The Sennheiser EW-DME2/835-SR4-9 SET is a comprehensive digital wireless microphone system that combines the versatility of a handheld transmitter with a professional vocal microphone capsule and a portable rackmount receiver. Operating within the R4-9 frequency band (552 to 607 MHz), this system utilizes high-fidelity 24-bit/48 kHz digital wireless transmission to deliver broadcast-quality audio with exceptional clarity, wide dynamic range, and ultra-low latency for live sound, broadcast, and fixed installation applications. The handheld transmitter is integrated with Sennheiser's renowned ME2 cardioid condenser capsule, providing detailed vocal reproduction with effective rear rejection to minimize feedback and ambient noise. Alternatively, the system is also offered with the popular 835 dynamic vocal capsule, offering a robust, warm sound tailored for high-SPL live vocal performances. This flexibility allows users to select the microphone characteristics best suited to their specific vocalist and application.

The system's four-channel rackmount receiver (SR4-9) is engineered for reliability and dense channel operation, housing four independent true-diversity receivers in a single 1U rack space. It features a high-resolution color touchscreen that provides intuitive access to all critical parameters for each channel, including individual gain control, comprehensive audio and RF metering, and remote control of paired transmitters. A key professional feature is the integrated Ethernet port, enabling seamless connectivity to Sennheiser's Wireless Systems Manager software for sophisticated remote monitoring, coordinated frequency planning, and bulk configuration of entire wireless networks—an indispensable tool for managing large-scale events or installations with multiple wireless systems. The receiver's robust metal construction ensures durability for touring, while its comprehensive output options, including analog XLR and digital Dante/AES67 over IP (on select models), offer seamless integration into any audio infrastructure.

Designed for the modern audio professional, the EW-D series incorporates intelligent features that streamline workflow and enhance system performance. The system employs Automatic Frequency Management, which scans the RF environment and suggests optimal, interference-free frequencies for all channels. It also supports 256-bit AES encryption for secure transmission, meeting the demands of corporate and government applications. With a robust operating range, long battery life for the handheld transmitter, and professional-grade components throughout, the Sennheiser EW-DME2/835-SR4-9 SET provides a scalable, reliable, and future-proof wireless solution that delivers pristine audio quality and unparalleled control for the most demanding professional environments.