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.
- Two receivers in a rugged 1RU metal chassis with internal power supply
- Up to 72 MHz tuning range (region dependent)
- Optimised scanning automatically finds, and priorities the cleanest frequencies to be manually deployed to transmitters over IR sync
- Bodypack Frequency Diversity ensures uninterrupted audio for mission critical applications
- Individual gain controls (up to 60 dB), LED meters, and XLR outputs for each channel
- Audio summing routes two or more audio channels to combinations of XLR receiver outputs, controlled via channel gain adjustment
- Compatible with AMX and Crestron control systems
- Interference detection and alerts
- Intuitive front panel LCD menu and controls with various lockout options, plus audio and RF LED meters with peak indicator
- Removable half wave antennas
- 24 bit / 48 kHz digital audio
- 20 Hz – 20 kHz frequency range with flat response
- Greater than 120 dB dynamic range
- Up to 22 active transmitters in one 8 MHz TV channel in standard mode; High Density mode enables up to 63 active transmitters in one 8 MHz TV channel
- AES-256 bit encryption equipped for secure wireless transmission



