Digital wireless receiver offers a spectrum and RF intelligent option for use in any professional sound reinforcement application. Features include Digital Predictive Switching Diversity, 72 MHz tuning range, and AES 256 encryption for security.

Features

• Predictive switching diversity
• High Density mode optimizes ULX-D systems to simultaneously operate significantly more channels in applications up to 30 meters
• Intelligent scanning automatically finds and deploys the cleanest frequencies to transmitters over IR sync
• Interference detection and alerts provided on both the receiver and Wireless Workbench® 6
• 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 provides streamlined setup across multiple receivers, Wireless Workbench® 6 integration, and AMX/Crestron control
• Support for frequency coordination with the Axient® Spectrum Manager
• Rugged metal chassis
• Intuitive front panel LCD menu and controls with lockout feature
• Upgraded LCD with adjustable contrast and brightness
• Audio and RF LED meters with peak indicator
• Remoteable ½ wave antennas
• Furnished rack hardware

The Shure ULXD4 is a half-rack, networkable wireless receiver for use with ULX-D® Digital Wireless Systems.

With an expansive set of professional features, including 24-bit / 48 kHz digital audio quality, efficient and intelligent RF performance, and AES 256-bit encryption, ULX Digital offers uncompromising wireless tailored for professional sound reinforcement.

Specifications:

General
- Wireless Technology: Digital VHF
- Diversity: Antenna Diversity
- Max Operating Range: 328.1' / 100 m
- Receiver Type: Tabletop
- Number of Audio Channels: 1
- Audio I/O: 1x XLR 3-Pin Male Balanced Output, 1x 1/4" TRS Female Balanced Output
- Network I/O: 1x RJ45 (10/100 Mb/s)
- Power Requirements: AC/DC Power Adapter
- Number of RF Channel Frequencies: 1680
- Diversity: Antenna Diversity
- RF Frequency Band: H50: 534 to 598 MHz
- RF Bandwidth: 64 MHz
- Frequency Step Size: 25 kHz
- RF Channel Scanning: Auto-Scan
- Max Operating Range: 328.1' / 100 m
- Max Transmitters per Band: 60
- Timecode Support: No
- Mobile App Compatible: Yes: Android & iOS
- App Name: ShurePlus Channels
- Functionality: Remote Control
- OS Compatibility: Windows 10 or Later, macOS 10.14 or Later
- Latency: < 2.9 ms
- Modulation: Proprietary

Receiver
- Receiver Type: Tabletop
- Mounting Options: Rackmount, Tabletop (with Included Hardware)
- Rackmount Size: 1 RU (1/2 Rack)
- Antenna: 2x 1/2 Wave External, BNC (Rear-Mount)
- Antenna Bias Voltage: 12 to 13 VDC, 150 mA (per Antenna)
- Number of Audio Channels: 1
- Built-In Microphone: No
- Audio I/O: 1x XLR 3-Pin Male Balanced Output, 1x 1/4" TRS Female Balanced Output
- Gain Range: -18 to +42 dB (1 dB Steps)
- Pad: 30 dB

Audio Output Level
- XLR Output: +18 dBV (Line Level)
- XLR Output: -12 dBV (Mic Level)
- 1/4" Output: +12 dBV (Consumer Level, Instrument Level)

- Phantom Power Protection: On 1/4", XLR Outputs
- Frequency Response: 30 Hz to 20 kHz ±1 dB (Dependent on Mic)
- Network I/O: 1x RJ45 (10/100 Mb/s)
- Network Protocols: DHCP, Manual IP
- USB Class-Compliant: No USB Connectivity
- Standalone Audio Interface Capable: No
- Impedance: XLR Output: 100 Ohms (Balanced)
- Approximate RF Sensitivity: -98 dBm
- Adjacent Channel Isolation: >70 dB
- Spurious: Rejection: >80 dB
- Power Requirements: AC/DC Power Adapter
- AC/DC Power Adapter: 15 VDC at 600 mA (Included)
- Input Power: 100 to 240 VAC, 50 / 60 Hz at 250 mA
- DC Input Power: 15 VDC at 600mA

Display & Indicators
- 1x Backlit LCD (Battery Status, Channel, Group, Menu Navigation)
- 2x Multi-Segment LED (AF Level, Output Level, Peak)

- Housing: Steel
- Operating Temperature: 0 to 122°F / -17 to 50°C
- Storage Temperature: -20 to 165°F / -28 to 73°C
- Dimensions: 6.7 x 1.7 x 7.8" / 171 x 44 x 197 mm
- Weight: 2 lb / 0.9 kg

Packaging Info
- Package Weight: 6.7 lb
- Box Dimensions (LxWxH): 18.2 x 14.6 x 3.7"