Shure ULXD4D-G50 Dual Channel Digital Wireless Microphone System

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The Shure ULXD4D Dual Channel Digital Wireless Receiver offers two channels of uncompromising audio quality, RF signal stability and efficiency, and advanced setup features in a single rack unit. Rugged, yet lightweight and compact, the all-metal chassis houses two independent receivers, each with its own audio and RF meters, gain control, and receiver outputs that can be either direct or summed for flexible signal routing.

With RF cascade and two Ethernet ports, units easily can share RF signal and be networked together for simplified frequency coordination and deployment. With the suite of features and benefits, ULX-D® Digital Wireless Systems offer, the ULXD4D is truly generations ahead of any other dual digital receiver in its class and brings a new level of performance to professional sound reinforcement.


  • Two receivers in a rugged 1RU metal chassis with internal power supply Individual gain controls, LED meters, and XLR outputs for each channel
  • Digital predictive switching diversity
  • High Density mode optimizes ULX-D systems to simultaneously operate significantly more channels in applications up to 30 meters
  • RF cascade ports allow distribution of RF signal to another unit
  • Optimized scanning automatically finds, prioritizes, and deploys the cleanest frequencies to transmitters over IR sync
  • Bodypack frequency diversity ensures uninterrupted audio for mission-critical applications
  • Audio summing routes both audio channels to each XLR receiver output
  • Up to 60 dB independently adjustable gain for each channel
  • Ethernet networking for streamlined frequency coordination and deployment across multiple receivers
  • Wireless Workbench® 6 (WWB6) software integration for advanced coordination, monitoring, and control
  • Intuitive front panel LCD menu and controls with lockout feature
  • Audio and RF LED meters with peak indicator
  • XLR connectors with switchable mic/line output level
  • Remoteable ½ wave antennas


Brand Shure
Model ULXD4D-G50


Type UHF
Color Black
Construction Galvanized Steel

Receiver Connectivity

Output Connectors 1 x XLR connector (into 600 Ω load)
1x 6.35 mm (1/4") connector (into 3 kΩ load)

Receiver Performance Data

Frequency Response 25 Hz – 15 kHz, ±2 dB
Note: Dependent on microphone type
UHF Band Available options in stock:
G3E (470-506 MHz)
J2 (554-590 MHz)
K2E (606-642 MHz)
M2 (662-698 MHz)
R4 (784-820 MHz)
S3 (829-865 MHz)
Q2 (748-784 MHz)
Operating Range (FT) 100 m (300 ft) typical

Note: Actual range depends on RF signal absorption, reflection and interference.

Receiver Physical Information

User Controls Scan and sync® instantly and automatically sets up the system
Power 14–18 V DC (negative ground), 550 mA
Dimensions (WHD) 43 x 214 x 163 mm (1.72 x 8.56 x 6.52 in.), H x W x D
Weight 1049 g (2 lbs, 5 oz.)

Body Pack Transmitter

RF Output (mW) 1-20 mW
Gain Adjustment 20 dB
Polar Pattern WL185 (super cardioid)
Battery Type/Life 2 x "AA" size alkaline batteries / up to 11 hours
Dimensions (WHD) 2.6" x 3.4" x 0.9"
Weight 5.0 oz

Handheld Transmitter

RF Output (mW) 1-20 mW
Gain Adjustment 20 dB
Polar Pattern SM58 (cardioid)
Battery Type/Life 2 x "AA" size alkaline batteries / up to 11 hours
Dimensions (WHD) 10.1" x 2.0"
Weight 12.0 oz

Patch Cables

  • XLR Balanced Audio Patch Cable (M-F)

Audio Components

  • Shure UA874US Active Directional Antenna (470-698 MHz)
  • Shure UA844SWB Antenna / Power Distribution System (470-952 MHz)
  • Shure UA221 Passive Antenna Splitter
  • JTS CM-8015F Lightweight Single Ear Hook Microphone (Beige)
  • Shure WL185 Lavalier Condenser Microphone
  • Universal Microphone Clip for Vocal Microphones
  • Shure WL93 Lavalier Condenser Microphone
  • Voice Technologies VT600T IFB Earphone w/ Coiled Trans. Tube - Beige
  • Shure ULXD1 Wireless Bodypack Transmitter w/ Shure WL185 Lavalier Microphone
  • Shure ULXD2/SM58-Wireless Hand-Held Microphone Transmitter


  • Procell™ AA Alkaline Battery