Shure AD2/SM58 Handheld Transmitter

The AD2/SM58 is a handheld wireless microphone transmitter compatible with Axient® Digital Wireless Systems.

With breakthrough RF performance and wide tuning up to 184 MHz, the AD2/SM58 puts professional-quality wireless digital audio within reach.

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

Shure AD2/SM58 Features

• Works with Axient® Digital Wireless Systems
• Two transmission modes: standard (for optimal coverage), high density mode (for maximum system channel count and robust coverage)
• Encryption-enabled, secure transmission
• Frequency and power lockout
• Rugged metal construction in black or nickel finish
• External contacts for docked charging
• AA or SB900A Li-ion rechargeable batteries
• Backlit LCD with easy-to-navigate menu and controls
• Low-profile, lockable power switch

• AD2/SM58 Handheld Transmitter1
• Zipper Bag: 95B23131
• Brass Adapter: 31B18561
• Swivel Adapter, black: 90F40461
• AA alkaline batteries: 80B82012
• Battery Contact Cover: WA6181

• Mic Offset Range–12 to 21 dB (in 3 dB steps)
• Battery TypeShure SB900A Rechargeable Li-Ion or LR6 AA batteries 1.5 V
• Battery Runtime @ 10 mW
  • Shure SB900A: >11 hours
  • Alkaline: 8 hours
• Dimensions10.1" x 2"
• Weight340 g (12.0 oz.), without batteries
• HousingCast aluminum
• Audio Input
  • Configuration: Unbalanced
  • Maximum Input Level: 1 kHz at 1% THD
  • 145 dB SPL, typical (SM58) Note: dependent on microphone type
• RF Output
  • Antenna Type: Integrated Single-Band Helical
  • Occupied Bandwidth: <200 kHz
  • Modulation Type: Shure Axient Digital Proprietary
  • Power: 2 mW, 10 mW, 35 mW See Frequency Range and Ouput Power table, varies by region