Shure ULXD4D Dual Wireless Receiver (V50 Band - 174-216 MHz)


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  • The Shure ULXD4D Dual Channel 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.


    • Two receivers in a rugged 1RU metal chassis with internal power supply
    • Individual gain controls, LED meters, and XLR outputs for each channel
    • Up to 64 MHz tuning range (region dependent)
    • 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
    • AES 256-bit encryption-enabled for secure transmission
    • Audio summing routes both audio channels to each XLR receiver output
    • Dante™ networked audio over Ethernet
    • 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
    • AMX/Crestron® control
    • AXT600 Axient® Spectrum Manager compatible
    • Yamaha® device ID allows simplified channel patching on CL consoles
    • 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

    With RF cascade and two Ethernet ports, units easily can share RF signal and be networked together for simplified frequency coordination and deployment. For networked audio applications, Dante™ networking allows multiple channels of audio to be transmitted and received over a single Ethernet cable. When more compatible frequencies over shorter distances, High Density mode can be enabled to dramatically increase the number of available open frequencies.

    With the suite of features and benefits ULX-D® Wireless Systems offer, the ULXD4D is truly generations ahead of any other dual receiver in its class, and brings a new level of performance to professional sound reinforcement.

    Note: When purchasing separate wireless components, please match their frequency bands to ensure proper system operation.

  • RF Carrier Frequency Range 470–932 MHz, varies by region (See Frequency Range and Ouput Power table)
    Working Range 100 m (330 ft)
    Note: Actual range depends on RF signal absorption, reflection and interference.
    RF Tuning Step Size 25 kHz, varies by region
    Image Rejection >70 dB, typical
    RF Sensitivity 98 dBm at 10-5 BER
    Latency <2.9 ms
    RF Input  
    Spurious Rejection >80 dB, typical
    Connector Type BNC
    Impedance 50
    Bias Voltage 12 to 13 V DC, 150 mA maximum, per antenna, switchable on/off
    Cascade Output  
    Connector Type BNC
    Note For connection of one additional receiver in the same band
    Configuration Unbalanced, passive
    Impedance 50
    Insertion Loss 0 dB
    Audio Dynamic Range
    A-weighted, typical, System Gain @ +10
    XLR Analog Output >120 dB
    Dante Digital Output 130 dB
    Total Harmonic Distortion 12 dBFS input, System Gain @ +10
    System Audio Polarity Positive pressure on microphone diaphragm produces positive voltage on pin 2 (with respect to pin 3 of XLR output) and the tip of the 6.35 mm (1/4-inch) output.
    Operating Temperature Range -18°C (0°F) to 50°C (122°F)
    Note: Battery characteristics may limit this range.
    Storage Temperature Range -29°C (-20°F) to 74°C (165°F)
    Note: Battery characteristics may limit this range.
    Audio Output  
    Gain Adjustment Range 18 to +42 dB in 1 dB steps (plus Mute setting)
    Configuration XLR balanced (1=ground, 2=audio +, 3=audio )
    Impedance 100
    Full Scale Output LINE setting +18 dBV
    MIC setting 12  dBV
    Mic/Line Switch 30 dB pad
    Phantom Power Protection Yes
    Network Interface Dual Port Ethernet 10/100 Mbps, 1Gbps, Dante Digital Audio
    Network Addressing Capability DHCP or Manual IP address
    Maximum Cable Length 100 m (328 ft)
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