ADX2FD/B58=-G57 Handheld Wireless Microphone

Article number: ADX2FD/B58=-G57
Availability: Ships from manufacturer

The Shure ADX2FD/B58, like all ADX transmitters, sets the stage for exceptional performance, with wide tuning up to 184 MHz, interference protection, advanced rechargeability, streamlined design, and ShowLink remote control for real-time parameter adjustments right from the booth. The ADX2FD/B58 is a handheld wireless microphone transmitter compatible with Axient® Digital Wireless Systems.


  • Ability to transmit RF signal on two discrete carriers
  • Optional 50mW High Power mode for driving increased power on a single frequency
  • Durable, moisture-resistant, lightweight metal case in black finish
  • Up to 6.5 hours of runtime with SB920 rechargeable battery when transmitting on two RF carriers (up to 9 hours battery life when transmitting on a single RF carrier)
  • External contacts for docked charging with optional fully covered radome
  • Diversity ShowLink enabled for remote transmitter control and automatic interference avoidance
  • Two transmission modes: Standard for optimal coverage and new High Density for maximum system channel count and robust coverage
  • Encryption-enabled, secure transmission


  • Polar Pattern: Beta® 58A Supercardioid Dynamic Vocal Wireless Microphone Capsule
  • Frequency Response: ADX2FD/B58=-G57 (470-616 MHz)
  • Mic Offset Range: –12 to 21 dB (in 3 dB steps)
  • Battery Type: Shure SB920 Rechargeable Li-Ion
  • Battery Runtime @ 10 mW: Single Carrier Mode: Up to 9 hours Frequency Diversity: Up to 6.5 hours
  • Dimensions: 254 mm × 51 mm (10.0 in. × 2.0 in.)
  • Weight: 338 g (11.9 oz.), without battery
  • Housing: Cast 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 Dual-Band Helical
  • Occupied Bandwidth: <200 kHz
  • Channel-to-Channel Spacing: Standard Mode: 350 kHz High-Density Mode: 125 kHz
  • Modulation Type: Shure Axient Digital Proprietary
  • Power: Single Carrier Mode: 2 mW, 10 mW, 20 mW, 50 mW Frequency Diversity Mode: 2 × 20 mW
  • Varies by Region; See Available Frequency Bands and Ouput Power table.
  • ShowLink®
  • Network Type: IEEE 802.15.4
  • Antenna Type: ZigBee Dual Conformal
  • Frequency Range: 2.40 to 2.4835 GHz (24 Channels)
  • RF Output Power Varies by Region: 10 dBm (ERP)

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