Shure ULXD8 Wireless Gooseneck Microphone Base

With low latency, a wide range, and rock-solid reliability, the ULXD8 wireless gooseneck microphone base is perfect for conferences, meetings, and events.

The ULXD8 Desktop Base Transmitter delivers uncompromising audio quality and RF performance, and AES-256 encryption for secure transmission.

Designed for use with Shure Microflex MX405, MX410, and MX415 gooseneck microphones, as well as Microflex MX410DF and MX415DF Dualflex gooseneck microphones.


- Very low latency makes the ULXD8 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 ULXD8 gooseneck base 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 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

-Gain Adjustment Range: 0 to 21 dB (in 3 dB steps)
-Type Shure: SB900/SB900A Rechargeable Li-Ion or AA batteries 1.5 V
-Battery Runtime @ 10 mW:
Shure SB900: Up to 9 hours
AA batteries: Up to 8 hours 20 minutes
-Dimensions (HxWxD): 136.94 x 78.27 x 40.77 mm (5.39 x 3.08 x 1.60 in.)
-Weight: 293 g with AA batteries
-Operating Temperature Range: 0C - 45C (32F - 113F)
-Housing: Molded Plastic
-Microphone Connector: 6-pin connector for Shure MX405/10/15
-Configuration: Unbalanced
-Impedance: >20 k
-Antenna Type: Integrated PIFA
-Impedance: 50
-Occupied Bandwidth: <200 kHz
-Modulation Type: Shure proprietary digital
-Power: 1 mW, 10 mW, 20 mW
Dimensions and Weight in Packaging
Channe J50A
Shipping Weight: 0.94 lbs
Shipping Dimensions: 7 x 5 x 4 in
Manufacturer Part Number (MPN): ULXD8=-J50A
Channel G50
Shipping Weight: 0.75 lbs
Shipping Dimensions: 7 x 4 x 3 in
Manufacturer Part Number (MPN): ULXD8=-G50
Channel H50
Shipping Weight: 0.8 lbs
Shipping Dimensions: 7 x 4 x 3 in
Manufacturer Part Number (MPN): ULXD8=-H50

Consumer Alert

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

NOTE: None of the wireless systems we carry are capable of violating the FCC guidelines stated above. We are presenting this information as a matter of legally required disclosure.

For support or warranty questions, please contact the manufacturer:
Phone: 800-516-2525

Channe J50A

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