Product Details

Features

The ULXD2/SM58 Handheld Wireless Microphone Transmitter works with ULX-D Wireless Systems.

Note: When purchasing separate wireless components, please match their frequency bands to ensure proper system operation.

Features

  • AES 256-bit encryption for applications for which secure transmission is needed
  • Proprietary Shure Gain Ranging optimizes the system’s dynamic range for any input source, eliminating the need for transmitter gain adjustments
  • Optional Shure SB900A lithium-ion rechargeable battery pack provides over 12 hours of battery life, precision metering in hours and minutes, and zero memory effect
  • External charging contacts for docked charging (with the SBC200 Dual Docking Charger)
  • Transmitter Mute Mode repurposes the On/Off switch into a mute switch, enabling audio muting while preserving RF channel presence
  • Backlit LCD with easy to navigate menu and controls
  • Rugged metal construction
  • Frequency and power lockout
Applications

FCC Consumer Alert (U.S.)

Most users do not need a license to operate this wireless microphone system. Nevertheless, operating this microphone system without a license is subject to certain restrictions: the system may not cause harmful interference; it must operate at a low power level (not in excess of 50 milliwatts); and it has no protection from interference received from any other device. Purchasers should also be aware that the FCC is currently evaluating use of wireless microphone systems, and these rules are subject to change.

For more information, call the FCC at 1-888-CALL-FCC (TTY: 1-888-TELL-FCC) or visit the FCC’s wireless microphone website at www.fcc.gov/cgb/wirelessmicrophones.

Specifications
Battery Life Shure SB900A: >12 hours, Alkaline: 11 hours

Additional specifications are available in the user guide.

Accessories

Related Products

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    Software & Downloads

    Brochures

    File Language Type File Size
    ULX-D Brochure English PDF 3.39 mb

    CAD Drawings

    File Language Type File Size
    ULXD2-SM58 VHF CAD Drawing English ZIP 235 kb
    ULXD2 Handheld Transmitter CAD English ZIP 71.5 kb

    Specification Sheets

    File Language Type File Size
    ULX-D Specification Sheet English PDF 891 kb

    User Guides

    File Language Type File Size
    ULX-D Dual & Quad Wireless User Guide

    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 2.2.24

    Version

    File Date Download Size
    ULXD1/2 - Wireless Transmitter See release notes Posted June 14, 2018 Download PACK (504 kb)

    Important

    • 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 devices to the same firmware version.
    • Transmitters upgraded to version 2.2.24 should not be downgraded to versions 1.5.6 or earlier.

    Improvements

    • Support for new frequency bands:
      • U.S. 572 – 616 MHz (J50A)
      • U.S. 653 – 663 MHz (L50A)
    • Bug fixes, including fixing the issue of ULXD1/2 transmitters on version 2.2.23 getting reset to factory default settings after an update or downgrade.

    Known Issue

    • ULX-D devices on J50A or L50A frequency bands are not compatible with SystemOn 2.0-3.0.1

    Notes

    • User Guide
    • If your ULXD1/2 transmitter is on version 2.2.23, updating to version 2.2.24 will unexpectedly reset your ULXD1 to its factory default settings and your previous settings will need to be recovered via IR sync.
    • Transmitters upgraded to version 2.2.24 should not be downgraded to versions 1.5.6 or earlier.
    • ULXD1/2 transmitters used with receivers must be updated via IR sync. After a receiver is updated, follow these steps:
      1. Go to the receiver menu: DEVICE UTILITIES > TX FW UPDATE
      2. Align the infrared ports with the transmitter
      3. Press ENTER
    • Maintain an IR connection when updating transmitter firmware via IR sync. In rare occasions, upgrades from 1.5.6 or earlier to 1.6.6 or later can cause transmitters to become non-responsive temporarily. If the update fails and the unit is non-responsive, resolve the issue by following these steps:
      1. Using the Shure Update Utility, downgrade the firmware for the ULXD4/ULXD4D/ULXD4Q Receiver to 1.5.6 AND keep the desired transmitter firmware (1.6.6 or later).
      2. Update the transmitter firmware to 1.6.6 or later via IR menu. From the receiver menu: DEVICE UTILITIES > TX FW UPDATE. Align the infrared ports with the transmitter and then press ENTER.
      3. Upgrade receiver to 1.6.6 or later.
    • SystemOn 3.0.1 displays "Check system requirements, your current firmware version may not be confirmed compatible" for ULX-D version 2.2.24; however only ULX-D devices on J50A or L50A frequency bands are not compatible with SystemOn 3.0.1.
    • To operate ULX-D version 2.2.24 devices with other Shure networked systems and software, see the following list of minimum versions:
      • ULX-D ULXD4/4D/4Q Receivers 2.2.24
      • QLX-D QLXD1/2 Transmitters and QLXD4 Receivers 2.2.11
      • Axient AXT600 Spectrum Manager 2.1.11
      • Wireless Workbench  6.12.4
      • Shure Update Utility 2.4.2
      • ShurePlus Channels 1.4.1
      • SystemOn 3.0.1
    File Date Download Size
    ULXD1/2 - Wireless Transmitter See release notes Posted May 19, 2017 Download PACK (200 kb)

    IMPORTANT

    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 devices to the same firmware version.

    IMPROVEMENTS

    • 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
    • New TPCI commands for charging stations, receivers, and transmitters
    • Bug fixes
      • Custom groups for AB/JB bands now correctly transfer via IR sync
      • Antenna power alert will persist until it is cleared
      • Fixed a sporadic issue of transmitter firmware updates failing

    KNOWN ISSUE

    • ULX-D version 2.1.16 is not compatible with SystemOn 2.1

    NOTES

    • ULXD1/2 transmitters used with receivers must be updated via IR sync. After a receiver is updated, follow these steps:
      1. Go to the receiver menu: DEVICE UTILITIES > TX FW UPDATE
      2. Align the infrared ports with the transmitter
      3. Press ENTER
    • Maintain an IR connection when updating transmitter firmware via IR sync. In rare occasions, upgrades from 1.5.6 or earlier to 1.6.6 or later can cause transmitters to become non-responsive temporarily. If the update fails and the unit is non-responsive, resolve the issue by following these steps:
      • Using the Shure Update Utility, downgrade the firmware for the ULXD4/ULXD4D/ULXD4Q Receiver to 1.5.6 AND keep the desired transmitter firmware (1.6.6 or later).
      • Update the transmitter firmware to 1.6.6 or later via IR menu. From the receiver menu: DEVICE UTILITIES > TX FW UPDATE. Align the infrared ports with the transmitter and then press ENTER.
      • Upgrade receiver to 1.6.6 or later.
    • To operate ULX-D devices on version 2.1.16 with other Shure networked systems and software, see the following list of minimum software versions:
    File Date Download Size
    ULXD1/2 - Wireless Transmitter See release notes Posted March 02, 2017 Download PACK (200 kb)

    Important

    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 devices to the same firmware version.

    Improvements

    • Improved large-scale network stability: In some cases of very large installations with earlier firmware versions, units occasionally would drop off the network and not be visible via WWB6 or other remote networking access. Version 2.0.28 resolves the issue and increases overall network stability.
    • Added 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
    • Bug fixes

    Notes

    • Update all transmitters used with receivers via IR. After the receiver is updated, follow these steps:
      1. Go to the receiver menu: DEVICE UTILITIES > TX FW UPDATE
      2. Align the infrared ports with the transmitter
      3. Press ENTER.
    • Maintain an IR connection when updating transmitter firmware via IR sync. In rare occasions, upgrades from 1.5.6 or earlier to 1.6.6 or later can cause transmitters to become non-responsive temporarily. If the update fails and the unit is non-responsive, resolve the issue by following these steps:
      1. Using the Shure Update Utility, downgrade the firmware for the ULXD4/ULXD4D/ULXD4Q Receiver to 1.5.6 AND keep the desired transmitter firmware (1.6.6 or later).
      2. Update the transmitter firmware to 1.6.6 or later via IR menu. From the receiver menu: DEVICE UTILITIES > TX FW UPDATE. Align the infrared ports with the transmitter and then press ENTER.
      3. Upgrade receiver to 1.6.6 or later.
    • For operation of ULX-D devices with other Shure networked systems, see the following list of minimum firmware versions that are supported with ULX-D version 2.0.28:
    • ULX-D 2.0.19 (release date: 9/16/2016) is no longer available in the firmware library. Release notes remain available for reference:
      • New Features
        • Support for Access Control, which allows users to specify PINs for networked devices to restrict access to them from unauthenticated Shure control software.
        • AMX/Crestron control string to get the ULXD firmware version.
          • Command: < GET FW_VER >
        • Ability to reverse polarity on ULXD1 and ULXD1LEMO3 bodypacks. To reverse polarity, use these options:
          • Bodypack Utilities menu: UTILITY > POLARITY
          • Save the IR preset on the receiver and then IR sync to the bodypack to incorporate the polarity change: IR PRESETS > BP POLARITY
      • Improvements
        • Added new VHF frequency bands:
          • V50
          • V51
        • Dante™ update to software version 3.9.6.1 and firmware version 4.0.0.6
        • Improved audio stability in marginal RF conditions
      • Known Issues
        • ShurePlus Channels version 1.2 does not support ULX-D firmware version 2.0 or later.
        • QLX-D firmware version 1.1.15 or earlier does not support ULX-D firmware version 2.0 or later.
      • Notes
        • Users must update all transmitters used with receivers via IR. After the receiver is updated, follow these steps:
          1. Go to the receiver menu: DEVICE UTILITIES > TX FW UPDATE
          2. Align the infrared ports with the transmitter
          3. Press ENTER.
        • When updating transmitter firmware via IR sync, please ensure IR connection is maintained because, in rare occasions, upgrades from 1.5.6 or earlier to 1.6.6 or later can cause transmitters to temporarily become non-responsive. If the update fails and the unit is non-responsive, resolve the issue by following these steps:
          1. Using the Shure Update Utility, downgrade the firmware for the ULXD4/ULXD4D/ULXD4Q Receiver to 1.5.6 AND keep the desired transmitter firmware (1.6.6 or latest version).
          2. Update the transmitter firmware to 1.6.6 or the latest version via IR menu. From the receiver menu: DEVICE UTILITIES > TX FW UPDATE. Align the infrared ports with the transmitter and then press ENTER.
          3. Upgrade receiver to 1.6.6 or latest version.
        • For operation of ULX-D devices with other Shure networked systems, see the following list of minimum firmware versions that are supported with ULX-D version 2.0.19:
          • ULX-D ULXD1/2 Transmitters and ULXD4, ULXD4D, ULXD4Q Receivers 2.0.19
          • Wireless Workbench 6.12
          • Shure Update Utility 2.2.2.8
    File Date Download Size
    ULXD1/2 - Wireless Transmitter See release notes Posted December 10, 2015 Download PACK (204 kb)

    RECOMMENDATION

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

    IMPROVEMENT

    • Added new frequency band Z16 (1240 – 1260 MHz) for Japan

    NOTES

    • Fixed bug relating to encryption mismatch conditions.
    • Fixed IR LED behavior when firmware updating transmitters.
    • Transmitters to be used with receivers must be updated via IR. After the receiver is updated, follow these steps:
      1. Go to the receiver menu: DEVICE UTILITIES > TX FW UPDATE
      2. Align the infrared ports with the transmitter
      3. Press ENTER.
    • When updating transmitter firmware via IR sync, please use caution to not lose IR connection, as it’s possible in rare occasions for upgrades from 1.5.6 or earlier to 1.6.6 or later to cause transmitters to temporarily become non-responsive. If the update fails and the unit is non-responsive, resolve the issue by following these steps:
      1. Using the Shure Update Utility, downgrade the firmware for the ULXD4/ULXD4D/ULXD4Q Receiver to 1.5.6 AND keep the desired transmitter firmware (1.6.6 or latest version).
      2. Update the transmitter firmware to 1.6.6 or the latest version via IR menu. From the receiver menu: DEVICE UTILITIES > TX FW UPDATE. Align the infrared ports with the transmitter and then press ENTER.
      3. Upgrade receiver to 1.6.6 or latest version.
    • For operation of ULX-D devices with other Shure networked systems, see the following list of minimum firmware versions that are supported with ULX-D version 1.7.34:
      • QLX-D receiver 1.0.15
    File Date Download Size
    ULXD1/2 - Wireless Transmitter See release notes Posted October 20, 2015 Download PACK (204 kb)

    NEW FEATURE

    • ULXD4, ULXD4D, and ULXD4Q receivers can now power two UA864 antennas in parallel per receiver input for a total of four antennas. To view an example of a similar setup, with different antennas, see the FAQ: Antenna Distribution – 2 Rooms, 4 Antennas, which also includes information on how to modify the UA221 passive antenna accessory.

    NOTES

    • Transmitters to be used with receivers must be updated via IR. After the receiver is updated, follow these steps:
      1. Go to the receiver menu: DEVICE UTILITIES > TX FW UPDATE
      2. Align the infrared ports with the transmitter
      3. Press ENTER.
    • When updating transmitter firmware via IR sync, please use caution to not lose IR connection, as it’s possible in rare occasions for upgrades from 1.5.6 or earlier to 1.6.6 or later to cause transmitters to temporarily become non-responsive. If the update fails and the unit is non-responsive, resolve the issue by following these steps:
      1. Using the Shure Update Utility, downgrade the firmware for the ULXD4/ULXD4D/ULXD4Q Receiver to 1.5.6 AND keep the desired transmitter firmware (1.6.6 or latest version).
      2. Update the transmitter firmware to 1.6.6 or the latest version via IR menu. From the receiver menu: DEVICE UTILITIES > TX FW UPDATE. Align the infrared ports with the transmitter and then press ENTER.
      3. Upgrade receiver to 1.6.6 or latest version.
    • For operation of ULX-D devices with other Shure networked systems, see the following list of minimum firmware versions that are supported with ULX-D version 1.6.11:
      • QLX-D receiver 1.0.15
    File Date Download Size
    ULXD1/2 - Wireless Transmitter See release notes Posted July 09, 2015 Download PACK (204 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

    • Transmitters to be used with receivers must be updated via IR. After the receiver is updated, follow these steps:
      1. Go to the receiver menu: DEVICE UTILITIES > TX FW UPDATE
      2. Align the infrared ports with the transmitter
      3. Press ENTER.
    • When updating transmitter firmware via IR sync, please use caution to not lose IR connection, as it’s possible in rare occasions for upgrades from 1.5.6 or earlier to 1.6.7 or later to cause transmitters to temporarily become non-responsive. If the update fails and the unit is non-responsive, resolve the issue by following these steps:
      1. Using the Shure Update Utility, downgrade the firmware for the ULXD4/ULXD4D/ULXD4Q Receiver to 1.5.6 AND keep the desired transmitter firmware (1.6.7 or latest version).
      2. Update the transmitter firmware to 1.6.7 or the latest version via IR menu. From the receiver menu: DEVICE UTILITIES > TX FW UPDATE. Align the infrared ports with the transmitter and then press ENTER.
      3. Upgrade receiver to 1.6.7 or latest version.
    • For operation of ULX-D devices with other Shure networked systems, see the following list of minimum firmware versions that are supported with ULX-D version 1.6.10:
      • QLX-D receiver 1.0.15
    File Date Download Size
    ULXD1/2 - Wireless Transmitter See release notes Posted May 29, 2015 Download PACK (204 kb)

    NOTES

    • When updating Transmitter firmware via IR sync, please use caution to not lose IR connection, as it’s possible in rare occasions for upgrades from 1.5.6 or earlier to 1.6.7 or later to cause transmitters to temporarily become non-responsive. If the update fails and the unit is non-responsive, please follow the steps below to resolve the issue:
      1. Using the Shure Update Utility, downgrade the firmware for the ULXD4/ULXD4D/ULXD4Q Receiver to 1.5.6 AND keep the desired Transmitter firmware (1.6.7 or latest version).
      2. Update the transmitter firmware to 1.6.7 or the latest version via IR menu on the receiver by selecting Device Utilities > TX FW Update and aligning the infrared ports with the transmitter before selecting ‘ENTER’.
      3. Upgrade receiver to 1.6.7 or latest version.
    • For operation of ULX-D devices with other Shure networked systems, see the following list of minimum firmware versions that are supported with ULX-D version 1.6.7:
      • ULX-D ULXD1/2 Transmitters and ULXD4, ULXD4D, ULXD4Q Receivers 1.5.6
      • Axient AXT400 Receivers and AXT600 Spectrum Managers 1.15.3
      • Wireless Workbench 6 version 6.10.3
    File Date Download Size
    ULXD1/2 - Wireless Transmitter See release notes Posted February 04, 2015 Download PACK (204 kb)

    NOTES

    • When updating Transmitter firmware via IR sync, please use caution to not lose IR connection, as it’s possible in rare occasions for upgrades from 1.5.6 or earlier to 1.6.6 or later to cause transmitters to temporarily become non-responsive. If the update fails and the unit is non-responsive, please follow the steps below to resolve the issue:
      • Using the Shure Update Utility, downgrade the firmware for the ULXD4/ULXD4D/ULXD4Q Receiver to 1.5.6 AND keep the desired Transmitter firmware (1.6.6 or latest version).
      • Update the transmitter firmware to 1.6.6 or the latest version via IR menu on the receiver by selecting Device Utilities > TX FW Update and aligning the infrared ports with the transmitter before selecting ‘ENTER’.
      • Upgrade receiver to 1.6.6 or latest version.
    • For operation of ULX-D devices with other Shure networked systems, see the following list of minimum firmware versions that are supported with ULX-D version 1.6.6:
      • ULX-D ULXD1/2 Transmitters and ULXD4, ULXD4D, ULXD4Q Receivers 1.5.6
      • Axient AXT400 Receivers and AXT600 Spectrum Managers 1.15.3
      • Wireless Workbench 6 version 6.10.3
    File Date Download Size
    ULXD1/2 - Wireless Transmitter See release notes Posted June 25, 2014 Download PACK (203 kb)

    NEW FEATURES

    • ULX-D/QLX-D Interoperability support. This release is required to support using ULX-D transmitters with QLX-D receivers. The following limitations apply:
      • QLX-D transmitters must be manually tuned to the same frequency as ULX-D receivers.
      • Encryption must be disabled on both systems.
      • QLX-D will not display transmitter type, but Wireless Workbench 6 will display the transmitter type as ULXD1/ULXD2.

    NOTES

    • After updating the ULXD4 Single Receiver the user is required to reset the unit to Default Settings (DEVICE UTILITIES/SYSTEM RESET/RESTORE/DEFAULT SETTINGS).
    • For operation of ULX-D devices with other Shure networked systems, see the following list of minimum firmware versions that are supported with ULX-D version 1.5.6:
      • ULX-D ULXD1/2 Transmitters and ULXD4, ULXD4D, ULXD4Q Receivers 1.5.6
      • Axient AXT400 Receivers and AXT600 Spectrum Managers 1.15.3
      • Wireless Workbench 6 version 6.10.0
    File Date Download Size
    ULXD1/2 - Wireless Transmitter See release notes Posted April 07, 2014 Download PACK (203 kb)

    NOTES

    • After updating the ULXD4 Single Receiver the user is required to reset the unit to Default Settings (DEVICE UTILITIES/SYSTEM RESET/RESTORE/DEFAULT SETTINGS).
    • For operation of ULX-D devices with other Shure networked systems, see the following list of minimum firmware versions that are supported with ULX-D version 1.4.18:
      • ULXD1/2 ULX-D Transmitters 1.4.18
      • ULXD4, ULXD4D, ULXD4Q ULX-D Receivers 1.4.18
      • AXT400 Axient Receiver 1.14.6
      • Wireless Workbench 6 version 6.9.0
    File Date Download Size
    ULXD1/2 - Wireless Transmitter See release notes Posted January 30, 2014 Download PACK (203 kb)

    NOTES

    • After updating the ULXD4 Single Receiver the user is required to reset the unit to Default Settings (DEVICE UTILITIES/SYSTEM RESET/RESTORE/DEFAULT SETTINGS).
    • For operation of ULX-D devices with other Shure networked systems, see the following list of minimum firmware versions that are supported with ULX-D version 1.4.14:
      • ULXD1/2 ULXD Transmitters 1.4.14
      • ULXD4, ULXD4D, ULXD4Q ULX-D Receivers 1.4.14
      • AXT400 Axient Receiver 1.14.6
      • Wireless Workbench 6 version 6.9.0
    File Date Download Size
    ULXD1/2 - Wireless Transmitter See release notes Posted December 09, 2013 Download PACK (203 kb)

    NOTES

    • Transmitters to be used with receivers must be updated via IR. After updating the receiver, select Device Utilities>TX FW Update> from the receiver menu and align the infrared ports with the transmitter before selecting ‘ENTER’.
    • For operation of ULX-D devices with other Shure networked systems, see the following list of minimum firmware versions that are supported with ULX-D version 1.4.8:
      • ULXD1/2 ULXD Transmitters 1.4.8
      • ULXD4, ULXD4D, ULXD4Q ULX-D Receivers 1.4.8
      • AXT400 Axient Receiver 1.13.5
      • Wireless Workbench 6 Beta version 6.8.1
    File Date Download Size
    ULXD1/2 - Wireless Transmitter See release notes Posted July 03, 2013 Download PACK (201 kb)

    NEW FEATURES

    • Transmitter "Mute Mode"
      • A mode that changes the functionality of transmitter power switch from "power on/off" to "mute on/off". This feature is enabled/disabled through the transmitter menu, within the UTILITIES section of the menu structure. This functionality as also been added to the IR PRESETS list.
      • Transmitters will communicate via the side channel when/if Mute Mode has been engaged (displayed in Wireless Workbench) and when/if the transmitter has been muted (displayed in Wireless Workbench and the receiver).

    IMPROVEMENTS

    • Added support for the X51 frequency band for use in Korea
    • Minor UI text changes for consistency across wireless lines and in Wireless Workbench.

    NOTES

    • After updating a ULX-D transmitter from any firmware version to 1.3.6, the transmitter will factory reset itself automatically.
    • For operation of ULX-D devices with other Shure networked systems, see the following list of minimum firmware versions that are supported with ULX-D version 1.3.6:
      • ULXD1/2 ULXD Transmitters 1.3.6
      • ULXD4, ULXD4D, ULXD4Q ULX-D Receivers 1.3.6
      • AXT400 Axient Receiver 1.10.2
      • Wireless Workbench 6 Beta version 6.6.1
    File Date Download Size
    ULXD1/2 - Wireless Transmitter See release notes Posted July 09, 2012 Download PACK (199 kb)

    NEW FEATURES

    IMPROVEMENTS

    • Extended control of several parameters within Wireless Workbench, including Frequency Diversity Bodypack Source Indication (for ULX-D Dual and Quad receivers only)
    • Various system and component bug fixes and improvements

    NOTES

    • For operation of ULX-D devices with other Shure networked systems, see the following list of minimum firmware versions that are supported with ULX-D version 1.2.14:
      • ULXD1/2 ULXD Transmitters 1.2.14
      • ULXD4, ULXD4D, ULXD4Q ULX-D Receivers 1.2.14
      • Wireless Workbench 6 Beta version 6.4.0
    File Date Download Size
    ULXD1/2 - Wireless Transmitter Posted April 25, 2012 Download PACK (200 kb)

    Latest is 2.2.24

    Version

    File Date Download Size
    ULXD1/2 - 900 MHz ISM Wireless Transmitter See release notes Posted June 14, 2018 Download PACK (518 kb)

    Important

    • 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 devices to the same firmware version.
    • Transmitters upgraded to version 2.2.24 should not be downgraded to versions 1.5.6 or earlier.

    Improvements

    • Support for new frequency bands:
      • U.S. 572 – 616 MHz (J50A)
      • U.S. 653 – 663 MHz (L50A)
    • Bug fixes, including fixing the issue of ULXD1/2 transmitters on version 2.2.23 getting reset to factory default settings after an update or downgrade.

    Known Issue

    • ULX-D devices on J50A or L50A frequency bands are not compatible with SystemOn 2.0-3.0.1

    Notes

    • User Guide
    • If your ULXD1/2 transmitter is on version 2.2.23, updating to version 2.2.24 will unexpectedly reset your ULXD1 to its factory default settings and your previous settings will need to be recovered via IR sync.
    • Transmitters upgraded to version 2.2.24 should not be downgraded to versions 1.5.6 or earlier.
    • ULXD1/2 transmitters used with receivers must be updated via IR sync. After a receiver is updated, follow these steps:
      1. Go to the receiver menu: DEVICE UTILITIES > TX FW UPDATE
      2. Align the infrared ports with the transmitter
      3. Press ENTER
    • Maintain an IR connection when updating transmitter firmware via IR sync. In rare occasions, upgrades from 1.5.6 or earlier to 1.6.6 or later can cause transmitters to become non-responsive temporarily. If the update fails and the unit is non-responsive, resolve the issue by following these steps:
      1. Using the Shure Update Utility, downgrade the firmware for the ULXD4/ULXD4D/ULXD4Q Receiver to 1.5.6 AND keep the desired transmitter firmware (1.6.6 or later).
      2. Update the transmitter firmware to 1.6.6 or later via IR menu. From the receiver menu: DEVICE UTILITIES > TX FW UPDATE. Align the infrared ports with the transmitter and then press ENTER.
      3. Upgrade receiver to 1.6.6 or later.
    • SystemOn 3.0.1 displays "Check system requirements, your current firmware version may not be confirmed compatible" for ULX-D version 2.2.24; however only ULX-D devices on J50A or L50A frequency bands are not compatible with SystemOn 3.0.1.
    • To operate ULX-D version 2.2.24 devices with other Shure networked systems and software, see the following list of minimum versions:
      • ULX-D ULXD4/4D/4Q Receivers 2.2.24
      • QLX-D QLXD1/2 Transmitters and QLXD4 Receivers 2.2.11
      • Axient AXT600 Spectrum Manager 2.1.11
      • Wireless Workbench  6.12.4
      • Shure Update Utility 2.4.2
      • ShurePlus Channels 1.4.1
      • SystemOn 3.0.1
    File Date Download Size
    ULXD1/2 - 900 MHz ISM Wireless Transmitter See release notes Posted May 19, 2017 Download PACK (206 kb)

    IMPORTANT

    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 devices to the same firmware version.

    IMPROVEMENTS

    • 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
    • New TPCI commands for charging stations, receivers, and transmitters
    • Bug fixes
      • Custom groups for AB/JB bands now correctly transfer via IR sync
      • Antenna power alert will persist until it is cleared
      • Fixed a sporadic issue of transmitter firmware updates failing

    KNOWN ISSUE

    • ULX-D version 2.1.16 is not compatible with SystemOn 2.1

    NOTES

    • ULXD1/2 transmitters used with receivers must be updated via IR sync. After a receiver is updated, follow these steps:
      1. Go to the receiver menu: DEVICE UTILITIES > TX FW UPDATE
      2. Align the infrared ports with the transmitter
      3. Press ENTER
    • Maintain an IR connection when updating transmitter firmware via IR sync. In rare occasions, upgrades from 1.5.6 or earlier to 1.6.6 or later can cause transmitters to become non-responsive temporarily. If the update fails and the unit is non-responsive, resolve the issue by following these steps:
      • Using the Shure Update Utility, downgrade the firmware for the ULXD4/ULXD4D/ULXD4Q Receiver to 1.5.6 AND keep the desired transmitter firmware (1.6.6 or later).
      • Update the transmitter firmware to 1.6.6 or later via IR menu. From the receiver menu: DEVICE UTILITIES > TX FW UPDATE. Align the infrared ports with the transmitter and then press ENTER.
      • Upgrade receiver to 1.6.6 or later.
    • To operate ULX-D devices on version 2.1.16 with other Shure networked systems and software, see the following list of minimum software versions:
    File Date Download Size
    ULXD1/2 - 900 MHz ISM Wireless Transmitter See release notes Posted March 02, 2017 Download PACK (206 kb)

    Important

    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 devices to the same firmware version.

    Improvements

    • Improved large-scale network stability: In some cases of very large installations with earlier firmware versions, units occasionally would drop off the network and not be visible via WWB6 or other remote networking access. Version 2.0.28 resolves the issue and increases overall network stability.
    • Added 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
    • Bug fixes

    Notes

    • Update all transmitters used with receivers via IR. After the receiver is updated, follow these steps:
      1. Go to the receiver menu: DEVICE UTILITIES > TX FW UPDATE
      2. Align the infrared ports with the transmitter
      3. Press ENTER.
    • Maintain an IR connection when updating transmitter firmware via IR sync. In rare occasions, upgrades from 1.5.6 or earlier to 1.6.6 or later can cause transmitters to become non-responsive temporarily. If the update fails and the unit is non-responsive, resolve the issue by following these steps:
      1. Using the Shure Update Utility, downgrade the firmware for the ULXD4/ULXD4D/ULXD4Q Receiver to 1.5.6 AND keep the desired transmitter firmware (1.6.6 or later).
      2. Update the transmitter firmware to 1.6.6 or later via IR menu. From the receiver menu: DEVICE UTILITIES > TX FW UPDATE. Align the infrared ports with the transmitter and then press ENTER.
      3. Upgrade receiver to 1.6.6 or later.
    • For operation of ULX-D devices with other Shure networked systems, see the following list of minimum firmware versions that are supported with ULX-D version 2.0.28:
    • ULX-D 2.0.19 (release date: 9/16/2016) is no longer available in the firmware library. Release notes remain available for reference:
      • New Features
        • Support for Access Control, which allows users to specify PINs for networked devices to restrict access to them from unauthenticated Shure control software.
        • AMX/Crestron control string to get the ULXD firmware version.
          • Command: < GET FW_VER >
        • Ability to reverse polarity on ULXD1 and ULXD1LEMO3 bodypacks. To reverse polarity, use these options:
          • Bodypack Utilities menu: UTILITY > POLARITY
          • Save the IR preset on the receiver and then IR sync to the bodypack to incorporate the polarity change: IR PRESETS > BP POLARITY
      • Improvements
        • Added new VHF frequency bands:
          • V50
          • V51
        • Dante™ update to software version 3.9.6.1 and firmware version 4.0.0.6
        • Improved audio stability in marginal RF conditions
      • Known Issues
        • ShurePlus Channels version 1.2 does not support ULX-D firmware version 2.0 or later.
        • QLX-D firmware version 1.1.15 or earlier does not support ULX-D firmware version 2.0 or later.
      • Notes
        • Users must update all transmitters used with receivers via IR. After the receiver is updated, follow these steps:
          1. Go to the receiver menu: DEVICE UTILITIES > TX FW UPDATE
          2. Align the infrared ports with the transmitter
          3. Press ENTER.
        • When updating transmitter firmware via IR sync, please ensure IR connection is maintained because, in rare occasions, upgrades from 1.5.6 or earlier to 1.6.6 or later can cause transmitters to temporarily become non-responsive. If the update fails and the unit is non-responsive, resolve the issue by following these steps:
          1. Using the Shure Update Utility, downgrade the firmware for the ULXD4/ULXD4D/ULXD4Q Receiver to 1.5.6 AND keep the desired transmitter firmware (1.6.6 or latest version).
          2. Update the transmitter firmware to 1.6.6 or the latest version via IR menu. From the receiver menu: DEVICE UTILITIES > TX FW UPDATE. Align the infrared ports with the transmitter and then press ENTER.
          3. Upgrade receiver to 1.6.6 or latest version.
        • For operation of ULX-D devices with other Shure networked systems, see the following list of minimum firmware versions that are supported with ULX-D version 2.0.19:
          • ULX-D ULXD1/2 Transmitters and ULXD4, ULXD4D, ULXD4Q Receivers 2.0.19
          • Wireless Workbench 6.12
          • Shure Update Utility 2.2.2.8
    File Date Download Size
    ULXD1/2 - 900 MHz ISM Wireless Transmitter See release notes Posted December 10, 2015 Download PACK (207 kb)

    IMPROVEMENT

    • Added new frequency band Z16 (1240 – 1260 MHz) for Japan

    NOTES

    • Fixed bug relating to encryption mismatch conditions.
    • Fixed IR LED behavior when firmware updating transmitters.
    • Transmitters to be used with receivers must be updated via IR. After the receiver is updated, follow these steps:
      1. Go to the receiver menu: DEVICE UTILITIES > TX FW UPDATE
      2. Align the infrared ports with the transmitter
      3. Press ENTER.
    • When updating transmitter firmware via IR sync, please use caution to not lose IR connection, as it’s possible in rare occasions for upgrades from 1.5.6 or earlier to 1.6.6 or later to cause transmitters to temporarily become non-responsive. If the update fails and the unit is non-responsive, resolve the issue by following these steps:
      1. Using the Shure Update Utility, downgrade the firmware for the ULXD4/ULXD4D/ULXD4Q Receiver to 1.5.6 AND keep the desired transmitter firmware (1.6.6 or latest version).
      2. Update the transmitter firmware to 1.6.6 or the latest version via IR menu. From the receiver menu: DEVICE UTILITIES > TX FW UPDATE. Align the infrared ports with the transmitter and then press ENTER.
      3. Upgrade receiver to 1.6.6 or latest version.
    • For operation of ULX-D devices with other Shure networked systems, see the following list of minimum firmware versions that are supported with ULX-D version 1.7.34:
      • QLX-D receiver 1.0.15
    File Date Download Size
    ULXD1/2 - 900 MHz ISM Wireless Transmitter See release notes Posted October 20, 2015 Download PACK (207 kb)

    NEW FEATURE

    • ULXD4, ULXD4D, and ULXD4Q receivers can now power two UA864 antennas in parallel per receiver input for a total of four antennas. To view an example of a similar setup, with different antennas, see the FAQ: Antenna Distribution – 2 Rooms, 4 Antennas, which also includes information on how to modify the UA221 passive antenna accessory.

    NOTES

    • Transmitters to be used with receivers must be updated via IR. After the receiver is updated, follow these steps:
      1. Go to the receiver menu: DEVICE UTILITIES > TX FW UPDATE
      2. Align the infrared ports with the transmitter
      3. Press ENTER.
    • When updating transmitter firmware via IR sync, please use caution to not lose IR connection, as it’s possible in rare occasions for upgrades from 1.5.6 or earlier to 1.6.6 or later to cause transmitters to temporarily become non-responsive. If the update fails and the unit is non-responsive, resolve the issue by following these steps:
      1. Using the Shure Update Utility, downgrade the firmware for the ULXD4/ULXD4D/ULXD4Q Receiver to 1.5.6 AND keep the desired transmitter firmware (1.6.6 or latest version).
      2. Update the transmitter firmware to 1.6.6 or the latest version via IR menu. From the receiver menu: DEVICE UTILITIES > TX FW UPDATE. Align the infrared ports with the transmitter and then press ENTER.
      3. Upgrade receiver to 1.6.6 or latest version.
    • For operation of ULX-D devices with other Shure networked systems, see the following list of minimum firmware versions that are supported with ULX-D version 1.6.11:
      • QLX-D receiver 1.0.15
    File Date Download Size
    ULXD1/2 - 900 MHz ISM Wireless Transmitter See release notes Posted August 10, 2015 Download PACK (207 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

    • Transmitters to be used with receivers must be updated via IR. After the receiver is updated, follow these steps:
      1. Go to the receiver menu: DEVICE UTILITIES > TX FW UPDATE
      2. Align the infrared ports with the transmitter
      3. Press ENTER.
    • When updating transmitter firmware via IR sync, please use caution to not lose IR connection, as it’s possible in rare occasions for upgrades from 1.5.6 or earlier to 1.6.7 or later to cause transmitters to temporarily become non-responsive. If the update fails and the unit is non-responsive, resolve the issue by following these steps:
      1. Using the Shure Update Utility, downgrade the firmware for the ULXD4/ULXD4D/ULXD4Q Receiver to 1.5.6 AND keep the desired transmitter firmware (1.6.7 or latest version).
      2. Update the transmitter firmware to 1.6.7 or the latest version via IR menu. From the receiver menu: DEVICE UTILITIES > TX FW UPDATE. Align the infrared ports with the transmitter and then press ENTER.
      3. Upgrade receiver to 1.6.7 or latest version.
    • For operation of ULX-D devices with other Shure networked systems, see the following list of minimum firmware versions that are supported with ULX-D version 1.6.10:
      • QLX-D receiver 1.0.15

    Latest is 2.2.24

    Version

    File Date Download Size
    ULXD1/2 - Extended Bands Wireless Transmitter See release notes Posted June 14, 2018 Download PACK (302 kb)

    Important

    • 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 devices to the same firmware version.
    • Transmitters upgraded to version 2.2.24 should not be downgraded to versions 1.5.6 or earlier.

    Improvements

    • Support for new frequency bands:
      • U.S. 572 – 616 MHz (J50A)
      • U.S. 653 – 663 MHz (L50A)
    • Bug fixes, including fixing the issue of ULXD1/2 transmitters on version 2.2.23 getting reset to factory default settings after an update or downgrade.

    Known Issue

    • ULX-D devices on J50A or L50A frequency bands are not compatible with SystemOn 2.0-3.0.1

    Notes

    • User Guide
    • If your ULXD1/2 transmitter is on version 2.2.23, updating to version 2.2.24 will unexpectedly reset your ULXD1 to its factory default settings and your previous settings will need to be recovered via IR sync.
    • Transmitters upgraded to version 2.2.24 should not be downgraded to versions 1.5.6 or earlier.
    • ULXD1/2 transmitters used with receivers must be updated via IR sync. After a receiver is updated, follow these steps:
      1. Go to the receiver menu: DEVICE UTILITIES > TX FW UPDATE
      2. Align the infrared ports with the transmitter
      3. Press ENTER
    • Maintain an IR connection when updating transmitter firmware via IR sync. In rare occasions, upgrades from 1.5.6 or earlier to 1.6.6 or later can cause transmitters to become non-responsive temporarily. If the update fails and the unit is non-responsive, resolve the issue by following these steps:
      1. Using the Shure Update Utility, downgrade the firmware for the ULXD4/ULXD4D/ULXD4Q Receiver to 1.5.6 AND keep the desired transmitter firmware (1.6.6 or later).
      2. Update the transmitter firmware to 1.6.6 or later via IR menu. From the receiver menu: DEVICE UTILITIES > TX FW UPDATE. Align the infrared ports with the transmitter and then press ENTER.
      3. Upgrade receiver to 1.6.6 or later.
    • SystemOn 3.0.1 displays "Check system requirements, your current firmware version may not be confirmed compatible" for ULX-D version 2.2.24; however only ULX-D devices on J50A or L50A frequency bands are not compatible with SystemOn 3.0.1.
    • To operate ULX-D version 2.2.24 devices with other Shure networked systems and software, see the following list of minimum versions:
      • ULX-D ULXD4/4D/4Q Receivers 2.2.24
      • QLX-D QLXD1/2 Transmitters and QLXD4 Receivers 2.2.11
      • Axient AXT600 Spectrum Manager 2.1.11
      • Wireless Workbench  6.12.4
      • Shure Update Utility 2.4.2
      • ShurePlus Channels 1.4.1
      • SystemOn 3.0.1
    File Date Download Size
    ULXD1/2 - Extended Bands Wireless Transmitter See release notes Posted May 19, 2017 Download PACK (273 kb)

    IMPORTANT

    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 devices to the same firmware version.

    IMPROVEMENTS

    • 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
    • New TPCI commands for charging stations, receivers, and transmitters
    • Bug fixes
      • Custom groups for AB/JB bands now correctly transfer via IR sync
      • Antenna power alert will persist until it is cleared
      • Fixed a sporadic issue of transmitter firmware updates failing

    KNOWN ISSUE

    • ULX-D version 2.1.16 is not compatible with SystemOn 2.1

    NOTES

    • ULXD1/2 transmitters used with receivers must be updated via IR sync. After a receiver is updated, follow these steps:
      1. Go to the receiver menu: DEVICE UTILITIES > TX FW UPDATE
      2. Align the infrared ports with the transmitter
      3. Press ENTER
    • Maintain an IR connection when updating transmitter firmware via IR sync. In rare occasions, upgrades from 1.5.6 or earlier to 1.6.6 or later can cause transmitters to become non-responsive temporarily. If the update fails and the unit is non-responsive, resolve the issue by following these steps:
      • Using the Shure Update Utility, downgrade the firmware for the ULXD4/ULXD4D/ULXD4Q Receiver to 1.5.6 AND keep the desired transmitter firmware (1.6.6 or later).
      • Update the transmitter firmware to 1.6.6 or later via IR menu. From the receiver menu: DEVICE UTILITIES > TX FW UPDATE. Align the infrared ports with the transmitter and then press ENTER.
      • Upgrade receiver to 1.6.6 or later.
    • To operate ULX-D devices on version 2.1.16 with other Shure networked systems and software, see the following list of minimum software versions:
    File Date Download Size
    ULXD1/2 - Extended Bands Wireless Transmitter See release notes Posted March 02, 2017 Download PACK (272 kb)

    Important

    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 devices to the same firmware version.

    Improvements

    • Improved large-scale network stability: In some cases of very large installations with earlier firmware versions, units occasionally would drop off the network and not be visible via WWB6 or other remote networking access. Version 2.0.28 resolves the issue and increases overall network stability.
    • Added 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
    • Bug fixes

    Notes

    • Update all transmitters used with receivers via IR. After the receiver is updated, follow these steps:
      1. Go to the receiver menu: DEVICE UTILITIES > TX FW UPDATE
      2. Align the infrared ports with the transmitter
      3. Press ENTER.
    • Maintain an IR connection when updating transmitter firmware via IR sync. In rare occasions, upgrades from 1.5.6 or earlier to 1.6.6 or later can cause transmitters to become non-responsive temporarily. If the update fails and the unit is non-responsive, resolve the issue by following these steps:
      1. Using the Shure Update Utility, downgrade the firmware for the ULXD4/ULXD4D/ULXD4Q Receiver to 1.5.6 AND keep the desired transmitter firmware (1.6.6 or later).
      2. Update the transmitter firmware to 1.6.6 or later via IR menu. From the receiver menu: DEVICE UTILITIES > TX FW UPDATE. Align the infrared ports with the transmitter and then press ENTER.
      3. Upgrade receiver to 1.6.6 or later.
    • For operation of ULX-D devices with other Shure networked systems, see the following list of minimum firmware versions that are supported with ULX-D version 2.0.28:
    • ULX-D 2.0.19 (release date: 9/16/2016) is no longer available in the firmware library. Release notes remain available for reference:
      • New Features
        • Support for Access Control, which allows users to specify PINs for networked devices to restrict access to them from unauthenticated Shure control software.
        • AMX/Crestron control string to get the ULXD firmware version.
          • Command: < GET FW_VER >
        • Ability to reverse polarity on ULXD1 and ULXD1LEMO3 bodypacks. To reverse polarity, use these options:
          • Bodypack Utilities menu: UTILITY > POLARITY
          • Save the IR preset on the receiver and then IR sync to the bodypack to incorporate the polarity change: IR PRESETS > BP POLARITY
      • Improvements
        • Added new VHF frequency bands:
          • V50
          • V51
        • Dante™ update to software version 3.9.6.1 and firmware version 4.0.0.6
        • Improved audio stability in marginal RF conditions
      • Known Issues
        • ShurePlus Channels version 1.2 does not support ULX-D firmware version 2.0 or later.
        • QLX-D firmware version 1.1.15 or earlier does not support ULX-D firmware version 2.0 or later.
      • Notes
        • Users must update all transmitters used with receivers via IR. After the receiver is updated, follow these steps:
          1. Go to the receiver menu: DEVICE UTILITIES > TX FW UPDATE
          2. Align the infrared ports with the transmitter
          3. Press ENTER.
        • When updating transmitter firmware via IR sync, please ensure IR connection is maintained because, in rare occasions, upgrades from 1.5.6 or earlier to 1.6.6 or later can cause transmitters to temporarily become non-responsive. If the update fails and the unit is non-responsive, resolve the issue by following these steps:
          1. Using the Shure Update Utility, downgrade the firmware for the ULXD4/ULXD4D/ULXD4Q Receiver to 1.5.6 AND keep the desired transmitter firmware (1.6.6 or latest version).
          2. Update the transmitter firmware to 1.6.6 or the latest version via IR menu. From the receiver menu: DEVICE UTILITIES > TX FW UPDATE. Align the infrared ports with the transmitter and then press ENTER.
          3. Upgrade receiver to 1.6.6 or latest version.
        • For operation of ULX-D devices with other Shure networked systems, see the following list of minimum firmware versions that are supported with ULX-D version 2.0.19:
          • ULX-D ULXD1/2 Transmitters and ULXD4, ULXD4D, ULXD4Q Receivers 2.0.19
          • Wireless Workbench 6.12
          • Shure Update Utility 2.2.2.8
    File Date Download Size
    ULXD1/2 - Extended Bands Wireless Transmitter See release notes Posted December 10, 2015 Download PACK (269 kb)

    IMPROVEMENT

    • Added new frequency band Z16 (1240 – 1260 MHz) for Japan

    NOTES

    • Fixed bug relating to encryption mismatch conditions.
    • Fixed IR LED behavior when firmware updating transmitters.
    • Transmitters to be used with receivers must be updated via IR. After the receiver is updated, follow these steps:
      1. Go to the receiver menu: DEVICE UTILITIES > TX FW UPDATE
      2. Align the infrared ports with the transmitter
      3. Press ENTER.
    • When updating transmitter firmware via IR sync, please use caution to not lose IR connection, as it’s possible in rare occasions for upgrades from 1.5.6 or earlier to 1.6.6 or later to cause transmitters to temporarily become non-responsive. If the update fails and the unit is non-responsive, resolve the issue by following these steps:
      1. Using the Shure Update Utility, downgrade the firmware for the ULXD4/ULXD4D/ULXD4Q Receiver to 1.5.6 AND keep the desired transmitter firmware (1.6.6 or latest version).
      2. Update the transmitter firmware to 1.6.6 or the latest version via IR menu. From the receiver menu: DEVICE UTILITIES > TX FW UPDATE. Align the infrared ports with the transmitter and then press ENTER.
      3. Upgrade receiver to 1.6.6 or latest version.
    • For operation of ULX-D devices with other Shure networked systems, see the following list of minimum firmware versions that are supported with ULX-D version 1.7.34:
      • QLX-D receiver 1.0.15

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