SHURE ULXD2-KSM9-G50-RST-4 Digital Wireless Handheld Microphone ULXD2/KSM9-G50-RST-4 Transmitter

( Brand: Shure ), ( Manufacturer Part Number: ULXD2/KSM9-G50-RST-4 ), ( Type: Microphones ), ( Form Factor: Vocal )

Review SHURE Ulxd2/ksm9-g50-rst-4 Ulxd2/ksm9-g50-rst Digital Wireless Handheld Microphone Transmitter Ksm9

The **Shure ULX-D2/KSM9-G50-RST-4** is a cutting-edge digital wireless handheld microphone transmitter system, engineered to deliver unparalleled audio clarity, reliability, and versatility for live sound applications, broadcast, and professional recording environments. At its core, this system combines the legendary performance of Shure s **KSM9** dynamic microphone a renowned workhorse in the industry with the advanced digital wireless technology of the **ULX-D2** platform, ensuring seamless connectivity and superior sound quality without the interference or latency issues common in analog systems. The **KSM9** itself is a robust, cardioid-pattern microphone designed for vocal performance, featuring a rugged construction with a matte black finish and a durable metal grille that protects against wear and tear in demanding environments. Its smooth, extended frequency response ranging from 20 Hz to 20 kHz captures every nuance of the voice with exceptional detail, while its built-in pop filter minimizes plosives for cleaner recordings. The microphone s low-mass diaphragm and optimized transducer design ensure a natural, uncolored sound, making it ideal for soloists, speakers, and vocalists who demand both warmth and precision.

The **ULX-D2** digital wireless system elevates this performance to new heights by eliminating RF interference and reducing latency to nearly imperceptible levels, thanks to its **D-Connect** technology, which provides a stable, low-latency connection between the transmitter and receiver. The system operates in the **G50** frequency range (2.4 GHz), a spectrum known for its wide availability and minimal congestion, ensuring reliable performance in crowded RF environments such as large venues, festivals, or multi-camera productions. The **RST-4** designation indicates that this is a **4-channel** system, allowing for simultaneous wireless operation of up to four microphones or other wireless devices, making it perfect for ensemble performances, panel discussions, or multi-talker scenarios where coordination and clarity are paramount. Each transmitter is equipped with a **user-friendly LCD display** that provides real-time feedback on signal strength, battery life, and channel status, empowering users to monitor performance and troubleshoot issues on the fly. The **ULX-D2** also features **Shure s proprietary D-Connect** technology, which dynamically adjusts to optimize audio quality based on environmental conditions, further enhancing the system s adaptability.

The **ULX-D2/KSM9-G50-RST-4** is built for durability and ease of use, with a **compact, ergonomic handheld design** that balances comfort during extended use. The transmitter s **integrated battery compartment** houses a **rechargeable lithium-ion battery**, offering up to **10 hours of continuous operation** on a single charge, while the **quick-release mounting clip** allows for secure attachment to a microphone stand or lanyard. The system s **low-profile antenna** ensures a clean, unobtrusive look, and its **water-resistant construction** (IP54 rating) protects against dust and splashes, making it suitable for outdoor broadcasts, stage performances, or environments where spills and environmental elements are a concern. Additionally, the **ULX-D2** supports **Shure s wireless management software**, **ULX Wireless Manager**, which enables users to configure, monitor, and troubleshoot the system via a computer or mobile device, streamlining setup and maintenance for audio engineers and technicians.

Beyond its technical prowess, the **Shure ULX-D2/KSM9-G50-RST-4** is designed with the professional user in mind, offering **intuitive controls** that include a **gain knob**, **PFL (Program/Monitor) button**, and **mute switch** for immediate access to critical functions. The system s **low-latency performance** ensures that vocalists and speakers hear their audio with minimal delay, reducing the need for headphones and enhancing the natural feel of live performances. The **KSM9 s** robust build and the **ULX-D2 s** reliability make this system a trusted choice for broadcasters, podcasters, educators, and performers who require a dependable, high-performance wireless solution. Whether used in a small conference room, a large concert hall, or an outdoor event, this system delivers **crystal-clear audio, seamless connectivity, and the peace of mind** that comes with Shure s reputation for innovation and quality. For those seeking the pinnacle of wireless microphone technology, the **Shure ULX-D2/KSM9-G50-RST-4** represents the perfect fusion of legacy excellence and modern digital engineering.

### Pros and Cons of buying a Shure ULX-D2/KSM9-G50-RST Digital Wireless Handheld Microphone System

1. **High-Quality Audio Performance** The KSM9 is a professional-grade dynamic microphone known for its clear, warm sound and low noise floor. It excels in live sound applications, podcasting, and recording due to its robust construction and superior sound reproduction.

2. **Digital Wireless Technology (ULX-D2)** The ULX-D2 transmitter uses Shure s digital wireless system, which offers superior interference resistance, longer battery life, and better audio quality compared to analog wireless systems. The 2.4 GHz frequency range minimizes interference from other devices.

3. **Reliable and Low-Latency Performance** Digital wireless systems like the ULX-D2 provide near-instantaneous signal transmission with minimal delay, making it ideal for live performances, presentations, and multi-microphone setups.

4. **Durable and Rugged Design** The KSM9 is built to withstand harsh conditions, with a sturdy metal grille and robust internal components. The ULX-D2 transmitter is also designed for professional use, with weather-resistant features in some models.

5. **Flexible Power Options** The ULX-D2 can be powered by rechargeable batteries (included) or via DC power, offering versatility depending on the setup. The KSM9 can also be powered by the transmitter or via phantom power (if used in a wired setup).

6. **Compatibility with Shure s Ecosystem** The system integrates seamlessly with other Shure wireless receivers (e.g., ULX-D2 receivers) and accessories, making it easy to expand or upgrade your setup in the future.

7. **Long Battery Life** The ULX-D2 transmitter provides extended battery life compared to analog systems, reducing the need for frequent replacements during long events.

8. **Low Noise and High Signal-to-Noise Ratio** The KSM9 is designed to capture clear audio even in noisy environments, making it suitable for outdoor events, large venues, or crowded spaces.

9. **Easy Setup and User-Friendly Controls** The ULX-D2 system is relatively straightforward to configure, with intuitive controls on the transmitter and receiver. Shure s software (e.g., ShurePlus) allows for additional customization and monitoring.

10. **Professional-Grade Build** Both the microphone and transmitter are built to last, with high-quality materials and craftsmanship that justify the investment for serious users.

---

1. **High Cost** The Shure ULX-D2/KSM9 system is a premium product, and the price reflects its professional-grade features. This may be prohibitive for casual users or those on a tight budget.

2. **Complexity for Beginners** While the system is user-friendly, the digital wireless technology and additional features (e.g., frequency management, latency settings) may be overwhelming for beginners or those unfamiliar with professional audio equipment.

3. **Limited Range Compared to Analog** While the ULX-D2 offers excellent interference resistance, its effective range (typically 100 300 feet line-of-sight) may be shorter than some analog systems in ideal conditions. Obstacles like walls or large objects can further reduce range.

4. **Dependency on Batteries** Even with long battery life, the need to carry spare batteries or a charger for extended use can be inconvenient. Analog systems sometimes offer more reliable power options in some scenarios.

5. **Potential for Latency in Certain Setups** While the ULX-D2 minimizes latency, some digital wireless systems may introduce slight delays in real-time applications (e.g., live streaming or critical vocal performances). This is usually negligible but worth considering for high-stakes use.

6. **Weight and Bulk** The KSM9 is a heavy microphone (approximately 1.5 lbs or 680g), which may not be ideal for handheld use during long periods. The ULX-D2 transmitter adds additional weight when worn on a lapel or handheld harness.

7. **Compatibility Limitations** While the system works well with Shure receivers, users relying on third-party receivers or non-Shure audio interfaces may encounter compatibility issues or require additional adapters.

8. **Learning Curve for Advanced Features** Features like Shure s frequency management, latency compensation, and software integration (e.g., ShurePlus) require some familiarity to fully utilize. This may not be necessary for basic use but could be a drawback for users seeking simplicity.

9. **Potential for Interference in Dense Environments** Although digital wireless systems are less prone to interference, crowded venues with many wireless devices (e.g., other microphones, cameras, or Wi-Fi networks) could still cause issues. Shure s system mitigates this with advanced frequency hopping, but it s not entirely immune.

10. **No Built-in Headphone Monitoring on Transmitter** Unlike some wireless systems, the ULX-D2 transmitter does not include built-in headphone monitoring. Users may need to rely on external headphones connected to the receiver or a separate audio interface for monitoring.

---

The Shure ULX-D2/KSM9-G50-RST system is one of the best professional wireless handheld microphone setups available, offering unmatched audio quality, reliability, and durability. It is ideal for live sound engineers, podcasters, speakers, and performers who demand high performance and low maintenance. The digital wireless technology ensures clear, interference-free audio, while the KSM9 s robust build and superior sound make it a top choice for demanding applications.

However, the system s high cost, complexity for beginners, and some limitations in range or latency may not be suitable for casual users or those with simpler needs. If budget or ease of use is a priority, alternative systems (e.g., analog wireless mics or lower-end digital systems) might be more appropriate.

For users who prioritize professional-grade performance, longevity, and reliability, the Shure ULX-D2/KSM9 system is an excellent investment. It is particularly well-suited for:

- Live performances (concerts, theater, worship)

- Professional podcasting or broadcasting

- Corporate presentations or large events

- Field recording or outdoor use

- Multi-microphone setups requiring synchronization

---

- You are a professional or serious enthusiast who requires the best audio quality and reliability.

- You work in live sound, podcasting, or public speaking where clarity and durability are critical.

- You are willing to invest in a high-end system that will last for years with minimal issues.

- You need a wireless solution that minimizes interference and offers long battery life.

- You are on a tight budget and can find comparable performance in a lower-cost system (e.g., analog wireless mics or mid-range digital systems).

- You are a beginner and prefer simplicity over advanced features.

- Your use case involves very short-range or simple setups where the added complexity of digital wireless is unnecessary.

- You prioritize portability and lightweight design over professional-grade build quality.

For most professional users, the Shure ULX-D2/KSM9 system is a worthwhile purchase that delivers exceptional value in terms of performance, durability, and versatility. It is a rare piece of equipment that remains relevant for decades, making it a long-term investment rather than a disposable purchase.

Details:

Engineered to exacting standards, the KSM9 reveals nuance and subtlety in a microphone optimized for most demanding live environments. The KSM9 is a premium vocal condenser microphone that captures subtlety with extraordinary detail to deliver clear articulation, functional flexibility, and precise reproduction for live performance. Frequency and power lockout. Features: Operates in the G50 Band 470-532MHz.

Backbit LCD with easy to navigate menu and controls. RF OUTPUT Antenna Type: Integrated Single Band Helical. Occupied Band width : Modulation Type: Shure Proprietary Digital. Rugged metal construction.

Housing: Machined aluminum. AUDIO INPUT Configuration: Unbalanced. Includes ULXD2/KSM9, 2 AA batteries, microphone clip, zipper bag, and user guide.

part #: ulxd2ksm9g50rst4 prices

• $299.00-$749.99

specifications micwisys:

• brand: Shure
• mpn: Ulxd2/ksm9-g50-rst-4
• type: Microphones
• form factor: Vocal

offer micwisys:

• started: June 2, 2026
• sold: 0
• availability: In Stock
• quantity: 1
• options: Ship-to-home

payments micwisys:

• credit card: Discover
• wallet: Apple-pay
• other

general micwisys:

• Musical Instruments Gear > Pro Audio Equipment > Microphones Wireless Systems
• condition: Used

returns micwisys:

• time: 30 Days
• policy: Returns Accepted
• paid by: Buyer
• method: Money back

shipping micwisys:

• service: Standard
• type: Fixed
• class: Standard
• transit: 3-7 Days
• cost: $0.00

seller micwisys:

• city: Verona, Wisconsin
• rating: 99.9%
• # reviews: 18786

Shure ULXD2-KSM9-G50-RST-4 Is Similar To:

• R662 Ulxd24 B58-l50 Shure Ulxd24-b58-j50 Wireless Microphone System (46.7% similar) ULXD4 receiver dimensions: 171 x 197 42MM WHO weight. Salable, intelligent hardware delivers the best performing digital wireless available, with a wide selection of trusted Shure microphones to choose from. Audio frequency range: 20 Hz to khz note: dependent on microphone type audio dynamic analog ...(January 18th, 2017)
• 0042406051316 Shure Dynamic Wired Professional Microphone (37.2% similar) You are a buying on used Shure SM57 dynamic microphone. Includes clip and 20' XLR cable. It is in like-new condition and has only been used sparingly...(October 30th, 2018)
• 0042406080545 Shure Dynamic Wireless Professional Microphone Read Full Ad (39.5% similar) It does not come with anything but other than what you see in the pictures. This item has been tested and works just fine...(March 13th, 2018)
• 0042406080804 Shure Dynamic Cable Professional Microphone Free Shipping (35.3% similar) Comes with road case and everything in the photos. Has minor cosmetic wear like scuffs and scratches, but nothing obnoxious. Used sparingly and fully functional. Everything was kept in its case when not use. Free shipping for this listing...(April 13th, 2018)
• 0042406088879 Unbranded Shure Pg48 Microphone (26.4% similar) Shure PG48 microphone pre-amp SYSTEM1X cardio id dynamic w audio buddy dual mic direct box m-audio...(November 26th, 2017)
• 0042406121125 Shure Wireless Microphone System Pro Handheld (38% similar) SLX2 transmitter is rugged and durable automatic channel sync with a push of button. Easy to use. Freq band g5 have one of these. I have two units available freq band g4 one of these. Clean clear reproduction of sound...(June 26th, 2018)
• 0042406214131 Shure Wireless Bodypack Transmitter With Lav Mic (37.3% similar) Please above in the gallery images for closeups. Functions perfect. And many more. Our flat rate shipping price is only for the lower 48 states. Org CX3 61 combo organ wow, shipping was very fast, great product. Lightening shipping. This wireless body pack is in perfect working condition. Some ...(November 9th, 2018)
• 0042406246385 Shure Dual Handheld Wireless Microphone System (42.8% similar) Missing mic clips. Shure BLX288 PG58 includes handheld transmitters and BLX88 dual-channel receiver. Precision-built and available in a variety of configurations, its the most accessible way to own stage...(June 27th, 2018)
• 042406064156 Shure Uhf The Vocal Artist Wireless System Microphones (41% similar) Up for sale is a Shure uhf the vocal artist wireless system UT4 654. We took it out to test and verify that the system is complete properly working. 1MHZ w 2 microphones SM58 and case...(March 20th, 2019)
• 042406246569 Shure Pro Handheld Wireless Microphone System Mic (39.8% similar) ...(May 9th, 2018)
• 042406249850 Shure Mxwncs8 Microflex Wireless (27.8% similar) Features: easily link docked transmitters to channels on an access point transceiver by pressing front-panel leds clearly display battery charge status remote runtime monitoring capability is available wireless control software or third-party systems smart recharging circuitry safeguards against ...(March 12th, 2017)