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For capturing audio, the ULXD2/Beta87C Handheld Wireless Microphone Transmitter by Shure is a good choice to get the job done. Featuring transparent 24-bit digital audio quality, it is used for wireless vocals in presentation spaces, music venues, houses of worship, DJ setups, and more. It features a 30 Hz to 20 kHz frequency response and has more than 120 dB dynamic range. Powered by 2 AA batteries, or the optional SB 900 lithium-ion rechargeable battery pack, the ULXD2 quickly syncs with a wireless receiver over IR at the push of a button and maintains clear, uninterrupted signal over its entire 100 m (328 ft.) range. All-metal construction ensures durability, and a wide selection of compatible microphone choices is ideal for your presentation.
For the Shure ULX-D wireless system
Features interchangeable Shure microphone capsules
AES 256-bit encryption for secure transmission
Up to 11 hours continuous use with 2 x AA alkaline batteries
Optional Shure SB900 lithium ion rechargeable battery (sold separately) provides up to 10 hours of continuous use and reports remaining runtime in hours and minutes
Backlit LCD with easy to navigate menu and controls
Selectable display mode showing group/channel, frequency, or battery runtime
Rugged metal construction
Transmitter has 328' (100 meter) line-of-sight operating range
Features frequency and power lockout
In the Box
Shure ULXD2/Beta87C Handheld Wireless Transmitter (X52: 902 to 928 MHz)
Limited 2-Year Warranty
Table of Contents
RF Carrier Frequency Range
X52: 902 to 928 MHz
328' (100 m)
Tuning Step Size: 25 kHz, varies by region
30 Hz to 20 kHz
Mic Offset Range
0 to 21 dB (in 3 dB steps)
Configuration: unbalanced Maximum Input Level 1 kHz at 1% THD: 145 dB SPL (SM58), typical Note: Dependent on microphone type
Maximum Input Level
1 kHz at 1% THD: 145 dB SPL (SM58), typical Note: Dependent on microphone type
Antenna Type: Integrated single band helical
Occupied Bandwidth: Less than 200 kHz
Modulation Type: Shure proprietary digital
Power: 0.25, 10, or 20 mW (varies by region)
Shure SB900 rechargeable Li-ion or AA batteries 1.5 V
At 10 mW Shure SB900: up to 10 hours Alkaline: up to 11 hours
Operating Temperature Range
0 to 122°F / -18 to 50°C Note: Battery characteristics may limit this range.
Storage Temperature Range
-20 to 165°F / -29 to 74°C) Note: Battery characteristics may limit this range.