Shure QLXD4 Digital Wireless Receiver — G50 (470-534 MHz)
QLXD4 Overview
The Shure QLXD4 is a half-rack digital wireless receiver built for professional live sound, houses of worship, corporate AV, and installed audio environments operating in the G50 frequency band (470-534 MHz). It combines AES 256 encryption with digital predictive switching diversity to deliver secure, reliable RF performance in demanding multi-channel deployments. Automatic Channel Scan and Networked Channel Scan simplify frequency coordination across large systems, reducing setup time in complex RF environments. The QLXD4 is well suited for touring engineers, system integrators, and venue technicians who require fast, dependable wireless operation.
The one-touch sync function allows the receiver to push open frequencies directly to transmitters, accelerating deployment and minimizing the potential for operator error during setup.
Key Features
- AES 256 Encryption — provides robust security for wireless audio transmission, suitable for broadcast, corporate, and government applications
- Automatic Channel Scan — quickly identifies open frequencies in the local RF environment for fast, reliable channel assignment
- Networked Channel Scan — coordinates frequency scanning across multiple receivers on a network for efficient large-system deployment
- Digital Predictive Switching Diversity — continuously monitors and switches antenna paths to maintain signal integrity and minimize dropouts
- One-Touch Sync — pushes confirmed open frequencies from receiver to transmitter in a single step, streamlining setup workflow
- Half-Rack Form Factor — space-efficient chassis allows two units to be rack-mounted side by side in a single rack space with optional mounting hardware
- G50 Frequency Band — operates across 470-534 MHz for compatibility with regional frequency coordination plans
Technical Specifications
| Frequency Band | G50 (470-534 MHz) |
| Encryption | AES 256 |
| Form Factor | Half-rack |
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