Shure ULXD4Q Quad-Channel Digital Wireless Receiver (J50A: 572 to 608 + 614 to 616 MHz)

The Shure ULXD4Q=-J50A is a quad-channel digital wireless receiver designed to handle multiple wireless audio signals within a single 1RU rackmount unit. It operates in the 572 to 608 MHz and 614 to 616 MHz frequency bands, making it suitable for professional sound reinforcement and installation setups that require reliable multi-channel wireless audio management.

This receiver offers individual XLR outputs for each channel, allowing precise control with up to 60 dB of gain per channel. It provides clear 24-bit/48 kHz digital audio with a dynamic range exceeding 120 dB, ensuring high-quality sound reproduction. The unit includes audio and RF metering to monitor signal levels and performance in real time.

Two Ethernet ports enable Dante digital audio networking and remote management, which is especially useful in complex audio systems where centralized control and flexible routing are needed. The ULXD4Q features Digital Predictive Switching Diversity technology to maintain stable RF connections, reducing dropouts and interference during live performances or broadcasts.

Security is a priority with AES-256 encryption protecting wireless transmissions, making it a reliable choice for environments where secure audio is essential. Additional features like RF cascade ports allow antenna signals to be distributed efficiently across multiple receivers, while automatic frequency scanning and IR sync simplify setup and channel coordination.

The receiver also supports audio summing and offers mic or line level output options, providing versatility for different audio configurations. It integrates seamlessly with Shure’s Wireless Workbench software, giving users comprehensive tools for frequency coordination, monitoring, and system management.

This receiver is ideal for audio professionals working in live events, theaters, houses of worship, or corporate installations who need a dependable, flexible solution for managing multiple wireless channels in a compact and easy-to-manage form factor.

Highlights:

• 4-channel UHF digital wireless receiver
• Operates in 572–608 + 614–616 MHz band
• 24-bit/48 kHz digital audio with >120 dB dynamic range
• Dante network audio and Ethernet control ports
• AES-256 encryption for secure transmission
• Digital Predictive Switching Diversity for RF stability
• Independent XLR outputs with 60 dB gain control
• RF cascade ports for antenna signal distribution
• Audio summing and mic/line level output options
• Compatible with Shure Wireless Workbench software