Sennheiser wireless digital microphone system with digital display on a dark background

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SENNHEISER EW-D CI1 SET -

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SENNHEISERSKU: EW-D CI1 SET (Q1-6)

FREQ: (Q1-6)

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$699.00 $839.00

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Versatile and feature-rich digital wireless system for those who sing, speak or play instruments that allows for seamless product pairing and management via the EW-D Smart Assist App. With a metal housing, the robust bodypack transmitter and included CI 1 instrument cable suit perfectly for daily use on stage.

Features

Digital transmission operating in the UHF spectrum greatly enhances range, reliability and scalability
Smart Assist App connects via Bluetooth Low Energy for a 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 every 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)

Top Specs

Dimensions212 x 44 x 189 mm
Weight (g)approx. 1000 g (without antennas and power supply)
Latency (ms)1.9 ms
Max. sound pressure level130 dB
Polar patternOmnidirectional
Sensitivity17 mV/Pa
Transducer principlepre-polarized condensor microphone
Transducer typePre-polarised condenser
ConnectionWireless
Connectors3.5mm

EFFORTLESS, WORRY-FREE WIRELESS

Full control via Bluetooth using the Smart Assist app.
Easy setup, monitoring, and troubleshooting—even for beginners.
Smart algorithms handle frequency selection and syncing, minimizing dropouts and interference.

ROCK-SOLID RELIABILITY

The most reliable UHF connection
German-engineered build quality
Pro-grade build quality with uncompromised fit and finish
Lightweight, rugged transmitters and receivers
Rack-mountable receivers for pro setups

PRISTINE SOUND QUALITY

Superior clarity via 24-bit resolution, surpassing analog systems.
Handles quiet and loud sources effortlessly with 134 dB dynamic range.
Sound feels natural and immediate with ultra-low latency (1.9 ms)
Evenly spaced frequencies eliminate intermodulation interference

FUTURE-PROOF & UPGRADABLE

Integrates easily with other Evolution Wireless components
Scales well for growing setups—from simple gigs to multi-channel stage productions
Compatible with a wide range of Sennheiser mic capsules (on the handheld VERSION)

Specifications
System
Bluetooth Low Energy (BLE) frequency range: 2402 - 2480 MHz
Audio frequency response: 20 Hz - 20 kHz (-3 dB) @ 3 dBfs
Audio THD: < -60 dB for 1 kHz @ -3 dBfs input level
EW-D EM (Rack Receiver)
Input voltage: 11 - 13 V
Input current: < 300 mA
Transmit power (radiated): BLE: max. 10 mW EIRP
Audio output power: 18 dBu max.
Dimensions: 212 x 44 x 189 mm
Weight: approx. 1000 g (without an tennas and power supply)
EW-D SK (Bodypack Transmitter)
Input voltage: 2.0 - 4.35 V
Input current: < 300 mA
Power supply: 2 AA batteries 1.5 V (alkali manganese) or BA 70 rechargeable battery pack
Occupied bandwidth: 200 kHz
Transmit power (radiated) Audio link: 10 mW ERP (Range Y1-3: 12 mW ERP)
BLE: max. 10 mW EIRP
Dimensions 63 x 80 x 20 mm (without antenna)
Weight (without batteries) approx. 120 g