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Shure ADX2/B87A Handheld Wireless Microphone Transmitter

by Shure
Original price $2,070.00 - Original price $2,070.00
Original price
$2,070.00 - $2,070.00
Current price $2,070.00
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The ADX2/B87A gives you exceptional performance with its wide 184 MHz tuning ability, interference-resistant construction, rechargeable battery, ergonomic design, and ShowLink remote control for making parameter adjustments in real-time from the booth.

If you have any questions or concerns please contact us.

In The Box:
(1) SB920A Shure Rechargeable Battery
(1) Zipper Bag
(1) Threaded Adapter
(1) Swivel Adapter-Black



  • 184 MHz tuning range
  • 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 = 2/10/40 mW (region dependent)
  • 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 for up to 9 hours of runtime, precision metering, and zero memory effect
  • External charging contacts for docked charging
    • -12 to 21 dB (In 1 dB steps)


    Mic Offset Range: -12 to 21 dB (In 1 dB steps)

    Battery Type: Shure SB920A Rechargeable Li-Ion

    Battery Runtime:

    • @ 10 mW
    • Shure SB920A up to 9 hours
    • See Battery Runtime Chart

    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 50°C (122°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: 10 dBm (ERP)

    Antenna Type: Dual Band Helical

    Occupied Bandwidth: <200 kHz

    Channel-to-Channel Spacing

    • Standard Mode: 350 kHz
    • High Density Mode: 125 kHz

    varies by region

    Modulation Type: Shure Axient Digital Proprietary

    Power: 2 mW, 10 mW, 40 mW

    See Frequency Range and Output Power table, varies by region

    Specific Absorption Rate (SAR): < 0.19 W/kg

    Network Type: IEEE 802.15.4

    Antenna Type: Zigbee Dual Conformal

    Frequency Range: 2.40 to 2.4835 GHz ( 24 Channels)

    RF Output Power: 10 dBm (ERP)

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