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Shure ADX2FD/SM58 Handheld Wireless Microphone Transmitter

by Shure
Original price $2,559.00 - Original price $2,559.00
Original price
$2,559.00 - $2,559.00
Current price $2,559.00
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The Shure ADX2FD/SM58 delivers supreme performance, with 184 MHz tuning, interference prevention, rechargeable battery, simplistic design, and ShowLink remote control for on-the-spot parameter mods. Furthermore, Frequency Diversity ensures smooth audio in tough settings. Lightweight aluminum construction and SB920A rechargeable power options (with dockable charging) complete the package.

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In The Box:

(1) SB920A Shure Rechargeable Battery 
(1) Zipper Bag 
(1) Threaded Adapter 
(1) Swivel Adapter-Black


  • 184 MHz tuning range
  • Frequency Diversity enables simultaneous transmission on two independent frequencies to ensure seamless, uninterrupted audio for mission-critical applications. Single carrier mode is available if Frequency Diversity is not required.
  • 20 Hz to 20 kHz range with flat frequency response
  • Automatic input staging optimizes gain setting
  • Diversity ShowLink-enabled for remote transmitter control and automatic interference avoidance
  • AES 256-bit encryption-enabled for secure transmission
  • >120 dB, A-weighted, System Gain @ +10
  • Digital output: >125dB, A-weighted (Dante, AES3, AES67)
  • 100 meter (300 feet) line-of-sight operating range
  • Selectable modulation modes optimize performance for spectral efficiency or audio quality:
  • Standard – optimal coverage, low latency
  • High density – dramatic increase in max system channel count
  • Switchable Power Levels (region dependent):
  • 2/10/50 mW (single carrier mode)
  • 2 x 20 mW (Frequency Diversity mode)
  • Built-in tone generator and RF markers to facilitate range-testing


  • Interchangeable Shure microphone cartridges
  • Backlit LCD with easy to navigate menu and controls
  • Rugged metal construction
  • Menu and power lockout


  • Shure SB920A rechargeable batteries offer precision metering and zero memory effect
  • External charging contacts for docked charging
  • Battery Runtime with Shure SB920A:
  • Up to 9 hours in single carrier mode @ 10 mW
  • Up to 6.5 hours in Frequency Diversity mode @ 10 mW x 10 mW
  • Up to 5 hours in single carrier, high-power mode @ 50 mW

Mic Offset Range: -12 to 21 dB (In 1 dB steps)
Battery Type: Shure SB920A Rechargeable Li-Ion
Battery Runtime Shure SB920A @ 10 mW:

  • Single Carrier Mode Up to 9 hours
  • Frequency Diversity Up to 6.5 hours

Dimensions: 254 mm x 51 mm (10.0 in. x 2.0 in.) L x Dia.
Weight:338 g (11.9 oz.), Without Battery
Housing:Cast Aluminum
Operating Temperature Range:-18°C (0°F) to 45°C (113°F)
Note: Battery characteristics may limit this range.
Storage Temperature Range:-29°C (-20°F) to 74°C (165°F)
Note: Battery characteristics may limit this range.
Audio Input
Configuration: Unbalanced
Maximum Input Level:

  • 1 kHz at 1% THD
  • 145 dB SPL (SM58), typical

Note: Dependent on microphone type
RF Output
Antenna Type: Integrated Dual Band Helical
Occupied Bandwidth: <200 kHz

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