Sennheiser EW-D SK (R4-9) — Digital Bodypack Transmitter
EW-D SK (R4-9) Overview
The Sennheiser EW-D SK (R4-9) is a professional digital bodypack transmitter built for the EW-D wireless system platform, operating in the R4-9 frequency band. Designed for touring, broadcast, houses of worship, and installed sound environments, it delivers streamlined pairing and app-based control to reduce setup time and simplify system management. Compatibility with a wide range of Sennheiser headset and lavalier microphones makes it a versatile front-end solution for engineers and integrators working across multiple applications.
The EW-D SK integrates into the broader EW-D ecosystem, allowing centralized control and monitoring through Sennheiser’s software and mobile app tools for efficient workflow on complex productions.
Key Features
- Digital Wireless Platform — Part of the EW-D system, delivering digital audio transmission for professional-grade reliability and audio quality
- Easy Pairing — Simplified sync process reduces setup time in fast-paced live and broadcast environments
- App Control — Compatible with Sennheiser’s app-based control tools for remote parameter adjustment and system monitoring
- Headset & Lavalier Compatibility — Works with a broad range of Sennheiser headset and lavalier microphone capsules for flexible deployment
- R4-9 Frequency Band — Operates in the R4-9 band, providing frequency coordination options suited to a variety of regional RF environments
- EW-D Ecosystem Integration — Designed to work seamlessly with EW-D receivers and Sennheiser wireless management software for centralized control

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