Shure ULXD4 Single Digital Wireless Receiver

Rack up your wireless with the Shure ULXD4 single-channel digital receiver. Includes intelligent channel scanning for dropout-free audio.

The Shure ULXD4 is a half-rack wireless receiver for use with ULX-D Digital Wireless Systems. With an expansive set of professional features, including 24-bit/48kHz digital audio quality, efficient and intelligent RF performance, and AES 256-bit encryption, ULX-D offers uncompromising wireless tailored for professional sound reinforcement.


- Up to 64 MHz tuning range
- Predictive switching diversity
- Intelligent scanning automatically finds and deploys the cleanest frequencies to transmitters over IR sync
- Interference detection and alerts provided on both the receiver and WWB6
- Front panel gain adjustment buttons provide up to 60 dB additional gain
- AES 256-bit encryption-enabled for applications where secure transmission is needed
- Ethernet networking for streamlined setup across multiple receivers, WWB6 integration (coming soon), and AMX/Crestron control
- Support for frequency coordination with Axient Spectrum Manager (coming soon)
- Rugged metal chassis
- Intuitive front panel LCD menu and controls
- Easily readableUpgraded LCD with adjustable contrast and brightness
- Audio and RF LED meters with peak indicator
- Front panel lockout
- XLR and 1/4" outputs
- Remoteable wave antennas
- Furnished rack hardware

-Dimensions (HxWxD): 197 mm x 171 mm x 42 mm (7.75 x 6.75 x 1.65 in)
-Weight: 913 g (2.0 lbs), without antennas
-Housing: Galvanized Steel
-Spurious Rejection: >80 dB, typical
-Connector Type: BNC
-Impedance: 50
-Bias Voltage: 12 - 13 V DC, 170 mA maximum, per antenna
-Gain Adjustment Range: -18 to +42 dB in 1 dB steps (plus Mute setting)
-Configuration: 1/4" (6.35 mm):: Impedance balanced (Tip=audio, Ring=no audio, Sleeve=ground)
-XLR: Balanced (1=ground, 2=audio +, 3=audio -)
-Impedance: 1/4" (6.35 mm):: 100 O (50 O Unbalanced)
-XLR: 100
-Full Scale Output: 1/4" (6.35 mm):: +12 dBV
-XLR: LINE setting= +18 dBV, MIC setting= -12 dBV
-Mic/Line Switch: 30 dB pad
-Phantom Power Protection: 1/4" (6.35 mm): Yes
-XLR: Yes
-Power Over Ethernet (PoE): No, protected
-Network Interface: Single Port Ethernet 10/100 Mbps
-Network Addressing Capability: DHCP or Manual IP address
-Maximum Ethernet Cable Length: 100 m (328 ft)
Dimensions and Weight in Packaging
Shipping Weight: 6.25 lbs
Shipping Dimensions: 19 x 15 x 4 in
Manufacturer Part Number (MPN): ULXD4=-G50
Shipping Weight: 6.1 lbs
Shipping Dimensions: 18 x 15 x 4 in
Manufacturer Part Number (MPN): ULXD4=-H50
Shipping Weight: 6.25 lbs
Shipping Dimensions: 19 x 15 x 4 in
Manufacturer Part Number (MPN): ULXD4=-J50A
Shipping Weight: 6.4 lbs
Shipping Dimensions: 19 x 15 x 4 in
Manufacturer Part Number (MPN): ULXD4=-V50

Consumer Alert

Most users do not need a license to operate this wireless microphone system. Nevertheless, operating this microphone system without a license is subject to certain restrictions: the system may not cause harmful interference; it must operate at a low power level (not in excess of 50 milliwatts); and it has no protection from interference received from any other device. Purchasers should also be aware that the FCC is currently evaluating use of wireless microphone systems, and these rules are subject to change. For more information, call the FCC at 1-888-CALL-FCC (TTY: 1-888-TELL-FCC) or visit the FCC's wireless microphone website at

NOTE: None of the wireless systems we carry are capable of violating the FCC guidelines stated above. We are presenting this information as a matter of legally required disclosure.

For support or warranty questions, please contact the manufacturer:
Phone: 800-516-2525


  • 18 x  
  • 12 x  
    $93.92 with zZounds
  • 8 x  
    $140.88 with zZounds
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