ULXD6
Wireless Boundary Microphone Transmitter

The ULXD6 Boundary Microphone Transmitter delivers uncompromising audio quality and RF performance, and AES-256 encryption for secure transmission.
















Product Details
The ULXD6 Boundary Microphone Transmitter offers a low-profile boundary form factor that is ideal for tabletop use at meetings and events where wired microphones are impractical. Paired with a ULX-D or QLX-D digital receiver, the ULXD6 creates a system with low latency, long transmission range, and high channel count, delivering exceptional performance in large meeting venues where live sound reinforcement is required.
Note: When purchasing separate wireless components, please match their frequency bands to ensure proper system operation.
- Very low latency makes the ULXD6 ideal for meetings that require live sound reinforcement
- Long transmission range (up to 300 feet/100 meters) for reliable performance in very large meetings at conference and convention centers
- Compatible with the full line of Shure antennas and distribution components, allowing up to 200 ULXD6 boundary microphone transmitters to be used with just one pair of receiving antennas for efficient setup
- Compatible with ULX-D® and QLX-D® digital receivers
- Optional SB900B rechargeable batteries provide up to 9 hours of runtime
- Compatible with standard AA alkaline batteries
- Optional SBC250, SBC450 (4-bay) and SBC850 (8-bay) Networked Charging Stations allow convenient docking and charging when transmitters are not in use
- Configurable Mute button (Toggle, Push-to-Mute, Push-to-Talk, disabled) and Mute LED behavior
- Adjustable RF power, high-pass filter, and power lock settings
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ULXD6 Videos
Reviews
Compatible Receivers
ULXD4
Digital Wireless Receiver
Networkable receiver with 24-bit / 48 kHz digital audio quality and AES 256-bit encryption.
ULXD4-GV
Digital Wireless Receiver
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ULXD4D
Dual-Channel Digital Wireless Receiver
Two channels of uncompromising audio quality, RF signal stability and efficiency, and advanced setup features in a single rack unit.
ULXD4D-GV
Dual-Channel Digital Wireless Receiver
Dual-channel digital receiver with Dante digital audio networking and always-on AES-256 encryption
ULXD4Q
Quad-Channel Digital Wireless Receiver
Four channels of uncompromising audio quality, RF signal stability, and advanced setup features in a space-efficient single rack unit.
ULXD4Q-GV
Quad-Channel Digital Wireless Receiver
Quad-channel digital receiver with Dante digital audio networking and always-on AES-256 encryption
Support
Customer Support
Service & Repair
Detailed policy information regarding customer service numbers, service modifications, and replacement parts.
Service & RepairContact Us
Submit a ticket directly to Shure Customer Service staff, or reach out via phone or email.
Contact UsResources
Shure Tech Portal
Complete product documentation, technical support materials, software and firmware, and other tools and resources for all Shure products, in one place.
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Documentation
User Guide & Specs
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Architect Specifications
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Spec Sheet
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CAD
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Brochure
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Frequency Compatibility Chart
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Tools

Wireless Frequency Finder
This tool provides recommended frequencies for Shure Wireless System use in the United States.

Wireless Accessory Wizard
With a few simple inputs, this selection wizard provides recommended items for your wireless microphone setup, and/or a diagram on how the antennas and antenna distribution are connected.

Wireless Mic Remote Antennas Tool
Enter distance between antenna and receiver to get setup recommendations for the receiver.
Software & Firmware
SystemOn
Conquer complexity and scale. Developed to make managing large-scale Shure audio hardware deployments easier for you. New licenses are no longer being offered. For maintenance licenses, please contact your local Shure representative.
Wireless Workbench 7
Wireless Workbench is our free software for audio professionals that puts a full suite of RF spectrum management tools in one place to give you full command of your compatible wireless devices. Guarantee that you are prepared to succeed in any RF environment – no matter the location.
ShurePlus™ Channels
ShurePlus Channels enables remote, real-time precision monitoring and control of Shure wireless systems. Features include audio metering, RF indicator, ShowLink signal strength, and frequency assignments with band, group, and channel information.
SUU
A modern audio network can’t do its job with outdated software (and the time you spend searching for each latest version is time lost). Easy-to-use and free-to-download, the Shure Update Utility helps you update compatible Shure products while managing all of your device firmware. Giving you one less thing to worry about.
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