Shure ULXD4 Single-Channel Digital Wireless Receiver

Product Overview

The Shure ULXD4 is a professional single-channel digital wireless receiver for use with the ULX-D wireless system, designed for demanding corporate AV, education, government, and live sound reinforcement deployments. It delivers 24-bit/48 kHz digital audio quality, AES 256-bit encryption, predictive switching diversity, and Ethernet networking for Wireless Workbench integration and AMX/Crestron control—making it the backbone of scalable, networkable professional wireless audio installations. The half-rack form factor accommodates rack-mount deployment alongside companion ULXD4D or ULXD4Q receivers in multi-channel commercial AV systems.

Product Description

The ULXD4 integrates intelligent RF management including High Density mode for simultaneous multi-channel operation in applications up to 30 meters, and interference detection with front-panel and Wireless Workbench 6 alerts for proactive spectrum management. Front-panel gain adjustment buttons provide up to 60 dB of additional gain, and the upgraded backlit LCD with adjustable contrast and brightness supports operation across varying ambient lighting conditions. Remoteable half-wave antennas and compatibility with the Shure AXT600 Axient Spectrum Manager support complex, multi-zone wireless installations in convention centers, university campuses, and large commercial facilities. Pair this receiver with ULXD2 transmitters such as the Shure ULXD2/B87A to build a complete single-channel ULX-D wireless system.

Key Features

• 24-Bit / 48 kHz Digital Audio — Delivers uncompromising audio fidelity across all ULX-D wireless system configurations for professional sound reinforcement and commercial AV applications.
• AES 256-Bit Encryption — Enables secure wireless audio for government, corporate, and sensitive commercial environments where transmission interception must be prevented.
• Predictive Switching Diversity — Continuously monitors antenna signal quality and switches before dropouts occur, maintaining uninterrupted audio in complex RF environments.
• High Density Mode — Optimizes ULX-D systems to operate significantly more simultaneous channels in applications up to 30 meters, essential for multi-mic conference and event environments.
• Intelligent Frequency Scanning — Automatically identifies and deploys the cleanest available frequencies to transmitters via IR sync, accelerating deployment in crowded RF environments.
• Ethernet Networking and Wireless Workbench 6 Integration — Provides streamlined multi-receiver frequency coordination, remote monitoring, and AMX/Crestron control for enterprise AV management.
• Front Panel Gain Adjustment (Up to 60 dB) — Allows output level calibration directly from the front panel without requiring PC-based software access during event setup.
• Axient Spectrum Manager Compatibility — Supports frequency coordination with the AXT600 Spectrum Manager for installations requiring advanced RF spectrum management alongside Axient systems.
• Rugged Metal Chassis with Remoteable Antennas — Furnished rack hardware and remoteable half-wave antennas support flexible rack installation configurations in equipment rooms and front-of-house racks.

Typical Applications

• Corporate boardroom and conference room wireless audio
• Government meeting facility AV infrastructure
• House of worship sound system backbone
• Commercial training room and all-hands room wireless audio
• University lecture hall and auditorium wireless systems
• Multi-purpose room and performing arts facility AV

Technical Specifications

Frequently Asked Questions

Q: What transmitters are compatible with the ULXD4?
A: The ULXD4 is compatible with all ULX-D transmitters including handheld (ULXD2), bodypack (ULXD1), boundary microphone (ULXD6), and gooseneck base (ULXD8) transmitters. Frequency bands must match between receiver and transmitter.

Q: Can multiple ULXD4 receivers be networked together for coordinated management?
A: Yes. Ethernet connectivity enables networking of multiple ULXD4 receivers for streamlined frequency coordination, deployment via Wireless Workbench 6, and AMX/Crestron control system integration.

Q: How does High Density mode affect channel count?
A: High Density mode significantly increases the number of simultaneous ULX-D channels that can operate in the same space, optimized for applications within approximately 30 meters. It trades operating range for higher channel density, suitable for conference rooms and boardrooms.

Q: What is the difference between the ULXD4 and ULXD4D?
A: The ULXD4 is a half-rack single-channel receiver with an external power supply, while the ULXD4D is a full 1RU dual-channel receiver with an internal power supply, Dante digital audio networking, expanded tuning range (up to 166 MHz), and RF cascade ports for antenna distribution.

Q: What warranty applies to the ULXD4?
A: Shure provides a two-year limited warranty on the ULXD4. Contact Creation Networks for purchasing assistance or Shure directly for warranty service.