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Shure ULXD2/B58 Handheld Wireless Microphone Transmitter

The Shure ULXD2/B58 Handheld Wireless Microphone Transmitter is designed to be compatible with Shure's ULX-D wireless systems. It features an aluminum body with an integrated antenna that is capable of AES 256-bit encryption for secure transmission. It is tuned to Shure's G50 frequency band and transmits on a range of 470 to 534 MHz. It includes a Shure Beta 58A microphone capsule.


  • 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 SB900 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 meNUand controls
  • Rugged metal construction
  • Frequency and power lockout


Gain Offset Range 0 to 21 dB (in 3 dB Steps)
Frequency Band G50: 470 to 534 MHz Transmitter Output: 1/10/20 mW
Battery Type 2x LR6 AA Batteries 1.5 V Shure SB900 Rechargeable Li-Ion
Configuration Unbalanced
Maximum Input Level Dependent on Microphone Capsule
RF Output Antenna Type: Integrated Single Band Helical Occupied Bandwidth: < 200 kHz Modulation Type: Shure Proprietary Digital Power: Varies by Region
Dimensions (Ø x L) 2.0 x 10.1" (51 x 256 mm)
Weight 12 oz (340 g)


Type Dynamic (Moving Coil)
Frequency Response 50 Hz to 16 kHz
Polar Pattern Supercardioid, rotationally symmetrical about microphone axis, uniform with frequency
Output Level Open Circuit Voltage: -51.5 dBV/Pa* (2.6 mV) *1 Pa = 94 dB SPL

Shipping Info:

Shipping Weight 1.4 lb
Box Dimensions (WxHxD) 4.8 x 3.5 x 12.6