Shure SLXD4 Digital Wireless Receiver

Product Overview

The Shure SLXD4 is a single-channel digital wireless receiver delivering 24-bit audio with over 120 dB of dynamic range and 3.2 ms latency for transparent wireless audio in professional AV installations. Part of the SLX-D Digital Wireless System, the SLXD4 digital wireless receiver is designed for lecture halls, conference rooms, houses of worship, and live sound applications where reliable RF performance and broadcast-quality audio are required. Digital Predictive Switching Diversity and support for up to 32 simultaneous systems make it a dependable choice for complex commercial AV deployments.

Product Description

The Shure SLXD4 half-rack digital wireless receiver features an intuitive LCD interface with metering for RF signal, battery status, and audio output level, enabling quick system monitoring during live events and installed AV operation. With 44 MHz of tuning range within each frequency band and 1,760 selectable frequencies, the SLXD4 offers extensive channel coordination flexibility for multi-system deployments in commercial buildings and auditoriums. Both XLR (mic/line) and ¼" instrument outputs are provided, accommodating integration with DSP processors, mixing consoles, and AV systems. Compatible with the SLXD1 bodypack and SLXD2 handheld transmitters, the SLXD4 serves as the receiver core for a complete SLX-D wireless system.

Key Features

• 24-Bit Digital Audio with 120+ dB Dynamic Range — Delivers transparent, broadcast-quality audio with over 120 dB of dynamic range and fast transient response for speech and music in commercial AV environments.
• 3.2 ms Latency — Near-imperceptible latency eliminates audio-video sync issues and is compatible with in-ear monitoring applications requiring tight timing.
• Digital Predictive Switching Diversity — Microprocessor-controlled antenna switching selects the cleaner signal before dropouts occur, maintaining stable reception in challenging RF environments.
• Up to 32 Simultaneous Systems — Spectrum-efficient digital transmission supports dense multi-channel deployments in large conference centers, auditoriums, and houses of worship.
• 44 MHz Tuning Range per Band with 1,760 Selectable Frequencies — Broad frequency agility within each band provides extensive coordination options to avoid interference in congested commercial RF environments.
• XLR and ¼" Outputs with 60 dB Gain Control — Dual output connectivity and 60 dB of gain adjustment enable direct integration with professional mixing consoles, DSP processors, and amplified AV systems.
• All-Metal Half-Rack Construction with LCD Interface — Durable metal housing and an intuitive backlit LCD with RF, battery, and audio metering support rack-mount installation in permanent AV infrastructure.

Typical Applications

• Conference room and boardroom wireless microphone systems for presenters and meeting facilitators
• Lecture hall and training room installations requiring high-channel-count wireless audio
• House of worship vocal and speech wireless deployments with multiple concurrent microphones
• All-hands and multipurpose room AV systems with permanent rack-mount wireless infrastructure
• Government and commercial meeting spaces requiring transparent digital audio performance

Technical Specifications

Frequently Asked Questions

What transmitters are compatible with the SLXD4?
The SLXD4 receiver is compatible with SLXD1 bodypack and SLXD2 handheld transmitters. All components must share the same frequency band (G58 or H55) for proper system operation.

How many SLXD4 systems can operate simultaneously?
The SLX-D system supports up to 32 simultaneous systems within the same frequency band, making it suitable for large conference centers, auditoriums, and houses of worship with high-channel-count wireless requirements.

Is the SLXD4 rack-mountable?
Yes. The SLXD4 is a half-rack unit designed for standard rack installation. Two SLXD4 receivers can be mounted side-by-side in a single rack unit with an optional rack tray accessory.

What is the audio latency?
The SLX-D system delivers 24-bit digital audio at 3.2 ms of latency—suitable for live sound reinforcement and in-ear monitoring applications where tight timing is required.

Does the SLXD4 support antenna distribution?
Yes. The SLXD4 includes antenna ports compatible with Shure’s UA series antenna distribution systems, enabling remote antenna placement for improved coverage in large or challenging installation environments.