Description
The Shure ULXD2/KSM9 digital handheld wireless microphone transmitter is built for professional-grade vocal performance, delivering exceptional clarity, reliability, and flexibility in demanding live environments. Designed for seamless integration with ULX-D wireless systems, this transmitter features a premium KSM9 condenser capsule with dual-diaphragm architecture, capturing every vocal nuance with precision and consistency.
Engineered for versatility, the KSM9 capsule offers switchable cardioid and supercardioid polar patterns, allowing sound engineers to adapt quickly to different stage conditions. Whether optimizing for warmth and natural tone or maximizing isolation in high-noise environments, the ULXD2/KSM9 ensures superior gain before feedback and minimal off-axis coloration.
With 24-bit/48 kHz digital audio, AES 256-bit encryption, and an ultrawide 138 MHz tuning range, this transmitter delivers pristine sound quality and secure, interference-resistant performance. The rugged aluminum housing, intuitive controls, and advanced power management options make it a dependable choice for touring professionals, houses of worship, corporate events, and broadcast applications.
| Specification | Details |
|---|---|
| Wireless Technology | Digital UHF |
| RF Frequency Band | G57: 470 to 608 MHz |
| Audio Resolution | 24-bit / 48 kHz |
| Max Operating Range | Up to 100 m (328 ft) |
| RF Output Power | Selectable: 1 mW, 10 mW, 20 mW |
| RF Channel Frequencies | 5520 |
| Max Transmitters per Band | Up to 47 |
| Latency | Less than 2.9 ms |
| Encryption | AES 256-bit secure transmission |
| 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 at 1 kHz |
| Gain Range | 0 to 21 dB in 3 dB steps |
| Automatic Gain Control | Yes, proprietary gain ranging |
| Sync Method | Infrared (IR) |
| Display | Backlit LCD with menu navigation |
| Muting | Power switch doubles as mute |
| Antenna | Fixed single-band helical |
| Battery Type | 2 AA batteries included or optional SB900B rechargeable |
| Battery Life | Up to 11 hours (AA) or 8.5 hours (rechargeable) |
| Charging Capability | External charging contacts for docked charging |
| Housing Material | Aluminum |
| Dimensions | 256 x 51 mm |
| Weight | 340 g without batteries |
| Included Accessories | Swivel adapter, 2 AA batteries, storage bag |
| Compatibility | Shure ULX-D wireless systems and interchangeable Shure capsules |
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
