Shure AD2/K9B – Axient Digital Handheld Wireless Transmitter with KSM9, Black

Product Overview

The Shure AD2/K9B is an Axient Digital handheld wireless microphone transmitter featuring the dual-diaphragm KSM9 condenser capsule in a black metal body. Designed for professional live sound, broadcast, and commercial AV deployments requiring the highest level of RF performance, the AD2 Axient Digital handheld transmitter delivers wide tuning up to 184 MHz, High Density mode, and AES 256 encryption—making it the choice for venues where spectrum is contested and audio quality cannot be compromised. Available in G57, K54, and X55 frequency bands, it integrates with Axient Digital receivers including the AD4D and AD4DUS dual-channel receivers.

Product Description

The KSM9 dual-diaphragm condenser capsule in the AD2/K9B captures vocal nuance with precision, offering switchable cardioid and supercardioid polar patterns to adapt to stage gain structure and feedback rejection requirements. The rugged all-metal body is built for the rigors of touring, live events, and fixed-installation environments. Two transmission modes—Standard for optimal coverage and High Density for maximum system channel count—give AV system designers flexibility for dense multi-channel deployments in large venues or multi-room conference environments. Rechargeable power via Shure lithium-ion batteries (SB900B/SB900C) with dockable charging eliminates battery logistics in high-use venues. For the compatible two-channel Axient Digital receiver, see the Shure AD4DUS Two-Channel Digital Wireless Receiver. Also available in nickel finish with KSM9HS capsule: Shure AD2/K9HSN.

Key Features

• KSM9 Dual-Diaphragm Condenser Capsule — Captures vocal detail and nuance with superior accuracy, featuring switchable cardioid and supercardioid polar patterns for adaptable gain structure in varied stage environments.
• Wide Tuning (up to 184 MHz) — Broad tuning range allows frequency coordination across heavily occupied RF spectrums, giving AV system designers maximum flexibility in challenging environments.
• High Density Mode — Enables maximum simultaneous channel count in a given frequency band, supporting large-scale wireless deployments in auditoriums, conference centers, and broadcast facilities.
• AES 256 Encryption — Secures wireless audio transmission for government, corporate, and sensitive live event applications.
• All-Metal Construction — Durable chassis withstands the physical demands of touring, live events, and daily-use commercial AV environments.
• Rechargeable Power with Dockable Charging — Compatible with Shure SB900B/SB900C lithium-ion batteries and SBRC/SBC220 docking chargers for streamlined battery management in multi-channel deployments.
• Standard and High Density Transmission Modes — Standard mode maximizes coverage and performance; High Density mode maximizes simultaneous channel count for large-scale multi-channel installations.
• Axient Digital Ecosystem Integration — Compatible with Axient Digital receivers and Wireless Workbench 6 for centralized monitoring, frequency coordination, and remote control.

Typical Applications

• House of worship
• Broadcast studio
• Auditorium
• Multi-purpose room
• Commercial meeting space
• All-hands room

Technical Specifications

Frequently Asked Questions

What receivers are compatible with the AD2/K9B?
The AD2/K9B is compatible with all Axient Digital receivers, including the AD4D and AD4DUS dual-channel receivers and the AD4Q quad-channel receiver. Frequency bands must match between transmitter and receiver.

What is the difference between Standard and High Density transmission modes?
Standard mode optimizes RF output for maximum coverage and audio quality. High Density mode reduces per-channel bandwidth to fit more simultaneous transmitters into the available spectrum—useful in large conferences, festivals, and broadcast environments where channel count is the priority.

Can the capsule be replaced?
Yes. The AD2/K9B accepts replacement capsules via the RPW series wireless cartridges (e.g., RPW184 for KSM9). This allows the body to be re-capsulated for different polar pattern or capsule character preferences without replacing the entire transmitter.

Does the AD2/K9B support Wireless Workbench 6?
Yes. When paired with an Axient Digital receiver connected to a network, the AD2/K9B can be monitored and controlled via Wireless Workbench 6—including RF level, battery status, and audio gain.

What charging options are available?
Compatible chargers include the SBC200 Dual Docking Recharging Station, SBC220 2-Bay Networked Docking Charger, SBC800 8-Bay Charger, and SBRC Shure Battery Rack Charger. All require compatible SB900B or SB900C batteries.