With transparent 24-bit digital audio quality and incredibly efficient RF spectrum usage, the QLXD4 Digital Wireless Receiver combines professional features with streamlined setup and operation.

Automatic scanning quickly finds open frequencies, and one-touch IR sync quickly deploys them to transmitters.

Ethernet networking enables networked channel scanning across multiple receivers and Wireless Workbench- software integration for remote control of receiver settings from a PC or Mac. Remote monitoring and control from iOS devices also is available via the ShurePlus- Channels Mobile App.

Key Features

• 64 MHz tuning bandwidth (region dependent)
• More than 60 preset compatible channels per frequency band (region dependent)
• Up to 17 compatible systems per 6 MHz TV channel; 22 systems per 8 MHz channel
• Digital predictive switching diversity ensures solid RF connection
• AES 256-bit encryption for secure wireless transmission
• Up to 60 dB of adjustable audio gain
• High-contrast LCD menu and controls with lockout feature
• Audio and RF LED meters with peak indicator
• Detachable 1/2 wave antennas
• Mic / line switchable XLR output
• 1/4 inch Instrument output
• Durable aluminum construction with brushed finish

Technical Specifications

Dimensions
41 mm × 197 mm × 151 mm (1.63 in. × 7.75 in. × 5.94 in.), H × W × D
Weight
777 g (1.71 lbs), without antennas
Housing
Steel
Power Requirements
12 V DC @ 0.4 A, supplied by external power supply (tip positive)
RF Input:
Spurious Rejection
>80 dB, typical
Connector Type
BNC
Impedance
50 ohm
Audio Output:
Gain Adjustment Range
-18 to +42 dB in 1 dB steps
Configuration
1/4 inch (6.35 mm):  Impedance balanced (Tip=audio, Ring=no audio, Sleeve=ground)
XLR:  Balanced (1=ground, 2=audio +, 3=audio -)
Impedance
1/4 inch (6.35 mm):  100 OHM (50 OHM Unbalanced)
XLR:  100 OHM
Full Scale Output
1/4 inch (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 inch (6.35 mm): Yes 
XLR: Yes
Networking:
Network Interface
Single Port Ethernet 10/100 Mbps
Network Addressing Capability
DHCP or Manual IP address
Maximum Ethernet Cable Length
100 m (328 ft)