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Sennheiser EW-D CI1 SET Evolution Wireless Digital Instrument System EW-D CI1 SET (S1-7) – 508733 (Available date: 15-07-2025)

Sennheiser EW-D CI1 SET Evolution Wireless Digital Instrument SystemVersatile 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. This

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Sennheiser EW-D CI1 SET Evolution Wireless Digital Instrument System

Name: Sennheiser EW-D CI1 SET Evolution Wireless Digital Instrument System EW-D CI1 SET (S1-7) - 508733 (Available date: 15-07-2025)
SKU: ALEH62489048161
Availability: InStock

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. This handheld transmitter is compatible with a wide range of Sennheiser and Neumann microphone capsules.

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

The auto-scan creates reliable connections with minimal time and effort

134 dB audio input dynamic range eliminates the need for sensitivity adjustments and preserves every detail

Elimination of intermodulation enables channels to be placed in a central 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)

SETS AVAILABLE IN VARIOUS FREQUENCIES

Frequency variants	Region
Q1-6	470.2 – 526 MHz	EU, US, Canada, Middle East, Japan
R1-6	520 – 576 MHz	EU, US, Canada, Australia, Middle East, Japan
R4-9	552 – 607.8 MHz	EU, US, Canada, Australia, Middle East, Japan
S1-7	606.2 – 662 MHz	UK, Australia, Korea, Japan
S4-7	630 – 662 MHz	EU
S7-10	662 – 693.8 MHz	China
U1/5	823.2 – 831.8 MHz & 863.2 – 864.8 MHz	EU, UK
V3-4	925.2 – 937.3 MHz	Korea
Y1-3	1785.2 – 1799.8 MHz	EU, UK, Australia

SPECIFICATIONS

Dimensions	212 x 44 x 189 mm 63 x 80 x 20 mm (without antenna)
THD, total harmonic distortion	-60 dB for 1 kHz @ -3 dBfs input level
Weight	approx. 1000 g (without antennas and power supply) approx. 120 g
Power supply	2 AA batteries 1.5 V (alkaline manganese) or BA 70 rechargeable battery pack
Current consumption	300 mA < 300 mA
Input voltage range	2.0 – 4.35 V 11 – 13 V
Audio output level	18 dBu max.
Transmission power	BLE: max. 10 mW EIRP Audio link: 10 mW ERP (Range Y1-3): 12 mW ERP BLE: max. 10 mW EIRP
Operating temperature	-10 C – +55 C (14 F – 131 F)
Audio frequency response	20 Hz – 20 kHz (-3 dB) @ 3 dBfs
Operating relative humidity	5 – 95 % (non-condensing)

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