Sennheiser EW-D EM (R4-9) – Digital Wireless Receive , 552-608 MHz
Sennheiser EW-D EM (R4-9) is a professional digital wireless receiver operating in the 552-608 MHz range. It ensures top-notch audio quality with digital UHF technology and intermodulation elimination. Supports Bluetooth Low Energy and intuitive Smart Assist app control. Features automatic frequency scanning, ultra-low latency (1.9 ms), and support for up to 90 simultaneous channels. The package includes antennas, power supply, and rack mounting accessories.
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Sennheiser EW-D EM (R4-9) – Digital Wireless Receiver
The Sennheiser EW-D EM (R4-9) digital receiver is a professional device that ensures exceptional sound transmission quality in the 552-608 MHz frequency range. Designed to work with transmitters from the Evolution Wireless Digital series, it offers unparalleled reliability, ease of use, and extensive configuration options.
Main Features
- UHF Digital Transmission – delivers high audio quality, no intermodulation, and stable connection.
- Smart Assist App Support – intuitive system management via Bluetooth Low Energy.
- Automatic Frequency Scan – auto-scan function quickly finds available frequencies.
- High Signal Dynamic Range – automatically adjusts sensitivity, eliminating the need for manual control.
- 56 MHz Bandwidth – supports up to 90 simultaneous channels, offering 2240 frequency options.
- Ultra-low Latency – just 1.9 ms ensures real-time signal transmission.
- Rack-mountable Design – easily mounts in a standard 19" rack.
Advanced Audio Transmission Technology
The Sennheiser EW-D EM (R4-9) uses digital UHF transmission, eliminating intermodulation issues. It offers a 600 kHz frequency grid for precise tuning and full compatibility in complex wireless setups.
Professional Applications
This receiver is perfect for stage performances, television production, recording studios, and houses of worship where reliability and clean audio transmission are essential.
Technical Specifications
- Frequency Range: 552-608 MHz
- Latency: 1.9 ms
- Dynamic Range: 134 dB
- Dimensions: 212 x 44 x 189 mm
- Weight: approx. 1000 g (excluding antennas and power supply)
- Connectivity: Bluetooth Low Energy
Included Accessories
- Sennheiser EW-D EM (R4-9) Receiver
- 2 Rod Antennas
- Power Supply with International Adapters
- Rack Mounting Kit
- Rubber Feet
- Quick Start Guide
- Warranty Card
Why Choose This Receiver?
The Sennheiser EW-D EM (R4-9) is a modern solution for professionals who value reliability, flexibility, and top-tier audio quality. With smart management features, wide compatibility, and user-friendly operation, this is the ideal choice for anyone seeking an efficient wireless system.
Product delivery details Sennheiser EW-D EM (R4-9) – Digital Wireless Receive , 552-608 MHz
Shipment from Warsaw, Poland.
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Sennheiser EW-D EM (R4-9) – Digital Wireless Receive , 552-608 MHz - Frequently asked questions.
Which transmitters are compatible with the Sennheiser EW-D EM (R4-9)?
The receiver is compatible with handheld and bodypack transmitters from the Evolution Wireless Digital series.
What frequency range does this receiver operate in?
The device operates in the 552-608 MHz range.
Does the device support Bluetooth?
Yes, the receiver features Bluetooth Low Energy for Smart Assist app management.
What accessories are included in the package?
The package includes the receiver, 2 rod antennas, power supply, rack mount kit, and a quick start guide.
What is the device's latency?
The signal delay is only 1.9 ms.
How many channels can the system support?
The system supports up to 90 simultaneous channels.
Can the receiver be rack-mounted?
Yes, it includes a kit for mounting in a standard 19" rack.
Does the receiver require manual sensitivity adjustments?
No, the EW-D technology automatically adjusts sensitivity.