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SKU: ULXD4=-G50

Shure ULXD4 Digital Wireless Receiver

$1,215.00 -

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Description

Part of the ULX-D wireless series, the Shure ULXD4 houses a single digital receiver in a rugged half-rack unit with an external power supply. Read more

Features

  • Pristine 24-bit digital audio: Delivers exceptional clarity and sonic detail.
  • Secure AES 256 encryption: Ensures private, secure signal transmission.
  • Networked control via Ethernet: Allows remote management and control using Wireless Workbench software.
  • High Density (HD) mode: Optimizes system count and spectral efficiency for dense RF environments.
  • Integrated scan and sync: Automatically finds and assigns clean frequencies easily.
  • Rugged metal chassis: Durable full-metal construction built for professional environments.

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Part of the ULX-D wireless series, the Shure ULXD4 houses a single digital receiver in a rugged half-rack unit with an external power supply. Read more

Features

  • Pristine 24-bit digital audio: Delivers exceptional clarity and sonic detail.
  • Secure AES 256 encryption: Ensures private, secure signal transmission.
  • Networked control via Ethernet: Allows remote management and control using Wireless Workbench software.
  • High Density (HD) mode: Optimizes system count and spectral efficiency for dense RF environments.
  • Integrated scan and sync: Automatically finds and assigns clean frequencies easily.
  • Rugged metal chassis: Durable full-metal construction built for professional environments.

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About the Shure ULXD4 Digital Wireless Receiver

The Shure ULXD4 is a professional single-channel digital wireless receiver, a cornerstone of the ULX-D series, designed to deliver pristine audio quality, exceptional RF stability, and comprehensive system control for critical wireless applications. Operating in license-free frequency bands (such as the 2.4 GHz ISM band in many regions), it utilizes advanced digital transmission to provide crystal-clear audio with ultra-low latency and robust immunity to interference. The receiver employs true diversity reception with two integrated antennas, continuously monitoring and selecting the strongest signal to eliminate dropouts caused by multipath reflections, ensuring reliable performance even in congested RF environments.

A key differentiator of the ULXD4 is its deep integration with Shure's system management ecosystem. Via an Ethernet connection, it can be remotely controlled, monitored, and coordinated using Shure Wireless Workbench software. This allows audio engineers to manage frequency coordination across large channel counts, monitor real-time RF and audio parameters, and track detailed transmitter battery status from a central computer. The receiver features a bright color LCD screen for local setup and status viewing and offers flexible audio outputs, including analog XLR and 1/4-inch jacks as well as digital Dante audio-over-IP output for direct integration into modern networked audio systems.

Built for reliability in touring, broadcast, and installed sound, the Shure ULXD4 represents a significant leap forward in accessible digital wireless technology. It provides the audio fidelity and control features previously reserved for top-tier systems, making it an ideal choice for professional musicians, theaters, houses of worship, and corporate events. By combining premium digital audio, intelligent networking, and robust RF performance in a compact 1U design, it offers a future-proof and scalable solution for demanding wireless microphone channels.

Key Features

  • Pristine 24-bit digital audio: Delivers exceptional clarity and sonic detail.
  • Secure AES 256 encryption: Ensures private, secure signal transmission.
  • Networked control via Ethernet: Allows remote management and control using Wireless Workbench software.
  • High Density (HD) mode: Optimizes system count and spectral efficiency for dense RF environments.
  • Integrated scan and sync: Automatically finds and assigns clean frequencies easily.
  • Rugged metal chassis: Durable full-metal construction built for professional environments.

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Shure ULXD4 Digital Wireless Receiver Specs

General
Device Type
Single-Channel Digital Wireless Receiver
Series
Shure ULX-D
Wireless & RF
Frequency Band
Varies by region/model (e.g., 2.4 GHz ISM band)
Diversity Method
True Diversity (Dual internal antennas)
Modulation
Digital
Audio Performance
Analog Outputs
XLR (balanced), 1/4" (unbalanced)
Digital Audio Output
Dante (AES67)
Frequency Response
20 Hz - 20 kHz
Latency
< 3.9 ms (digital to digital)
Networking & Control
Control Interface
Ethernet (for Shure Wireless Workbench software)
Display
Color LCD screen
Remote Monitoring
Yes (RF, audio, battery status)
Power & Physical
Power Supply
Internal, auto-switching (100-240V AC)
Rack Spaces
1U
Dimensions (W x H x D)
19" x 1.75" x 7.6"

Key Features

  • Pristine 24-bit digital audio: Delivers exceptional clarity and sonic detail.
  • Secure AES 256 encryption: Ensures private, secure signal transmission.
  • Networked control via Ethernet: Allows remote management and control using Wireless Workbench software.
  • High Density (HD) mode: Optimizes system count and spectral efficiency for dense RF environments.
  • Integrated scan and sync: Automatically finds and assigns clean frequencies easily.
  • Rugged metal chassis: Durable full-metal construction built for professional environments.

Already own this item and want to sell it?

Click here to sell your item

FAQs about Shure ULXD4 Digital Wireless Receiver

What is the primary function of the Shure ULXD4 wireless receiver?

The ULXD4 is a single-channel, half-rack digital wireless receiver engineered for professional live sound, corporate events, and installed audio systems. It pairs with ULX-D series bodypack and handheld transmitters to deliver pristine 24-bit/48kHz digital audio with high spectral efficiency.

What are the primary audio output options on the rear panel?

The rear panel features a balanced 3-pin XLR audio output with switchable mic/line output levels, alongside an unbalanced 1/4-inch instrument output. It also includes an Ethernet networking port for network control and digital audio routing via Dante (on supported network configurations).

Does the ULXD4 support audio encryption for secure transmissions?

Yes, it features Advanced Encryption Standard (AES) 256-bit encryption to ensure secure wireless transmission. When encryption is enabled, the receiver generates a unique key that is synced to the transmitter, preventing unauthorized eavesdropping on sensitive audio feeds.

How does the system handle RF frequency management and coordination?

The receiver includes automated frequency scanning that quickly finds the cleanest open frequencies and deploys them to transmitters via infrared (IR) sync. It integrates seamlessly with Shure Wireless Workbench software over Ethernet for advanced frequency coordination and remote network monitoring.

What information is displayed on the front panel display?

The high-contrast LCD screen displays detailed system status, including gain settings, active frequency/channel groups, RF signal strength, and audio meters. It also provides real-time transmitter battery runtime remaining, calculated down to the exact hour and minute when using Shure SB900 series rechargeable batteries.

Can I mount the ULXD4 in a standard equipment rack?

Yes, it features a rugged, all-metal half-rack chassis and comes complete with front-mount antenna hardware and rack-mounting brackets. You can mount a single unit individually or join two units together to fit side-by-side in a 1 U 19-inch rack space.

Does the receiver support antenna power and distribution?

Yes, the BNC antenna input ports provide switchable 12V DC bias power to drive active directional antennas or inline RF signal amplifiers. It also features antenna loop-through connectors for daisy-chaining RF signals to additional receivers.

How is the ULXD4 powered?

The unit is powered via an external PS43 inline power supply that plugs into a locking DC power jack on the rear panel. The locking connector prevents accidental power disconnects during critical live performances and broadcasts.

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