Sennheiser EW-D CI1 Digital Wireless Instrument Set

Overview

The Sennheiser 508731 is a digital wireless instrument set designed to provide musicians and performers with reliable, high-quality audio transmission. It features a robust bodypack transmitter paired with a CI 1 instrument cable in a durable metal casing, ensuring durability for frequent stage use. Operating within the UHF spectrum, it offers a wide tuning bandwidth with up to 90 channels and 2,240 selectable frequencies, allowing for interference-free performance in complex wireless environments.

Setup is streamlined through the Bluetooth-enabled Smart Assist App, which enables remote control and configuration from a smartphone or tablet. The system captures sound with a wide 134 dB audio input dynamic range, delivering clear and natural audio without the need for manual sensitivity adjustments. With an optional lithium-ion battery providing up to 12 hours of continuous operation, this set supports long performances and rehearsals without interruption.

Key features

• UHF digital transmission that extends range and enhances signal reliability for consistent audio quality on stage
• Bluetooth-enabled Smart Assist App simplifies setup and allows remote system control, saving time during live events
• Auto-scan function quickly identifies the best available frequencies to avoid interference and ensure stable connections
• Wide 134 dB audio input dynamic range captures detailed sound nuances without manual adjustments
• Equidistant frequency grid with up to 90 channels provides flexibility for coordinating multiple wireless systems
• 2,240 selectable frequencies enable precise tuning to crowded wireless environments
• Optional lithium-ion battery supports up to 12 hours of continuous use, ideal for extended gigs and rehearsals

Key specs

• Frequency range: UHF spectrum with 56 MHz tuning bandwidth
• Channels: Up to 90 available channels
• Selectable frequencies: 2,240
• Audio input dynamic range: 134 dB
• Battery life: Up to 12 hours with optional lithium-ion battery
• Transmitter type: Bodypack with metal casing
• Connectivity: Bluetooth Low Energy for Smart Assist App integration

Connectivity and compatibility

The system connects seamlessly with a wide range of instruments via the included CI 1 instrument cable, ensuring compatibility with guitars, basses, and other wired instruments. The Bluetooth Low Energy connection to the Smart Assist App allows users to configure and monitor the system remotely from compatible smartphones or tablets, enhancing convenience during setup and live use.

Ideal uses and environments

This wireless instrument set is well suited for live performers who require dependable sound quality and easy setup in various settings, from small clubs to large stages. Its robust design and flexible frequency options make it a strong choice for musicians who move freely during performances and need a system that can handle busy wireless environments without signal dropouts or interference.