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Shure AD2/B87A Axient Digital Handheld Transmitter With Beta 87A Mic Capsule - Frequence K54

The Shure AD2/BETA87A is a Shure AD2 wireless handheld transmitter with a BETA®87A capsule. It's part of Shure's Axient® Digital series.

Axient Digital Series

Incorporating the most innovative wireless audio technology in the world, Shure's Axient Digital was engineered from the ground up for professional productions that require flawless peformance. With its unprecedented level of signal stability and audio clarity, plus flexible hardware options, advanced connectivity, and comprehensive control, this is a wireless system built to meet the challenges of today—and tomorrow.

BETA 87A Microphone Capsule

The BETA 87A capsule is a premium-quality supercardioid electret condenser mic capsule with remarkably smooth frequency response and high sound pressure level capability. It can be used in professional sound reinforcement, broadcasting, and studio recording applications. It combines superb performance with the ruggedness that's required for touring and field production.

  • 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 finish
  • External contacts for docked charging
  • Audio frequency response: 50 to 20,000 Hz
  • Smooth frequency response with gradual presence rise
  • Highly consistent supercardioid polar pattern provides superiorgain-before-feedback
  • Electronic low-frequency roll-off compensates for proximity effect
  • Wide dynamic range (117 dB) and low distortion characteristics
  • Very low susceptibility to RFI and electromagnetic hum
  • Advanced cartridge shock-mount system absorbs mechanical shocks andreduces handling noise
  • Built-in pop filter reduces undesirable wind and breath sounds
  • Legendary Shure quality and reliability
  • Type: Condenser (electret bias)
  • Polar pattern: Supercardioid

  • G57 (470-616 MHz)
  • K54 (606-663 MHz)
  • X55 (941-960 MHz)

WARNING:This product may contain a chemical known to the State of California to cause cancer, or birth defects or other reproductive harm. For more information, go to