System Details

Combining professional features with simplified setup and operation, QLX-D delivers outstanding wireless functionality for mid-size events and installations in businesses, hotels, and government offices with conferencing spaces; schools, houses of worship, and live performance spaces.
 
QLX-D reliably operates more channels on-air than any other wireless system in its class. Ethernet connection provides networked channel scanning across multiple receivers and Shure Wireless Workbench® 6 control software compatibility for advanced frequency coordination. 
 
Compatible with the Shure SB900A lithium-ion battery, QLX-D offers rechargeable power options that provide dramatic long-term cost savings and extended transmitter battery life over alkaline batteries, with battery metering that reports remaining runtime in hours and minutes.
 
Read our blog post Wireless Audio Software Trends and Shure Updates for a rundown on how Wireless Workbench and ShurePlus™ Channels software enhance the capabilities of Shure wireless systems and make remote monitoring easier.
 
Learn more about the reasons to choose UHF or VHF in our blog post The Search for Spectrum: Wireless Systems in the VHF Band.
 

Features

  • Transparent 24-bit digital audio captures every performance detail
  • Over 120 dB of dynamic range eliminates transmitter gain adjustments
  • Easy pairing of transmitters and receivers over IR scan and sync
  • Automatic channel scan quickly and easily finds a clean frequency
  • Networked channel scan configures open frequencies for connected receivers
  • Remote monitoring and control from iOS devices via ShurePlus™ Channels Mobile App
  • AES-256 encryption comes standard for secure wireless transmission
  • Elegant and easy-to-use interface with high-contrast LCD menu
  • AMX/Crestron control system ready
  • Professional-grade, all metal construction
Read our blog post Wireless Audio Software Trends and Shure Updates for a rundown on how Wireless Workbench and ShurePlus™ Channels software enhance the capabilities of Shure wireless systems and make remote monitoring easier.
 

 

Available Bands

Band (0.000 – 0.000 MHz)  
G50 (470.125 – 533.925 MHz)  
H50 (534.000 – 597.925 MHz)  
J50 (572.175 – 635.900 MHz)

Discontinued
J50A (572.125 – 615.850 MHz)  
L50 (632.175 – 695.900 MHz)

Discontinued
V50 (174.125 – 215.825 MHz)  
X52 (902.450 – 927.550 MHz)  

Which Band Should I Choose?

Find out which band for the QLX-D has the most available wireless channels in your location. Already own the QLX-D? Use the Wireless Frequency Finder Tool to find frequencies.

Related Products

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    Software & Downloads

    Architectural Specifications

    File Language Type File Size
    QLX-D Architectural Specs English PDF 33.1 kb

    Brochures

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

    CAD Drawings

    File Language Type File Size
    QLX-D CAD Drawings English ZIP 827 kb

    Wireless Frequency Compatibility Charts

    File Language Type File Size
    QLX-D Digital Wireless Compatibility Chart English PDF 473 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
    QLX-D Wireless User Guide

    Software

    File Language Type File Size
    Shure Update Utility 2.4.4 (64-bit Windows 7, 8, 10) ZIP 21.9 mb
    Shure Update Utility 2.4.4 (32-bit Windows 7, 8, 10) ZIP 20.7 mb
    Shure Update Utility 2.4.4 (64-bit macOS 10.12 - 10.14) ZIP 19.5 mb

    Firmware

    To install firmware for this product, Shure Update Utility is required. For more information, reference the Quick Start Guide for Shure Update Utility.

    Latest is 2.3.21

    Version

    File Date Download Size
    ULXD6/8 - Transmitters See release notes Posted February 28, 2019 Download PACK (286 kb)

    Important

    • Before ULX-D and QLX-D receivers can host or update ULXD6/8 firmware, they must be updated to the following minimum firmware versions:
      • ULXD4, ULXD4D, and ULXD4Q Receivers 2.1.16 or higher
      • QLXD4 Receivers 2.1.5 or higher
    • ULX-D 2.X firmware versions are incompatible with ULX-D or QLX-D 1.X firmware versions. To ensure all receivers and transmitters in a configuration function with each other, update all ULX-D devices to the same version.

    Improvement

    • Updated the firmware version number for the purpose of keeping all ULX-D firmware version numbers aligned for brand-new system installations.

    Known Issue

    • ULXD6/8 transmitters are not compatible with SystemOn 2.0-3.0.1.

    Notes

    • User Guide
    • To update firmware for ULXD6/8 transmitters with ULX-D or QLX-D receivers:
      1. Update receivers to the following minimum versions:
        • ULXD4, ULXD4D, and ULXD4Q Receivers 2.1.16 or higher
        • QLXD4 Receivers 2.1.5 or higher
      2. Using Shure Update Utility, download ULXD6/8 transmitter firmware to the receivers.
      3. Using the FW Update menu on a receiver, update transmitters.
    • To update ULXD6/8 transmitters firmware while they are docked in an SBC250/450/850 Networked Charging Station:
      1. Place transmitters on charging station and ensure charging station is connected to the network.
      2. Launch Shure Update Utility to find firmware updates.
      3. Download updates and select Send Updates.
    • To operate ULXD6/8 version 2.3.21 devices with other Shure networked systems and software, see the following list of recommended versions:
      • ULX-D ULXD1/2/6/8 Transmitters and ULXD4/4D/4Q Receivers 2.3.21
      • SBC250/450/850 Networked Charging Stations 2.3.6
      • QLX-D QLXD1/2 Transmitters and QLXD4 Receivers 2.2.11
      • Wireless Workbench 6.12.6
      • Shure Update Utility 2.4.3
      • ShurePlus Channels 1.4.2
    File Date Download Size
    QLXD4 - Digital Wireless Receiver See release notes Posted February 28, 2019 Download PACK (865 kb)

    Recommendation

    Update all QLX-D devices in a configuration to the same firmware version

    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 Thailand 174 – 210 MHz frequency band (V52)

    Notes

    • To operate QLX-D transmitters with ULX-D receivers and ULX-D transmitters with QLX-D receivers, all devices must be on version 2.X firmware or later.
    • To operate QLX-D version 2.3.8 devices with other Shure networked systems and software, see the following list of minimum versions:
      • ULX-D ULXD6/8 Transmitters 2.3.21
      • ULX-D ULXD4/4D/4Q Receivers 2.3.21
      • Axient AXT600 Spectrum Manager 2.1.22
      • PSM1000 P10T Transmitters 1.6.21
      • Wireless Workbench 6.12.6
      • Shure Update Utility 2.4.3
      • ShurePlus Channels 1.4.2
    QLXD1/2 - Wireless Transmitters See release notes Posted February 28, 2019 Download PACK (255 kb)

    Recommendation

    Update all QLX-D devices in a configuration to the same firmware version

    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 Thailand 174 – 210 MHz frequency band (V52)

    Notes

    • To operate QLX-D transmitters with ULX-D receivers and ULX-D transmitters with QLX-D receivers, all devices must be on version 2.X firmware or later.
    • To operate QLX-D version 2.3.8 devices with other Shure networked systems and software, see the following list of minimum versions:
      • ULX-D ULXD4/4D/4Q Receivers 2.3.21
      • Axient AXT600 Spectrum Manager 2.1.22
      • PSM1000 P10T Transmitters 1.6.21
      • Wireless Workbench 6.12.6
      • Shure Update Utility 2.4.3
      • ShurePlus Channels 1.4.2
    File Date Download Size
    ULXD6/8 - Transmitters See release notes Posted November 07, 2018 Download PACK (286 kb)

    Important

    • Before ULX-D and QLX-D receivers can host or update ULXD6/8 firmware, they must be updated to the following minimum firmware versions:
      • ULXD4, ULXD4D, and ULXD4Q Receivers 2.1.16 or higher
      • QLXD4 Receivers 2.1.5 or higher
    • ULX-D 2.X firmware versions are incompatible with ULX-D or QLX-D 1.X firmware versions. To ensure all receivers and transmitters in a configuration function with each other, update all ULX-D devices to the same version.

    Improvement

    • Changed version number to allow all ULX-D devices in a configuration to have the same firmware version.

    Known Issue

    • ULXD6/8 transmitters are not compatible with SystemOn 2.0-3.0.1.

    Notes

    • User Guide
    • To update firmware for ULXD6/8 transmitters with ULX-D or QLX-D receivers:
      1. Update receivers to the following minimum versions:
        • ULXD4, ULXD4D, and ULXD4Q Receivers 2.1.16 or higher
        • QLXD4 Receivers 2.1.5 or higher
      2. Using Shure Update Utility, download ULXD6/8 transmitter firmware to the receivers.
      3. Using the FW Update menu on a receiver, update transmitters.
    • To update ULXD6/8 transmitters firmware while they are docked in an SBC250/450/850 Networked Charging Station:
      1. Place transmitters on charging station and ensure charging station is connected to the network.
      2. Launch Shure Update Utility to find firmware updates.
      3. Download updates and select Send Updates.
    • To operate ULXD6/8 version 2.3.4 devices with other Shure networked systems and software, see the following list of minimum versions:
      • ULX-D ULXD1/2/6/8 Transmitters and ULXD4/4D/4Q Receivers 2.3.4
      • SBC250/450/850 Networked Charging Stations 2.3.4
      • QLX-D QLXD1/2 Transmitters and QLXD4 Receivers 2.2.11
      • Wireless Workbench 6.12.6
      • Shure Update Utility 2.4.3
      • ShurePlus Channels 1.4.2
    File Date Download Size
    ULXD6/8 - Transmitters See release notes Posted June 14, 2018 Download PACK (286 kb)

    Important

    • Before ULX-D and QLX-D receivers can host or update ULXD6/8 firmware, they must be updated to the following minimum firmware versions:
      • ULXD4, ULXD4D, and ULXD4Q Receivers 2.1.16 or higher
      • QLXD4 Receivers 2.1.5 or higher
    • ULX-D 2.X firmware versions are incompatible with ULX-D or QLX-D 1.X firmware versions. To ensure all receivers and transmitters in a configuration function with each other, update all ULX-D devices to the same version.

    Improvements

    • Support for new frequency bands
      • Latin America 632 – 696 MHz (L50)
      • Taiwan: 510-530 MHz (G62)
      • U.S. 572 – 616 MHz (J50A)
      • U.S. 653 – 663 MHz (L50A)
    • Bug fixes

    Known Issue

    • ULXD6/8 transmitters are not compatible with SystemOn 2.0-3.0.1

    Notes

    • ULXD6/8 User Guide
    • To update firmware for ULXD6/8 transmitters with ULX-D or QLX-D receivers:
      1. Update receivers to the following minimum versions:
        • ULXD4, ULXD4D, and ULXD4Q Receivers 2.1.16 or higher
        • QLXD4 Receivers 2.1.5 or higher
      2. Using Shure Update Utility, download ULXD6/8 transmitter firmware to the receivers.
      3. Using the FW Update menu on a receiver, update transmitters.
    • To update ULXD6/8 transmitters firmware while they are docked in an SBC250/450/850 Networked Charging Station:
      1. Place transmitters on charging station and ensure charging station is connected to the network.
      2. Launch Shure Update Utility to find firmware updates.
      3. Download updates and select Send Updates.
    • To operate ULXD6/8 version 2.2.24 devices with other Shure networked systems and software, see the following list of minimum versions:
      • ULX-D ULXD1/2/6/8 Transmitters and ULXD4/4D/4Q Receivers 2.2.24
      • SBC250/450/850 Networked Charging Stations 2.2.24
      • QLX-D QLXD1/2 Transmitters and QLXD4 Receivers 2.2.11
      • Wireless Workbench 6.12.4
      • Shure Update Utility 2.4.2
      • ShurePlus Channels 1.4.1
    File Date Download Size
    QLXD1/2 - Wireless Transmitters See release notes Posted May 22, 2018 Download PACK (254 kb)

    Recommendation

    Update all QLX-D devices in a configuration to the same firmware version

    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 frequency bands
      • U.S. 572 – 616 MHz (J50A)
      • U.S. 653 – 663 MHz (L50A)
    • Support for ULXD6/8 transmitters in a new frequency band for Latin America: 632 – 696 MHz (L50)
    • Bug fixes

    Notes

    • To operate QLX-D transmitters with ULX-D receivers and ULX-D transmitters with QLX-D receivers, all devices must be on version 2.X firmware or later.
    • To operate QLX-D version 2.2.11 devices with other Shure networked systems and software, see the following list of minimum versions:
      • ULX-D ULXD6/8 Transmitters 2.2.X
      • ULX-D ULXD4/4D/4Q Receivers 2.2.X
      • Axient AXT600 Spectrum Manager 2.1.11
      • PSM1000 P10T Transmitters 1.5.12
      • Wireless Workbench 6.12.4
      • Shure Update Utility 2.4.2
      • ShurePlus Channels 1.4.1
    QLXD4 - Digital Wireless Receiver See release notes Posted May 22, 2018 Download PACK (865 kb)

    Recommendation

    Update all QLX-D devices in a configuration to the same firmware version

    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 frequency bands
      • U.S. 572 – 616 MHz (J50A)
      • U.S. 653 – 663 MHz (L50A)
    • Support for ULXD6/8 transmitters in a new frequency band for Latin America: 632 – 696 MHz (L50)
    • Bug fixes

    Notes

    • To operate QLX-D transmitters with ULX-D receivers and ULX-D transmitters with QLX-D receivers, all devices must be on version 2.X firmware or later.
    • To operate QLX-D version 2.2.11 devices with other Shure networked systems and software, see the following list of minimum versions:
      • ULX-D ULXD6/8 Transmitters 2.2.X
      • ULX-D ULXD4/4D/4Q Receivers 2.2.X
      • Axient AXT600 Spectrum Manager 2.1.11
      • PSM1000 P10T Transmitters 1.5.12
      • Wireless Workbench 6.12.4
      • Shure Update Utility 2.4.2
      • ShurePlus Channels 1.4.1
    File Date Download Size
    ULXD6/8 - Transmitters See release notes Posted May 19, 2017 Download PACK (277 kb)

    NEW FEATURE

    • Initial release

    KNOWN ISSUE

    • ULXD6/8 version 2.1.16 transmitters are not compatible with SystemOn 2.1.

    NOTES

    • ULXD6/8 User Guide
    • To update firmware for ULXD6/8 transmitters with ULX-D or QLX-D receivers:
      1. Update receivers to the following minimum versions:
        • ULXD4, ULXD4D, ULXD4Q Receivers 2.1.16
        • QLXD4 Receivers 2.1.5 2
      2. Using Shure Update Utility, download ULXD6/8 transmitter firmware to the receivers.
      3. Using the FW Update menu on a receiver, update transmitters.
    • ULXD6/8 transmitters can receive firmware updates while docked in an SBC450 or SBC850 Networked Charging Station.
      1. Place transmitters on charging station and ensure charging station is connected to the network.
      2. Launch Shure Update Utility to find firmware updates.
      3. Download updates and click Send Updates.
    • To operate ULXD6/8 version 2.1.16 devices with other Shure networked systems and software, see the following list of minimum versions:
    File Date Download Size
    QLXD1/2 - Wireless Transmitters See release notes Posted May 19, 2017 Download PACK (262 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 frequency bands:
      • Europe: Z17: 1492 – 1525 MHz
      • Europe: Z18: 1785 – 1805 MHz
      • Australia: Z19: 1785 – 1800 MHz
      • Taiwan
        • Z20: 1790 – 1805 MHz
        • G62: 510 – 530 MHz
    • Compatibility with new products:
      • ULXD6 Wireless Boundary Microphone Transmitter
      • ULXD8 Wireless Gooseneck Base Transmitter
      • SBC450 4-Bay Networked Charging Station
      • SBC850 8-Bay Networked Charging Station
    • Bug fixes

    NOTE

    • To operate QLX-D transmitters with ULX-D receivers and ULX-D transmitters with QLX-D receivers, all devices must be on version 2.X firmware or later.
    • To operate QLX-D version 2.1.5 devices with other Shure networked systems and software, see the following list of minimum versions:
    QLXD4 - Digital Wireless Receiver See release notes Posted May 19, 2017 Download PACK (853 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 frequency bands:
      • Europe: Z17: 1492 – 1525 MHz
      • Europe: Z18: 1785 – 1805 MHz
      • Australia: Z19: 1785 – 1800 MHz
      • Taiwan
        • Z20: 1790 – 1805 MHz
        • G62: 510 – 530 MHz
    • Compatibility with new products:
      • ULXD6 Wireless Boundary Microphone Transmitter
      • ULXD8 Wireless Gooseneck Base Transmitter
      • SBC450 4-Bay Networked Charging Station
      • SBC850 8-Bay Networked Charging Station
    • Bug fixes

    NOTE

    • To operate QLX-D transmitters with ULX-D receivers and ULX-D transmitters with QLX-D receivers, all devices must be on version 2.X firmware or later.
    • To operate QLX-D version 2.1.5 devices with other Shure networked systems and software, see the following list of minimum versions:
    File Date Download Size
    QLXD1/2 - Wireless Transmitters See release notes Posted January 05, 2017 Download PACK (261 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.
    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
    QLXD1/2 - Wireless Transmitters See release notes Posted December 10, 2015 Download PACK (262 kb)

    IMPROVEMENTS

    • 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
    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
    File Date Download Size
    QLXD1/2 - Wireless Transmitters See release notes Posted September 09, 2014 Download PACK (255 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 2.3.21

    Version

    File Date Download Size
    ULXD6/8 900 MHz ISM Transmitters See release notes Posted February 28, 2019 Download PACK (293 kb)

    Important

    • Before ULX-D and QLX-D receivers can host or update ULXD6/8 firmware, they must be updated to the following minimum firmware versions:
      • ULXD4, ULXD4D, and ULXD4Q Receivers 2.1.16 or higher
      • QLXD4 Receivers 2.1.5 or higher
    • ULX-D 2.X firmware versions are incompatible with ULX-D or QLX-D 1.X firmware versions. To ensure all receivers and transmitters in a configuration function with each other, update all ULX-D devices to the same version.

    Improvement

    • Updated the firmware version number for the purpose of keeping all ULX-D firmware version numbers aligned for brand-new system installations.

    Known Issue

    • ULXD6/8 transmitters are not compatible with SystemOn 2.0-3.0.1.

    Notes

    • User Guide
    • To update firmware for ULXD6/8 transmitters with ULX-D or QLX-D receivers:
      1. Update receivers to the following minimum versions:
        • ULXD4, ULXD4D, and ULXD4Q Receivers 2.1.16 or higher
        • QLXD4 Receivers 2.1.5 or higher
      2. Using Shure Update Utility, download ULXD6/8 transmitter firmware to the receivers.
      3. Using the FW Update menu on a receiver, update transmitters.
    • To update ULXD6/8 transmitters firmware while they are docked in an SBC250/450/850 Networked Charging Station:
      1. Place transmitters on charging station and ensure charging station is connected to the network.
      2. Launch Shure Update Utility to find firmware updates.
      3. Download updates and select Send Updates.
    • To operate ULXD6/8 version 2.3.21 devices with other Shure networked systems and software, see the following list of recommended versions:
      • ULX-D ULXD1/2/6/8 Transmitters and ULXD4/4D/4Q Receivers 2.3.21
      • SBC250/450/850 Networked Charging Stations 2.3.6
      • QLX-D QLXD1/2 Transmitters and QLXD4 Receivers 2.2.11
      • Wireless Workbench 6.12.6
      • Shure Update Utility 2.4.3
      • ShurePlus Channels 1.4.2
    File Date Download Size
    QLXD4 - 900 MHz ISM Digital Wireless Receiver See release notes Posted February 28, 2019 Download PACK (859 kb)

    Recommendation

    Update all QLX-D devices in a configuration to the same firmware version

    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 Thailand 174 – 210 MHz frequency band (V52)

    Notes

    • To operate QLX-D transmitters with ULX-D receivers and ULX-D transmitters with QLX-D receivers, all devices must be on version 2.X firmware or later.
    • To operate QLX-D version 2.3.8 devices with other Shure networked systems and software, see the following list of minimum versions:
      • ULX-D ULXD6/8 Transmitters 2.3.21
      • ULX-D ULXD4/4D/4Q Receivers 2.3.21
      • Axient AXT600 Spectrum Manager 2.1.22
      • PSM1000 P10T Transmitters 1.6.21
      • Wireless Workbench 6.12.6
      • Shure Update Utility 2.4.3
      • ShurePlus Channels 1.4.2
    QLXD1/2 - 900 MHz ISM Wireless Transmitters See release notes Posted February 28, 2019 Download PACK (259 kb)

    Recommendation

    Update all QLX-D devices in a configuration to the same firmware version

    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 Thailand 174 – 210 MHz frequency band (V52)

    Notes

    • To operate QLX-D transmitters with ULX-D receivers and ULX-D transmitters with QLX-D receivers, all devices must be on version 2.X firmware or later.
    • To operate QLX-D version 2.3.8 devices with other Shure networked systems and software, see the following list of minimum versions:
      • ULX-D ULXD4/4D/4Q Receivers 2.3.21
      • Axient AXT600 Spectrum Manager 2.1.22
      • PSM1000 P10T Transmitters 1.6.21
      • Wireless Workbench 6.12.6
      • Shure Update Utility 2.4.3
      • ShurePlus Channels 1.4.2
    File Date Download Size
    ULXD6/8 900 MHz ISM Transmitters See release notes Posted November 07, 2018 Download PACK (293 kb)

    Important

    • Before ULX-D and QLX-D receivers can host or update ULXD6/8 firmware, they must be updated to the following minimum firmware versions:
      • ULXD4, ULXD4D, and ULXD4Q Receivers 2.1.16 or higher
      • QLXD4 Receivers 2.1.5 or higher
    • ULX-D 2.X firmware versions are incompatible with ULX-D or QLX-D 1.X firmware versions. To ensure all receivers and transmitters in a configuration function with each other, update all ULX-D devices to the same version.

    Version 2.3.4

    Release Date: 11/7/2018

    Improvement

    • Changed version number to allow all ULX-D devices in a configuration to have the same firmware version.

    Known Issue

    • ULXD6/8 transmitters are not compatible with SystemOn 2.0-3.0.1.

    Notes

    • User Guide
    • To update firmware for ULXD6/8 transmitters with ULX-D or QLX-D receivers:
      1. Update receivers to the following minimum versions:
        • ULXD4, ULXD4D, and ULXD4Q Receivers 2.1.16 or higher
        • QLXD4 Receivers 2.1.5 or higher
      2. Using Shure Update Utility, download ULXD6/8 transmitter firmware to the receivers.
      3. Using the FW Update menu on a receiver, update transmitters.
    • To update ULXD6/8 transmitters firmware while they are docked in an SBC250/450/850 Networked Charging Station:
      1. Place transmitters on charging station and ensure charging station is connected to the network.
      2. Launch Shure Update Utility to find firmware updates.
      3. Download updates and select Send Updates.
    • To operate ULXD6/8 version 2.3.4 devices with other Shure networked systems and software, see the following list of minimum versions:
      • ULX-D ULXD1/2/6/8 Transmitters and ULXD4/4D/4Q Receivers 2.3.4
      • SBC250/450/850 Networked Charging Stations 2.3.4
      • QLX-D QLXD1/2 Transmitters and QLXD4 Receivers 2.2.11
      • Wireless Workbench 6.12.6
      • Shure Update Utility 2.4.3
      • ShurePlus Channels 1.4.2
    File Date Download Size
    ULXD6/8 900 MHz ISM Transmitters See release notes Posted June 14, 2018 Download PACK (293 kb)

    Important

    • Before ULX-D and QLX-D receivers can host or update ULXD6/8 firmware, they must be updated to the following minimum firmware versions:
      • ULXD4, ULXD4D, and ULXD4Q Receivers 2.1.16 or higher
      • QLXD4 Receivers 2.1.5 or higher
    • ULX-D 2.X firmware versions are incompatible with ULX-D or QLX-D 1.X firmware versions. To ensure all receivers and transmitters in a configuration function with each other, update all ULX-D devices to the same version.

    Improvements

    • Support for new frequency bands
      • Latin America 632 – 696 MHz (L50)
      • Taiwan: 510-530 MHz (G62)
      • U.S. 572 – 616 MHz (J50A)
      • U.S. 653 – 663 MHz (L50A)
    • Bug fixes

    Known Issue

    • ULXD6/8 transmitters are not compatible with SystemOn 2.0-3.0.1

    Notes

    • ULXD6/8 User Guide
    • To update firmware for ULXD6/8 transmitters with ULX-D or QLX-D receivers:
      1. Update receivers to the following minimum versions:
        • ULXD4, ULXD4D, and ULXD4Q Receivers 2.1.16 or higher
        • QLXD4 Receivers 2.1.5 or higher
      2. Using Shure Update Utility, download ULXD6/8 transmitter firmware to the receivers.
      3. Using the FW Update menu on a receiver, update transmitters.
    • To update ULXD6/8 transmitters firmware while they are docked in an SBC250/450/850 Networked Charging Station:
      1. Place transmitters on charging station and ensure charging station is connected to the network.
      2. Launch Shure Update Utility to find firmware updates.
      3. Download updates and select Send Updates.
    • To operate ULXD6/8 version 2.2.24 devices with other Shure networked systems and software, see the following list of minimum versions:
      • ULX-D ULXD1/2/6/8 Transmitters and ULXD4/4D/4Q Receivers 2.2.24
      • SBC250/450/850 Networked Charging Stations 2.2.24
      • QLX-D QLXD1/2 Transmitters and QLXD4 Receivers 2.2.11
      • Wireless Workbench 6.12.4
      • Shure Update Utility 2.4.2
      • ShurePlus Channels 1.4.1
    File Date Download Size
    QLXD1/2 - 900 MHz ISM Wireless Transmitters See release notes Posted May 22, 2018 Download PACK (259 kb)

    Recommendation

    Update all QLX-D devices in a configuration to the same firmware version

    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 frequency bands
      • U.S. 572 – 616 MHz (J50A)
      • U.S. 653 – 663 MHz (L50A)
    • Support for ULXD6/8 transmitters in a new frequency band for Latin America: 632 – 696 MHz (L50)
    • Bug fixes

    Notes

    • To operate QLX-D transmitters with ULX-D receivers and ULX-D transmitters with QLX-D receivers, all devices must be on version 2.X firmware or later.
    • To operate QLX-D version 2.2.11 devices with other Shure networked systems and software, see the following list of minimum versions:
      • ULX-D ULXD6/8 Transmitters 2.2.X
      • ULX-D ULXD4/4D/4Q Receivers 2.2.X
      • Axient AXT600 Spectrum Manager 2.1.11
      • PSM1000 P10T Transmitters 1.5.12
      • Wireless Workbench 6.12.4
      • Shure Update Utility 2.4.2
      • ShurePlus Channels 1.4.1
    QLXD4 - 900 MHz ISM Digital Wireless Receiver See release notes Posted May 22, 2018 Download PACK (859 kb)

    Recommendation

    Update all QLX-D devices in a configuration to the same firmware version

    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 frequency bands
      • U.S. 572 – 616 MHz (J50A)
      • U.S. 653 – 663 MHz (L50A)
    • Support for ULXD6/8 transmitters in a new frequency band for Latin America: 632 – 696 MHz (L50)
    • Bug fixes

    Notes

    • To operate QLX-D transmitters with ULX-D receivers and ULX-D transmitters with QLX-D receivers, all devices must be on version 2.X firmware or later.
    • To operate QLX-D version 2.2.11 devices with other Shure networked systems and software, see the following list of minimum versions:
      • ULX-D ULXD6/8 Transmitters 2.2.X
      • ULX-D ULXD4/4D/4Q Receivers 2.2.X
      • Axient AXT600 Spectrum Manager 2.1.11
      • PSM1000 P10T Transmitters 1.5.12
      • Wireless Workbench 6.12.4
      • Shure Update Utility 2.4.2
      • ShurePlus Channels 1.4.1
    File Date Download Size
    ULXD6/8 900 MHz ISM Transmitters See release notes Posted May 19, 2017 Download PACK (284 kb)

    NEW FEATURE

    • Initial release

    KNOWN ISSUE

    • ULXD6/8 version 2.1.16 transmitters are not compatible with SystemOn 2.1.

    NOTES

    • ULXD6/8 User Guide
    • To update firmware for ULXD6/8 transmitters with ULX-D or QLX-D receivers:
      1. Update receivers to the following minimum versions:
        • ULXD4, ULXD4D, ULXD4Q Receivers 2.1.16
        • QLXD4 Receivers 2.1.5 2
      2. Using Shure Update Utility, download ULXD6/8 transmitter firmware to the receivers.
      3. Using the FW Update menu on a receiver, update transmitters.
    • ULXD6/8 transmitters can receive firmware updates while docked in an SBC450 or SBC850 Networked Charging Station.
      1. Place transmitters on charging station and ensure charging station is connected to the network.
      2. Launch Shure Update Utility to find firmware updates.
      3. Download updates and click Send Updates.
    • To operate ULXD6/8 version 2.1.16 devices with other Shure networked systems and software, see the following list of minimum versions:
    File Date Download Size
    QLXD1/2 - 900 MHz ISM Wireless Transmitters See release notes Posted May 19, 2017 Download PACK (261 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 frequency bands:
      • Europe: Z17: 1492 – 1525 MHz
      • Europe: Z18: 1785 – 1805 MHz
      • Australia: Z19: 1785 – 1800 MHz
      • Taiwan
        • Z20: 1790 – 1805 MHz
        • G62: 510 – 530 MHz
    • Compatibility with new products:
      • ULXD6 Wireless Boundary Microphone Transmitter
      • ULXD8 Wireless Gooseneck Base Transmitter
      • SBC450 4-Bay Networked Charging Station
      • SBC850 8-Bay Networked Charging Station
    • Bug fixes

    NOTE

    • To operate QLX-D transmitters with ULX-D receivers and ULX-D transmitters with QLX-D receivers, all devices must be on version 2.X firmware or later.
    • To operate QLX-D version 2.1.5 devices with other Shure networked systems and software, see the following list of minimum versions:
    QLXD4 - 900 MHz ISM Digital Wireless Receiver See release notes Posted May 19, 2017 Download PACK (847 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 frequency bands:
      • Europe: Z17: 1492 – 1525 MHz
      • Europe: Z18: 1785 – 1805 MHz
      • Australia: Z19: 1785 – 1800 MHz
      • Taiwan
        • Z20: 1790 – 1805 MHz
        • G62: 510 – 530 MHz
    • Compatibility with new products:
      • ULXD6 Wireless Boundary Microphone Transmitter
      • ULXD8 Wireless Gooseneck Base Transmitter
      • SBC450 4-Bay Networked Charging Station
      • SBC850 8-Bay Networked Charging Station
    • Bug fixes

    NOTE

    • To operate QLX-D transmitters with ULX-D receivers and ULX-D transmitters with QLX-D receivers, all devices must be on version 2.X firmware or later.
    • To operate QLX-D version 2.1.5 devices with other Shure networked systems and software, see the following list of minimum versions:
    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.
    QLXD1/2 - 900 MHz ISM Wireless Transmitters See release notes Posted January 05, 2017 Download PACK (260 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
    QLXD1/2 - 900 MHz ISM Wireless Transmitters See release notes Posted December 10, 2015 Download PACK (262 kb)

    IMPROVEMENTS

    • 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 2.3.8

    Version

    File Date Download Size
    QLXD4 - Extended Bands Digital Wireless Receiver See release notes Posted February 28, 2019 Download PACK (865 kb)

    Recommendation

    Update all QLX-D devices in a configuration to the same firmware version

    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 Thailand 174 – 210 MHz frequency band (V52)

    Notes

    • To operate QLX-D transmitters with ULX-D receivers and ULX-D transmitters with QLX-D receivers, all devices must be on version 2.X firmware or later.
    • To operate QLX-D version 2.3.8 devices with other Shure networked systems and software, see the following list of minimum versions:
      • ULX-D ULXD6/8 Transmitters 2.3.21
      • ULX-D ULXD4/4D/4Q Receivers 2.3.21
      • Axient AXT600 Spectrum Manager 2.1.22
      • PSM1000 P10T Transmitters 1.6.21
      • Wireless Workbench 6.12.6
      • Shure Update Utility 2.4.3
      • ShurePlus Channels 1.4.2
    QLXD1/2 - Extended Bands Wireless Transmitters See release notes Posted February 28, 2019 Download PACK (255 kb)

    Recommendation

    Update all QLX-D devices in a configuration to the same firmware version

    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 Thailand 174 – 210 MHz frequency band (V52)

    Notes

    • To operate QLX-D transmitters with ULX-D receivers and ULX-D transmitters with QLX-D receivers, all devices must be on version 2.X firmware or later.
    • To operate QLX-D version 2.3.8 devices with other Shure networked systems and software, see the following list of minimum versions:
      • ULX-D ULXD4/4D/4Q Receivers 2.3.21
      • Axient AXT600 Spectrum Manager 2.1.22
      • PSM1000 P10T Transmitters 1.6.21
      • Wireless Workbench 6.12.6
      • Shure Update Utility 2.4.3
      • ShurePlus Channels 1.4.2
    File Date Download Size
    QLXD1/2 - Extended Bands Wireless Transmitters See release notes Posted May 22, 2018 Download PACK (254 kb)

    Recommendation

    Update all QLX-D devices in a configuration to the same firmware version

    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 frequency bands
      • U.S. 572 – 616 MHz (J50A)
      • U.S. 653 – 663 MHz (L50A)
    • Support for ULXD6/8 transmitters in a new frequency band for Latin America: 632 – 696 MHz (L50)
    • Bug fixes

    Notes

    • To operate QLX-D transmitters with ULX-D receivers and ULX-D transmitters with QLX-D receivers, all devices must be on version 2.X firmware or later.
    • To operate QLX-D version 2.2.11 devices with other Shure networked systems and software, see the following list of minimum versions:
      • ULX-D ULXD6/8 Transmitters 2.2.X
      • ULX-D ULXD4/4D/4Q Receivers 2.2.X
      • Axient AXT600 Spectrum Manager 2.1.11
      • PSM1000 P10T Transmitters 1.5.12
      • Wireless Workbench 6.12.4
      • Shure Update Utility 2.4.2
      • ShurePlus Channels 1.4.1
    QLXD4 - Extended Bands Digital Wireless Receiver See release notes Posted May 22, 2018 Download PACK (865 kb)

    Recommendation

    Update all QLX-D devices in a configuration to the same firmware version

    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 frequency bands
      • U.S. 572 – 616 MHz (J50A)
      • U.S. 653 – 663 MHz (L50A)
    • Support for ULXD6/8 transmitters in a new frequency band for Latin America: 632 – 696 MHz (L50)
    • Bug fixes

    Notes

    • To operate QLX-D transmitters with ULX-D receivers and ULX-D transmitters with QLX-D receivers, all devices must be on version 2.X firmware or later.
    • To operate QLX-D version 2.2.11 devices with other Shure networked systems and software, see the following list of minimum versions:
      • ULX-D ULXD6/8 Transmitters 2.2.X
      • ULX-D ULXD4/4D/4Q Receivers 2.2.X
      • Axient AXT600 Spectrum Manager 2.1.11
      • PSM1000 P10T Transmitters 1.5.12
      • Wireless Workbench 6.12.4
      • Shure Update Utility 2.4.2
      • ShurePlus Channels 1.4.1
    File Date Download Size
    QLXD1/2 - Extended Bands Wireless Transmitters See release notes Posted May 19, 2017 Download PACK (262 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 frequency bands:
      • Europe: Z17: 1492 – 1525 MHz
      • Europe: Z18: 1785 – 1805 MHz
      • Australia: Z19: 1785 – 1800 MHz
      • Taiwan
        • Z20: 1790 – 1805 MHz
        • G62: 510 – 530 MHz
    • Compatibility with new products:
      • ULXD6 Wireless Boundary Microphone Transmitter
      • ULXD8 Wireless Gooseneck Base Transmitter
      • SBC450 4-Bay Networked Charging Station
      • SBC850 8-Bay Networked Charging Station
    • Bug fixes

    NOTE

    • To operate QLX-D transmitters with ULX-D receivers and ULX-D transmitters with QLX-D receivers, all devices must be on version 2.X firmware or later.
    • To operate QLX-D version 2.1.5 devices with other Shure networked systems and software, see the following list of minimum versions:
    QLXD4 - Extended Bands Digital Wireless Receiver See release notes Posted May 19, 2017 Download PACK (853 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 frequency bands:
      • Europe: Z17: 1492 – 1525 MHz
      • Europe: Z18: 1785 – 1805 MHz
      • Australia: Z19: 1785 – 1800 MHz
      • Taiwan
        • Z20: 1790 – 1805 MHz
        • G62: 510 – 530 MHz
    • Compatibility with new products:
      • ULXD6 Wireless Boundary Microphone Transmitter
      • ULXD8 Wireless Gooseneck Base Transmitter
      • SBC450 4-Bay Networked Charging Station
      • SBC850 8-Bay Networked Charging Station
    • Bug fixes

    NOTE

    • To operate QLX-D transmitters with ULX-D receivers and ULX-D transmitters with QLX-D receivers, all devices must be on version 2.X firmware or later.
    • To operate QLX-D version 2.1.5 devices with other Shure networked systems and software, see the following list of minimum versions:
    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.
    QLXD1/2 - Extended Bands Wireless Transmitters See release notes Posted January 05, 2017 Download PACK (261 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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