EW-D CI1 Set Wireless Set

• Digital transmission operating in the UHF spectrum enhances range, reliability and scalability
• Smart Assist App connects via Bluetooth Low Energy for streamlined setup and operation at a distance
• Auto scan creates reliable connections with minimal time and effort
• 134 dB audio input dynamic range eliminates need for sensitivity adjustments and preserves detail
• Elimination of intermodulation enables channels to be placed in an equidistant tuning grid 600 kHz apart
• 56 MHz of tuning bandwidth and equidistant spacing enables up to 90 channels
• 2,240 selectable frequencies allow for fine tuning
• Lithium-Ion battery pack (sold separately) delivers up to 12 hours of operation (up to 8 hours of operation with 2x provided AA batteries)

Compatible with standard electric guitars, bass guitars, and acoustic-electric instruments with a 1/4-inch jack output. Fully compatible with the Sennheiser EW-D Smart Assist App via Bluetooth Low Energy on iOS and Android devices, as well as Evolution Wireless Digital components.

• EW-D receiver
• EW-D SK bodypack transmitter
• CI 1 instrument cable
• 2x AA batteries
• Power supply

• EU_DoC_EW-D_signed.pdf
• Instruction_manual_and_frequently_asked_questions_-_Evolution_Wireless_Digital_EW-D_EW-DX_EW-DP_PDF_.pdf
• ew-d_bedienungsanleitung_06_2026_de.pdf
• 2024_03_Evolution_Wireless_Digital_Family_BizCom_Digital_Product_Guide_EN.pdf
• 2024_03_Evolution_Wireless_Digital_Family_BizCom_Digital_Product_Guide_ES.pdf
• 2024_03_Evolution_Wireless_Digital_Family_BizCom_Digital_Product_Guide_FR.pdf
• 2024_03_Evolution_Wireless_Digital_Family_BizCom_Digital_Product_Guide_DE.pdf
• 2024_03_Evolution_Wireless_Digital_Family_BizCom_Digital_Product_Guide_ZH.pdf
• 2024_02_BizCom_Mic_Guide_Digital_FR.pdf
• 2024_02_BizCom_Mic_Guide_Digital_DE.pdf

What is the battery life of the EW-D CI1 Set?

The system operates for up to 8 hours with the included 2 AA batteries, or up to 12 hours with an optional rechargeable Lithium-Ion battery pack.

How does the Smart Assist App work with this wireless system?

The EW-D Smart Assist App connects via Bluetooth Low Energy for streamlined remote setup, automated frequency scanning, monitoring, and operation.

What is the audio latency of the system?

The EW-D CI1 Set operates with an ultra-low digital latency of 1.9 ms.

How many channels can be operated simultaneously?

The system features a 56 MHz tuning bandwidth with equidistant channel spacing that accommodates up to 90 channels.