The Sennheiser EW-D CI1 SET is a professional, fully digital wireless system specifically engineered for electric guitarists and bassists, providing cable-free mobility with pristine audio fidelity. Operating within the 470 to 526 MHz UHF frequency band, this system delivers robust, interference-resistant RF performance ideal for live stages and studio environments. The set includes a specialized digital bodypack transmitter with a built-in high-quality direct input (DI) circuit and a compatible true-diversity receiver, offering a complete, optimized solution that captures the pure tone of the instrument at the source and transmits it wirelessly without compromising the instrument's natural character or dynamic response.

The core of the system is the CI 1 instrument bodypack transmitter. It features a standard 1/4-inch input jack for connecting the instrument cable and incorporates a sophisticated DI circuit designed to faithfully capture the full frequency range and nuances of pickups and onboard electronics. This design ensures that the tonal signature, from clean passages to high-gain distortion, is transmitted with accuracy. The digital signal conversion happens within the transmitter itself, creating a clean, secure digital stream for wireless transmission. The compact digital receiver features a clear color display for monitoring system status, RF signal strength, audio levels, and transmitter battery life, along with advanced features like automatic frequency management and 128-bit AES encryption.

Engineered for seamless integration into a musician's setup, the system offers plug-and-play simplicity with intelligent channel selection. The digital architecture provides immunity to RF intermodulation, ultra-low latency that feels instantaneous to the player, and a wide dynamic range that preserves picking dynamics and sustain. The receiver provides both balanced XLR and unbalanced 6.3 mm jack outputs, allowing direct connection to a guitar amplifier input, pedalboard, or mixing console. As a complete set, the Sennheiser EW-D CI1 provides guitarists and bassists with a reliable, high-fidelity digital wireless solution that combines the freedom of wireless performance with the uncompromised tone and response demanded by professional musicians.