Shure AD2/B87A Digital Handheld Wireless Microphone Transmitter

Overview

The Shure AD2/B87A=-G57 is a handheld digital wireless microphone transmitter designed to deliver studio-grade audio quality for vocals. Equipped with the Beta 87A supercardioid condenser capsule, it ensures vocals stand out clearly while minimizing unwanted stage noise. With a wide 146 MHz UHF tuning range and selectable RF power levels of 2, 10, or 35 mW, it offers flexible frequency options and coverage up to 330 feet, making it suitable for large stages, conferences, and live broadcasts.

Key features

• Beta 87A supercardioid condenser capsule provides clear and detailed vocal reproduction that cuts through busy mixes.
• Wide 146 MHz UHF tuning range allows for ample frequency selection even in congested RF environments.
• Selectable RF power levels of 2, 10, or 35 mW balance battery life with wireless coverage needs.
• Reliable wireless range up to 330 feet supports freedom of movement on large stages and event venues.
• AES 256-bit encryption secures audio transmissions, protecting confidential content during corporate meetings and broadcasts.
• Interchangeable capsule design lets you swap in any Shure handheld capsule to tailor sound for different voices or genres.
• Durable, moisture-resistant aluminum housing withstands the rigors of touring, weather changes, and frequent handling.
• Optional SB900A rechargeable lithium-ion battery offers up to nine hours of operation with real-time charge monitoring on the backlit LCD.
• Backlit LCD and intuitive controls simplify setup and monitoring, even in low-light stage conditions.

Key specs

• Frequency range: 146 MHz UHF tuning bandwidth
• RF power output: selectable 2 mW, 10 mW, or 35 mW
• Wireless range: up to 330 feet (line of sight)
• Encryption: AES 256-bit digital encryption
• Capsule type: Beta 87A supercardioid condenser
• Battery compatibility: optional SB900A lithium-ion rechargeable battery
• Battery life: up to 9 hours with SB900A battery
• Body material: moisture-resistant aluminum

Connectivity and compatibility

This transmitter pairs seamlessly with Shure Axient Digital receivers, ensuring stable and high-quality wireless audio transmission. The interchangeable capsule bay supports all Shure handheld capsules, allowing users to customize their microphone’s sound profile without changing the transmitter unit. Its wide tuning range and adjustable power levels help avoid interference in crowded RF environments, making it a strong choice for professional audio setups in live events, houses of worship, and broadcast studios.

Performance and reliability

Built for demanding environments, the transmitter’s rugged aluminum body resists moisture and physical wear, making it suitable for touring and frequent use. The AES 256-bit encryption safeguards sensitive audio, which is critical for corporate and broadcast applications. With a wireless range of up to 330 feet, performers can move freely without worrying about signal dropouts. The optional rechargeable battery and clear LCD display provide convenient power management and monitoring during long sessions.

Ideal uses and environments

This wireless microphone transmitter is well suited to vocalists, presenters, and broadcasters who require clear, reliable audio in large venues or complex RF settings. It works well for touring musicians, conference speakers, worship leaders, and live broadcast professionals who need secure, high-quality wireless audio with flexible frequency options and long battery life. Its durable design and easy-to-use interface make it a dependable tool for both studio and stage environments.