30 meters
- Intelligent scanning automatically finds and deploys the cleanest frequencies to transmitters over IR sync
- Interference detection and alerts provided on both the receiver and Wireless Workbench® 6
- Front panel gain adjustment buttons provide up to 60 dB additional gain
- AES 256-bit encryption-enabled for applications where secure transmission is needed
- Ethernet networking provides streamlined setup across multiple receivers, Wireless Workbench® 6 integration, and AMX/Crestron control
- Support for frequency coordination with the Axient® Spectrum Manager
- Rugged metal chassis
- Intuitive front panel LCD menu and controls with lockout feature
- Upgraded LCD with adjustable contrast and brightness
- Audio and RF LED meters with peak indicator
- Remoteable ½ wave antennas
- Furnished rack hardware



