Shure AD2/KSM9B Digital Handheld Wireless Microphone Transmitter (Black)

Overview

The Shure AD2/K9B=-G57 is a digital handheld wireless microphone transmitter designed for the Axient Digital wireless system, delivering professional-grade vocal performance. It features the renowned KSM9 dual-diaphragm condenser capsule, which provides clear and natural sound reproduction. With a transmission range of up to 330 feet and battery life lasting up to 9 hours using the Shure SB900A rechargeable battery, this transmitter offers reliable operation for extended live performances and rehearsals.

Key features

• Dual-diaphragm KSM9 condenser capsule that captures vocals with clarity and natural tone
• Switchable cardioid and supercardioid polar patterns to adapt to different stage and venue acoustics
• Operates within a 146 MHz UHF bandwidth, providing stable and interference-resistant wireless transmission
• Transmission range up to 330 feet, allowing performers freedom of movement without signal loss
• Secure AES 256-bit encryption ensures your audio signal remains protected from interception
• Selectable RF output power levels (2, 10, and 35 mW) to optimize performance in various environments
• Infrared sync feature enables quick and straightforward frequency coordination and setup
• Durable aluminum housing resists moisture and withstands the rigors of live event use

Key specs

• Microphone capsule: KSM9 dual-diaphragm condenser
• Polar patterns: Cardioid and supercardioid, switchable
• Frequency bandwidth: 146 MHz UHF
• Transmission range: Up to 330 feet (100 meters)
• Encryption: AES 256-bit
• Battery life: Up to 8 hours with standard AA batteries, up to 9 hours with Shure SB900A rechargeable battery
• RF output power: Selectable 2 mW, 10 mW, and 35 mW
• Body material: Lightweight aluminum with moisture resistance

Connectivity and compatibility

This transmitter integrates seamlessly with the Axient Digital wireless system, ensuring compatibility with Shure’s professional receivers and networked audio setups. Its infrared sync simplifies pairing with receivers, reducing setup time and minimizing interference risks. The adjustable RF output power allows it to perform well in both small venues and large stages, making it a flexible choice for various live sound environments.

Performance and reliability

Built to withstand the demands of live performances, the transmitter’s aluminum body offers durability and moisture resistance, protecting it from environmental challenges. The KSM9 capsule delivers vocal clarity that suits both spoken word and singing, while the secure AES 256-bit encryption maintains audio integrity in crowded RF environments. Long battery life supports extended use without frequent changes, making it dependable for concerts, theater, and broadcast applications.

Ideal uses and environments

This wireless microphone transmitter is well suited for professional vocalists, sound engineers, and performers who require high-quality audio and reliable wireless operation. It fits well in concert halls, theaters, houses of worship, and broadcast studios where clear vocal reproduction and secure transmission are essential. Its adaptable polar patterns and adjustable power output make it a strong choice for both intimate venues and large-scale events.