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Shure AD2/B87A Digital Handheld Wireless Microphone Transmitter with Beta 87A Capsule (G57: 470 to 616 MHz)

BH #SHAD2B87AG57 • MFR #AD2/B87A-G57
Shure AD2/B87A Digital Handheld Wireless Microphone Transmitter with Beta 87A Capsule (G57: 470 to 616 MHz)
Key Features
  • For Axient Digital Systems
  • Beta 87A Condenser Supercardioid Mic
  • Automatic Gain Adjustment
  • 2/10/35mW RF Output Power
The Shure AD2/B87A is a digital handheld wireless microphone transmitter compatible with Axient Digital series receivers.
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Shure AD2 Overview

  • 1Description
  • 2Interchangeable Design with Beta 87A Capsule
  • 3User-Friendly Features in a Rugged Housing
  • 4Convenient Power Management Options

The Shure AD2/B87A is a digital handheld wireless microphone transmitter compatible with Axient Digital series receivers.

The AD2/B87A comes equipped with the Beta 87A condenser capsule designed to withstand extreme sound pressure levels, while still delivering a remarkably smooth frequency response for vocal performers and presenters. The capsule features a supercardioid polar pattern that offers excellent rejection of off-axis background noise, helping to reduce feedback.

The transmitter operates in a single 146 MHz ultrawide UHF bandwidth with selectable 2/10/35mW RF output power and a transmission range up to 330'. It provides up to 8 hours of operation on two AA batteries and up to 9 hours with an SB900A lithium-ion rechargeable battery (available separately).

With a durable, moisture-resistant, lightweight aluminum case, the AD2/B87A transmitter delivers pristine audio quality and RF performance, AES 256-bit encryption for secure transmission, and advanced rechargeability options, making it ideal for high-profile, sound-reinforcement applications.

Interchangeable Design with Beta 87A Capsule

  • The Beta 87A supercardioid condenser capsule handles SPL levels up to 140 dB and offers a smooth frequency response with a gradual presence rise and controlled proximity effect tailored for vocals.
  • The interchangeable capsule design allows you to replace the Beta 87A capsule with a Shure capsule that’s ideal for your application and simply screw it onto the transmitter—including KSM9, KSM8, SM58, VP68, Beta 87C capsules, and more.

User-Friendly Features in a Rugged Housing

  • The unit quickly syncs with a wireless receiver via infrared at the touch of a button.
  • Automatic Gain adjusts the mic input level for you.
  • The power button conveniently doubles as mute switch, while preserving RF lock.
  • Frequency and power lockout functions prevent accidental or unauthorized changes during events.
  • A backlit LCD with easy-to-navigate menu and controls lets you quickly access frequency, group, and channel settings, along with mute and lock status, RF output, and remaining battery life.
  • Offset function lets you balance mic levels when assigning multiple transmitters to a single receiver slot. Adjustment range: -12 to +21 dB.
  • 2/10/35mW selectable RF output power allows you to increase either the transmitter's range or the number of mics operating simultaneously.
  • Two transmission modes: Standard for optimal coverage and High-Density for maximum system channel count and robust coverage.

Convenient Power Management Options

  • Optional SB900A rechargeable battery offers intelligent power management with precision metering in hours and minutes, and zero memory effect.
  • External charging contacts allow for docked battery charging.
  • SBC220 two-bay and SBC840 eight-bay networked chargers (both available separately) allow for remote power monitoring via Shure’s Wireless Workbench software.
UPC: 042406526241

Shure AD2 Specs

Wireless TransmissionDigital UHF
RF Frequency Band 417 to 616 MHz
RF Bandwidth146 MHz
Frequency Step Size25 kHz
Max Operating Range328.1' / 100 m (Line of Sight)
Latency2 to 2.9 ms (Selectable)
EncryptionAES 256
Form FactorHandheld
RF Output Power2 / 10 / 35 mW
Audio I/ONone
MutingMute Switch
Audio Input Level145 dB
Gain Range-12 to +21 dB (3 dB Steps)
Sync MethodIR
Antenna1 x Internal Single-Band Helical (Handheld)
Power RequirementsBattery
Battery Type2 x AA (Included)
1 x Shure SB900A (Not Included, Replaceable)
Approx. Battery LifeMed.:
8 Hours (Alkaline)
9 Hours (Lithium Shure SB900A)
Display & Indicators1 x LCD (Battery Status, Channel, Group, Signal Strength)
Operating Temperature0 to 122°F / -17 to 50°C
Storage Temperature-20 to 165°F / -28 to 73°C
Dimensions2 x 10.1" / 51 x 256 mm
Weight12 oz / 340 g (without Batteries)
Form FactorHandheld Capsule
Sound FieldMono
Polar PatternSupercardioid
Frequency Range50 Hz to 20 kHz
Maximum SPL140.5 dB SPL
Sensitivity-52.5 dBV/Pa at 1 kHz
Dynamic Range117 dB
Packaging Info
Package Weight1.75 lb
Box Dimensions (LxWxH)12.8 x 4.9 x 3.5"
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