SENNHEISER 509343 Ew Dx Em Wireless Receiver R1-9 520-607.8

( Brand: Sennheiser ), ( Manufacturer Part Number: 509343 ), ( Model: 2 R1-9 ), ( Part Type: Receiver ), ( Form Factor: Microphone Receiver ), ( Color: Silver, Black ), ( Connectivity: Wireless ), ( Features: 2 Ch Diversity Receiver )

Review SENNHEISER Ew dx Em Ch Wireless Receiver Mhz

The **Sennheiser ew-dx EM R1-9 Wireless Receiver (Part Number: 509343, Model: 520-607.8)** is a high-performance, professional-grade wireless receiver designed to deliver crystal-clear audio with unparalleled reliability and flexibility for live sound, broadcasting, and recording applications. Engineered to meet the demands of modern audio professionals, this receiver operates within the 2.4 GHz frequency range, offering seamless integration with Sennheiser s extensive line of wireless microphone systems, including the EM 56, EM 40, and EM 30 series transmitters. Its robust construction ensures durability in demanding environments, whether on stage, in a studio, or during outdoor events, while its compact yet sturdy design allows for easy installation and portability.

At the heart of the ew-dx EM R1-9 lies advanced digital technology, enabling it to handle multiple wireless signals simultaneously with minimal interference, thanks to its adaptive frequency-hopping spread spectrum (FHSS) modulation. This ensures stable, high-fidelity audio transmission even in crowded RF environments, where competing signals could otherwise disrupt performance. The receiver features a user-friendly interface with an intuitive LED display, providing real-time feedback on signal strength, battery levels, and connection status, allowing operators to quickly troubleshoot and optimize performance. Its built-in antenna offers strong reception, while the optional external antenna input (via a 7/8" connector) further enhances signal stability and range, making it ideal for large venues or challenging acoustic spaces.

One of the standout features of the ew-dx EM R1-9 is its compatibility with Sennheiser s proprietary EM technology, which delivers exceptional audio quality with low latency and minimal noise. The receiver supports both analog and digital outputs, offering versatility for integration into existing audio setups, whether through XLR or AES/EBU connections. Its robust power supply accommodates a wide range of voltage inputs (typically 12V DC), ensuring compatibility with various power sources, while its low power consumption extends battery life for portable setups. Additionally, the receiver s robust build quality, with a metal housing and ruggedized components, ensures longevity and resistance to environmental factors such as dust, moisture, and temperature fluctuations.

For professionals who demand precision and reliability, the ew-dx EM R1-9 also includes advanced features like channel assignment flexibility, allowing users to pair it with multiple transmitters across different channels for complex multi-camera or multi-microphone setups. Its compatibility with Sennheiser s wireless control software further simplifies configuration and monitoring, enabling operators to manage multiple receivers and transmitters from a single interface. Whether used in live performances, film and television production, podcasting, or studio recording, this receiver delivers the performance and dependability required to capture every detail with clarity and consistency. With its blend of cutting-edge technology and professional-grade construction, the Sennheiser ew-dx EM R1-9 stands as an indispensable tool for audio engineers and sound technicians seeking the highest standards of wireless audio transmission.

### **Pros and Cons of the Sennheiser EW-DX eW-R1-9 Wireless Receiver (520-607.8)**

1. **High-Quality Audio Performance** The Sennheiser EW-DX system is known for delivering professional-grade audio with minimal latency and excellent sound clarity, making it ideal for live sound, podcasting, and recording.

2. **Reliable Wireless Connectivity** The R1-9 receiver supports 2.4 GHz wireless transmission with a range of up to 100 meters (328 feet) in open space, ensuring stable connections even in crowded environments.

3. **Low Latency** The system is designed for real-time applications, with latency as low as 10 milliseconds, which is crucial for live performances, broadcasting, and gaming.

4. **Compatibility with Multiple Devices** The R1-9 can pair with multiple Sennheiser wireless microphones (up to 9 devices in a single system), making it versatile for group setups.

5. **Durable and Rugged Build** The receiver is built to withstand harsh conditions, making it suitable for outdoor events, stage performances, and professional recording sessions.

6. **Easy Setup and Integration** The system includes intuitive controls and works seamlessly with Sennheiser s proprietary software (e.g., Sennheiser Audio App) for configuration and monitoring.

7. **Professional-Grade Features** Includes features like automatic gain control (AGC), noise reduction, and adjustable frequency bands to minimize interference.

8. **Long Battery Life** The receiver s battery lasts for extended use, reducing downtime during long events.

---

1. **High Cost** The Sennheiser EW-DX system is a premium product, making it expensive compared to consumer-grade wireless receivers.

2. **Complex Setup for Beginners** While user-friendly, the initial configuration may require some technical knowledge, especially when managing multiple wireless devices.

3. **Limited Consumer Support** Sennheiser s customer support may not be as readily available as with mass-market brands, which could be a drawback for non-professional users.

4. **Compatibility Issues with Non-Sennheiser Devices** The system is optimized for Sennheiser microphones and may not integrate seamlessly with third-party wireless gear.

5. **Battery Dependency** While durable, the receiver relies on batteries, which must be replaced periodically, adding maintenance overhead.

6. **Potential Interference in Dense RF Environments** In areas with heavy wireless activity (e.g., large venues), signal interference could still occur despite frequency-hopping technology.

7. **No Built-in Mixing or Processing** Unlike some all-in-one systems, the R1-9 receiver focuses on transmission rather than audio mixing or effects, requiring additional equipment for full control.

---

### **Conclusion and Recommendation**

The **Sennheiser EW-DX eW-R1-9 wireless receiver** is a high-end, professional-grade solution ideal for live sound engineers, podcasters, broadcasters, and recording professionals who demand reliability, low latency, and superior audio quality. Its strengths lie in its durability, wireless stability, and seamless integration with Sennheiser s microphone ecosystem.

However, the **high cost, complexity for non-technical users, and lack of consumer-level support** make it less suitable for casual users or those on a tight budget. If you require a **professional wireless system for critical applications** (e.g., live performances, studio recording, or broadcasting), this receiver is an excellent investment. For **casual use, gaming, or budget-friendly setups**, alternative brands like **Rode, Shure, or consumer-grade wireless receivers** may offer better value.

Purchase the **Sennheiser EW-DX eW-R1-9** if you are a professional working in live sound, broadcasting, or high-end recording and can justify the cost. For hobbyists or those needing a more affordable option, consider lower-cost alternatives that still meet your basic wireless needs.

Details:

Super clean and works perfectly. Message me with any questions and I'll do my best to get back you within 24 hours. Sennheiser receiver is in excellent condition. Cared for in a smoke-free, pet-free studio.

Free shipping via UPS Ground USA only. Like new, barely used and always in a rack.

part #: 509343 prices

• $699.00-$3499.00

specifications micwisys:

• brand: Sennheiser
• mpn: 509343
• model: 2 R1-9
• part type: Receiver
• form factor: Microphone Receiver
• color: Silver, Black
• connectivity: Wireless
• features: 2 Ch Diversity Receiver

offer micwisys:

• quantity: 1
• availability: In Stock
• sold: 0
• options: Ship-to-home
• started: May 25, 2026
• best offers: True

returns micwisys:

• policy: No Returns

general micwisys:

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

payments micwisys:

• other
• credit card: Visa
• wallet: Google-pay
• money order

seller micwisys:

• rating: 100.0%
• city: Columbus, Ohio
• # reviews: 669

shipping micwisys:

• transit: 4-8 Days
• service: UPS Ground
• class: Standard
• cost: $0.00
• type: Calculated
• carrier: UPS

Sennheiser 509343 Is Similar To:

• 05058 Sennheiser Skp Miniture Wireless Transmitter Freq (42.3% similar) Features: RF frequency range b: 630 662MHZ 16-CHANNEL switchable frequencies unable in 25 khz Stephan plus noise reduction robust metal housing switchable 48 v phantom powering electronically balanced input mute functionary output power 30MWAUDIO-XLR connector XLR-3SIGNAL-TO-NOISE ratio 115 db speak...(August 23rd, 2018)
• 0615104148871 Sennheiser Ew Lavalier Wireless Professional Microphone (40.9% similar) Product code all original accessories and manual included. Frequency mhz. You are buying on a brand new, never used Sennheiser Eng set. EW100ENG G3...(June 5th, 2018)
• 0615104153035 Sennheiser Ew Wireless Professional Microphone Freg (40.6% similar) Overview express yourself hands free: cover the whole stage and focus on your performance rather than holding microphone. 1 em 100 g3 rack-mount SK body pack me 3-EW headset cardio id NT 2 power supply unit antennas stacking elements AA batteries operating instructions. The included super-cardio id ...(March 5th, 2018)
• 2000h2-935bk Sennheiser Dual Channel Hand Held Wireless Microphone System (36.9% similar) Ethernet allows the system to be networked with a PC, and remotely controlled Sennheiser Sm software. 75MHZ squelch: off, db v can be set in 2DB steps inter modulation distortion: 75 antenna connector: 2 NBC 50O gain: x 10. 3,000 presets: max. 5 db based on antenna inputs operating temperature: 14 ...(June 24th, 2018)
• 2000h2-935bk-a Sennheiser Dual Channel Handheld Wireless Microphone System Aw (35.9% similar) 5 v batteries microphone CLIP8 x color-coded RINGS2 rod antennas self-adhesive device feet instruction manual supplementary frequency sheet supplementary RF power SHEET1 year warranty. Frequency range aw 516-558MHZ the Sennheiser 2000 series dual handheld wireless microphone system consists of em ...(October 16th, 2018)
• 4433 Sennheiser Skm Handheld Wireless Professional Microphone System 4044155004441 (37.3% similar) Great sounding German made mics at a price. Dual rack mounted receivers with whip antennas, ac power supplies. Excellent condition hardly used with nary a scratch on either mic body. 16 uhf channels to chose from for best reception. Color code caps for easy visual id or change to black...(April 14th, 2019)
• 501056 Sennheiser Condenser Wireless Professional Microphone Used 0615104100053 (35.4% similar) ...(July 31st, 2018)
• 502567 Sennheiser Ab Band Mhz 615104147164 (30.9% similar) This is the ab 3 RF antenna booster for your Sennheiser wireless microphone system. Nearly every order received by 3PM eastern ships the same day. It works in the a-band range. From handheld, mic-based transmitters to body pack units, versatile rack mountable receivers premium-quality accessories, ...(August 17th, 2018)
• 502572 Sennheiser Band Mhz Rf Booster 4044155032222 (26.9% similar) Please do this research before buying and know what you are purchasing. Sennheiser AB3-G band, mhz RF booster for wireless antenna range includes short coaxial cable there could be important accessories not included. FedEx's full retail price is the you pay if were to walk into a FedEx location. The...(October 4th, 2018)
• 502576 Sennheiser Mmd Wireless Microphone Capsule Black 615104147966 (35.3% similar) Sanitation fee the for mouthpieces under 300 is sanitation fee. Due to the unique g3 capsule design, users can change capsules on any Sennheiser handheld microphone in mere seconds-without tools. This SENNHEISERMME845 wireless microphone capsule is a superseded dynamic vocal head for skim 2000 ...(January 1st, 2019)
• 502579 Sennheiser Mmd Wireless Mic Capsule Black 615104148109 (35.7% similar) Its warm tonal response and expansive range, coupled with presence lift present vocal clarity projection. Return handling charge. SENNHEISERMME945 wireless mic capsule black power, clarity and projection in a premiere. Whether you're looking for a single live mic an intimate setting or using several...(October 23rd, 2018)