Shure ADX2/B87A G57 Supercardioid Handheld Wireless Microphone Transmitter

Introducing ADX2/B87A: The Best Wireless Microphone Transmitter for Axient® Digital Wireless Systems
The ADX2/B87A is a top-of-the-line wireless microphone transmitter that provides exceptional performance and features. With a frequency range of up to 184 MHz, advanced rechargeability, and interference protection, you can trust this device to deliver the best sound quality possible.

With the ADX2/B87A, you can enjoy a streamlined design and ShowLink remote control that allows you to adjust parameters in real-time from the booth. This handheld wireless microphone transmitter is specifically designed for use with Axient® Digital Wireless Systems.

Other key features include compatibility with the Beta®87A cartridge, as well as the inclusion of two SB920A rechargeable batteries. When purchasing individual wireless components, it's important to match their frequency bands to ensure proper system operation.

Key Features

• Black finish metal case that is durable, lightweight, and resistant to moisture
• SB920A rechargeable battery provides up to 9 hours of runtime
• Optional fully covered radome allows for docked charging through external contacts
• Remote transmitter control and automatic interference avoidance enabled through Diversity ShowLink
• Two transmission modes available: Standard for optimal coverage and new High Density for maximum system channel count and robust coverage. Transmission is also secure and encryption-enabled.

Technical Specifications

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
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
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
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)
varies by region