Shure QLXD4 Digital Wireless Receiver

Get the perfect balance of professional features and intuitive efficiency with the QLXD4 digital wireless receiver from Shure. This receiver offers transparent 24-bit digital audio quality and incredibly efficient RF spectrum usage. Streamline your workflow: Find open frequencies fast with automatic scanning, then deploy them to transmitters using one-touch IR sync.

Experience expanded capabilities with ethernet networking. This allows you to use networked channel scanning across multiple receivers, remotely control settings from your computer via Wireless Workbench® software integration, and remote monitoring from iOS devices is also available (via the ShurePlus™ Channels Mobile App).

More about QLX-D Digital Wireless Systems

QLX-D® Digital Wireless systems deliver more wireless capacity to mid-size venues without compromising signal. Streamline setup across multiple receivers. The 24-bit digital audio and the wide frequency response capture the sound as clearly and accurately as it was produced. Wireless Workbench® software provides real-time access, monitoring, and control throughout the performance, allowing you to manage the system from your iOS device for maximum convenience. The rechargeable lithium-ion battery option extends performance on stage.

Shure QLXD4 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 ½ wave antennas
• Mic / line switchable XLR output
• ¼" Instrument output
• Durable aluminum construction with brushed finish

• QLXD4 Digital Wireless Receiver1
• PS24 Power supply1
• 1/2 Wave Antenna2
• BNC Cable2
• BNC Bulkhead Adapter2
• Rackmount Kit1
• Rackmount Bracket-Long1
• Rackmount Bracket-Short1
• Link plate1
• Receiver Rubber Feet4

• Dimensions (H × W × D)41 × 197 × 151 mm
• Weight (without antennas)777 g
• HousingSteel
• Power requirements12 V DC @ 0.4 A, supplied by external power supply (tip positive)
• RF Input
  • Spurious Rejection: > 80 dB, typical
  • Connector Type: BNC
  • Impedance: 50 Ω
• Audio Output
  • Gain 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 Ω (50 Ω Unbalanced) XLR: 100 Ω
    • Full Scale Output 1/4" (6.35 mm): +12 dBV
    • XLR: LINE setting = +18 dBV, MIC setting = −12 dBV vMic/Line Switch 30 dB pad
  • Phantom Power Protection
    • 1/4" (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