QLXD4 Digital Wireless Receiver

QLXD4 Digital Wireless Receiver

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

  • Works with QLX-D® Digital Wireless Systems
  • Features Ethernet networking and mobile monitoring and control capabilities
  • Includes QLXD4, hardware for rack-mounting, power supply, two 1/2 wave antennas, 2 BNC cables, 2 BNC bulkhead Adapters, and user guide

Product Details

Features
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.

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
 

Software & Downloads

Brochures

File Language Type File Size
QLX-D Digital Wireless Brochure English PDF 578 kb

CAD Drawings

File Language Type File Size
QLXD4 CAD Drawing English ZIP 374 kb

Specification Sheets

File Language Type File Size
QLX-D Specification Sheet English PDF 510 kb

User Guides

File Language Type File Size
QLX-D Wireless Quick Start User Guide English PDF 2.59 mb
QLX-D Wireless User Guide English PDF 2.93 mb

Firmware

Version

File Date Download Size
QLXD4 - Digital Wireless Receiver See release notes Posted January 05, 2017 Download PACK (845 kb)

IMPORTANT

QLX-D 2.X firmware versions are incompatible with 1.X firmware versions. To ensure all receivers and transmitters in a configuration function with each other, update all devices to the same firmware version.

IMPROVEMENTS

  • Support for new VHF frequency bands:
    • V50
    • V51
  • Update to the low-battery alert:
    • The receiver LCD reports the transmitter low-battery status by flashing the LCD on the receiver.
    • Threshold to trigger the alert
      • SB900: less than 30 minutes
      • Alkaline: around 30 minutes
      • NiMH and Lithium: around 20 minutes
    • Alert can be disabled via the advanced menu on the receiver. To enter the advanced menu, press the enter and menu buttons together.
  • Improved audio stability in marginal RF conditions

NOTES

  • For discovery of QLX-D devices with other Shure networked systems, see the following list of minimum firmware versions that are supported with QLX-D version 2.0.16:
    • Wireless Workbench 6.12.0.88
    • ULX-D receiver 2.0.19
    • AXT600 Spectrum Manager 1.15.3
    • PSM1000 Transmitter 1.3.12
  • For operation of QLX-D transmitters with ULX-D receivers and ULX-D transmitters with QLX-D receivers, all devices must be on 2.0 firmware or later.
File Date Download Size
QLXD4 - Digital Wireless Receiver See release notes Posted December 10, 2015 Download PACK (808 kb)

IMPROVEMENTS

  • Improved network stability.
  • Added new frequency bands:
    • Americas (except Brazil): X52: 902-928 MHz
    • Brazil: X53: 902-907.5, 915-928 MHz
    • Australia: X54: 915-928 MHz

NOTES

  • For operation of QLX-D devices with other Shure networked systems, see the following list of minimum firmware versions that are supported with QLX-D version 1.1.15:
    • ULXD1/2 ULX-D Transmitters 1.6.10
    • Wireless Workbench 6.11.3
File Date Download Size
QLXD4 - Digital Wireless Receiver See release notes Posted September 09, 2014 Download PACK (786 kb)

NOTES

  • Initial release
  • For operation of QLX-D devices with other Shure networked systems, see the following list of minimum firmware versions that are supported with QLX-D version 1.0.15:
    • ULXD1/2 ULX-D Transmitters 1.5.6
    • Wireless Workbench 6 version 6.10.0

Latest is 2.0.16

Version

File Date Download Size
QLXD4 - 900 MHz ISM Digital Wireless Receiver See release notes Posted January 05, 2017 Download PACK (839 kb)

IMPORTANT

QLX-D 2.X firmware versions are incompatible with 1.X firmware versions. To ensure all receivers and transmitters in a configuration function with each other, update all devices to the same firmware version.

IMPROVEMENTS

  • Support for new VHF frequency bands:
    • V50
    • V51
  • Update to the low-battery alert:
    • The receiver LCD reports the transmitter low-battery status by flashing the LCD on the receiver.
    • Threshold to trigger the alert
      • SB900: less than 30 minutes
      • Alkaline: around 30 minutes
      • NiMH and Lithium: around 20 minutes
    • Alert can be disabled via the advanced menu on the receiver. To enter the advanced menu, press the enter and menu buttons together.
  • Improved audio stability in marginal RF conditions

NOTES

  • For discovery of QLX-D devices with other Shure networked systems, see the following list of minimum firmware versions that are supported with QLX-D version 2.0.16:
    • Wireless Workbench 6.12.0.88
    • ULX-D receiver 2.0.19
    • AXT600 Spectrum Manager 1.15.3
    • PSM1000 Transmitter 1.3.12
  • For operation of QLX-D transmitters with ULX-D receivers and ULX-D transmitters with QLX-D receivers, all devices must be on 2.0 firmware or later.
File Date Download Size
QLXD4 - 900 MHz ISM Digital Wireless Receiver See release notes Posted December 10, 2015 Download PACK (803 kb)

IMPROVEMENTS

  • Improved network stability.
  • Added new frequency bands:
    • Americas (except Brazil): X52: 902-928 MHz
    • Brazil: X53: 902-907.5, 915-928 MHz
    • Australia: X54: 915-928 MHz

NOTES

  • For operation of QLX-D devices with other Shure networked systems, see the following list of minimum firmware versions that are supported with QLX-D version 1.1.15:
    • ULXD1/2 ULX-D Transmitters 1.6.10
    • Wireless Workbench 6.11.3

Latest is 2.0.16

Version

File Date Download Size
QLXD4 - Extended Bands Digital Wireless Receiver See release notes Posted January 05, 2017 Download PACK (845 kb)

IMPORTANT

QLX-D 2.X firmware versions are incompatible with 1.X firmware versions. To ensure all receivers and transmitters in a configuration function with each other, update all devices to the same firmware version.

IMPROVEMENTS

  • Support for new VHF frequency bands:
    • V50
    • V51
  • Update to the low-battery alert:
    • The receiver LCD reports the transmitter low-battery status by flashing the LCD on the receiver.
    • Threshold to trigger the alert
      • SB900: less than 30 minutes
      • Alkaline: around 30 minutes
      • NiMH and Lithium: around 20 minutes
    • Alert can be disabled via the advanced menu on the receiver. To enter the advanced menu, press the enter and menu buttons together.
  • Improved audio stability in marginal RF conditions

NOTES

  • For discovery of QLX-D devices with other Shure networked systems, see the following list of minimum firmware versions that are supported with QLX-D version 2.0.16:
    • Wireless Workbench 6.12.0.88
    • ULX-D receiver 2.0.19
    • AXT600 Spectrum Manager 1.15.3
    • PSM1000 Transmitter 1.3.12
  • For operation of QLX-D transmitters with ULX-D receivers and ULX-D transmitters with QLX-D receivers, all devices must be on 2.0 firmware or later.

 

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