Shure QLXD4 Digital Wireless Receiver

Shure QLXD4

Half-rack QLXD4 Digital Wireless Receiver quickly finds open frequencies and deploys them to transmitters via the one-touch sync function


Shure QLXD4 Digital Wireless Receiver

Designed for capturing audio, the QLXD4 Digital Wireless Receiver by Shure offers 24-bit digital audio quality and solid RF spectrum reception. When paired with a wireless transmitter and microphone, it can be used for mid-size events and installations in businesses, hotels, government offices, schools, houses of worship, live performance spaces, and more. It features more than 60 preset channels per frequency band, network control, and AES 256-bit encryption. The QLXD4 wireless receiver is built with switching diversity and automatic channel scan, and has IR one-touch sync capabilities to make finding an open frequency quick. This receiver features a 20 Hz to 20 kHz frequency range, and a high-contrast LCD display. This allows for clear navigation though the menus and controls. With clearly defined performance, the QLXD4 delivers clean audio and provides professional features for demanding live sound events and installations.

The QLXD4 receiver is built with two detachable 1/2 wave antennas and has balanced 1/4" line outputs, and XLR balanced output connectors. The XLR outputs are switchable from mic/line. Ethernet networking enables networked channel scanning across multiple receivers. Wireless Workbench software allows for remote control of receiver settings from a PC or Mac. Included are a PS23 power supply, two 1/2 wave antennas, two 2' BNC cables with bulkhead adapters, Ethernet cable, and rackmount hardware.

Audio and RF LED meters with peak indicators to monitor your performance
Digital predictive switching diversity receiver to capture the clearest sound
64 MHz tuning bandwidth
Up to 17 compatible systems per 6 MHz TV band, and 22 systems per 8 MHz band
Easy pairing of transmitters and receivers over IR scan and sync
Automatic channel scan quickly finds the cleanest frequency
Selectable display mode showing group/channel, frequency, or battery runtime
Compatible with Shure Wireless Workbench 6 control software
Rugged metal construction


RF Carrier Frequency RangeG50: 470 to 534 MHz
Working Range328' (100 m) 
Note: Actual range depends on RF signal absorption, reflection and interference
RFTuning Step Size: 25 kHz, varies by region
Image RejectionGreater than 70 dB, typical
RF Sensitivity−97 dBm at 10-5 BER
LatencyLess than 2.9 ms
Audio Frequency ResponseQLXD1: 20 Hz - 20 kHz (±1 dB)
QLXD2: Dependent on microphone type
Audio Dynamic RangeSystem Gain @ +10: Greater than 120 dB, A-weighted, typical
Total Harmonic Distortion (THD)−12 dBFS Input, System Gain @ +10: Less than 0.1%
PolaritySystem Audio: 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 Range0 to 122°F (-18 to 50°C)
Note: Battery characteristics may limit this range
Storage Temperature Range-20 to 165°F (-29 to 74°C)
Note: Battery characteristics may limit this range.
RF InputSpurious Rejection: Greater than 80 dB, typical
Connector Type: BNC
Impedance: 50 ohms
Audio OutputGain Adjustment Range: -18 to +42 dB in 1 dB steps
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 ohms (50 ohms Unbalanced)
XLR: 100 ohms
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
NetworkingNetwork Interface: Single Port Ethernet 10/100 Mbps
Network Addressing Capability: DHCP or Manual IP address
Maximum Ethernet Cable Length: 328' (100 m)
Power Requirement12 VDC @ 0.4 A, supplied by external power supply (tip positive)
Dimensions (H x W x D)1.63 x 7.75 x 5.94" (41 x 197 x 151 mm)
Weight1.71 lb (777 g)
Packaging Info
Package Weight8.35 lb
Box Dimensions (LxWxH)19.5 x 17.4 x 4.2"

Similar Products

RM9,000.00 RM5,750.00

Mipro ACT72 ACT70T 19 Wideband ...


Shure SLX24 SM58 Handheld Wirel...

RM2,400.00 RM2,030.00

Mipro MR823MH80 UHF Dual Channe...


Shure WH20XLR Dynamic Headset M...

RM2,400.00 RM2,000.00

Mipro MR818 MH80 UHF Single Cha...


Shure SLX2 BETA87A Handheld Wir...