Description
The Shure AD2/KSM9B is a premium digital handheld wireless microphone transmitter designed for professional live sound environments using the Axient Digital platform. Engineered for exceptional vocal clarity and RF stability, this transmitter features the renowned KSM9 dual-diaphragm condenser capsule, delivering studio-quality sound with precise articulation and natural tonal balance.
With switchable cardioid and supercardioid polar patterns, the KSM9 capsule adapts seamlessly to different stage environments, offering flexibility for performers and front-of-house engineers. The transmitter operates across a wide UHF tuning range with selectable RF output power levels, ensuring reliable performance in both standard and high-density RF environments.
Built for demanding applications, the AD2/KSM9B combines rugged aluminum construction with advanced features such as AES 256-bit encryption for secure transmission, automatic gain adjustment, and intuitive controls via a backlit LCD. Its interchangeable capsule design allows compatibility with a wide range of Shure microphone heads, making it a versatile solution for touring professionals, broadcast, and high-end installations.
| Specification | Details |
|---|---|
| Wireless Technology | Digital UHF |
| RF Frequency Band | G57: 470 to 616 MHz |
| RF Bandwidth | 146 MHz |
| Max Operating Range | Up to 328 ft (100 m) line of sight |
| RF Output Power | Selectable: 2 mW / 10 mW / 35 mW |
| Audio Latency | 2 to 2.9 ms (selectable) |
| Encryption | AES 256-bit |
| Capsule Type | KSM9 Dual-Diaphragm Condenser |
| Polar Patterns | Cardioid, Supercardioid |
| Frequency Response | 50 Hz to 20 kHz |
| Maximum SPL | 152 dB |
| Sensitivity | -51 dBV/Pa (1 kHz) |
| Gain Adjustment Range | -12 to +21 dB |
| Sync Method | Infrared (IR) |
| Display | Backlit LCD |
| Controls | Power/Mute Switch, Lock Functions |
| Battery Type | 2x AA or SB900A Rechargeable Battery |
| Battery Life | Up to 8 hours (AA), up to 9 hours (SB900A) |
| Charging Capability | External charging contacts for docked charging |
| Housing Material | Aluminum |
| Dimensions | 10.1 x 2 in (256 x 51 mm) |
| Weight | 12 oz (340 g) without batteries |
| Antenna | Internal Single-Band Helical |
| Compatibility | Shure Axient Digital Receivers |
| Included Accessories | 2 AA batteries, zipper bag, threaded adapter, swivel adapter, battery contact cover |
Payment & Security
Your payment information is processed securely, and we do not store credit card details or access your credit card information.
Return Policy (Short Summary)
We offer a 30-day return window for most unopened, factory-sealed items.
Returns must be authorized before shipping back and must include all original packaging and accessories. Opened or used items are not returnable unless defective.
Some products—such as custom orders, special-order items, audio gear, software, and LED video walls—are non-returnable. Non-defective returns may be subject to a 20–30% restocking fee, and customers are responsible for return shipping costs.
For damaged or incorrect items, please contact us immediately.
From Scope to Sign-Off
A structured delivery process designed to reduce risk and keep projects moving.
Plan
Discovery, site review, requirements gathering, and project alignment. We define scope, constraints, and success criteria before any design work begins.
- Discovery calls & stakeholder interviews
- On-site survey & infrastructure review
- Requirements & use-case documentation
- Project scope, timeline & milestone alignment
Engineer
System design, schematics, signal flow, BOM development, and documentation. Every project leaves this phase with a complete engineering package.
- AV system design & signal flow diagrams
- Equipment selection & BOM development
- Rack layout & control system design
- As-built documentation package
Deploy
Procurement, logistics, installation, programming, commissioning, and training. We own the delivery from first shipment to final handoff.
- Authorized procurement & logistics coordination
- Physical installation & cable management
- Control system programming & configuration
- Commissioning, testing & end-user training
Support
Monitoring, maintenance, lifecycle planning, and long-term service agreements. We stay engaged long after project close.
- 24/7 remote system monitoring
- Preventive & reactive maintenance
- Technology lifecycle & refresh planning
- Long-term service level agreements
A decade of delivery — trusted by 275+ clients across industries
