Sennheiser EW-d CI1 Set (470,2 - 526 MHZ)
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- This item is covered for 3 years
What you need to know
What you need to know
- Clear and intelligible sound : UHF digital transmission to reduce noise, interference, and disturbances, ideal for voice.
- ME 4 lavalier microphone included : electret cardioid capsule with clip, designed to isolate speech and limit ambient sounds.
- Quick startup : automated configuration and control via the Sennheiser Smart Assist app (Bluetooth Low Energy) to avoid complex menus.
- Scalable system : wide frequency selection and multi-channel capacity (up to 90 channels depending on configuration) for studios, conferences, and stages.
Manufacturer Information
Sennheiser
https://www.sennheiser.com
contact@sennheiser.com
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Safety manager:
Sennheiser electronic SE & Co.
Email: contact@sennheiser.com
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Evolution Wireless Digital: A Modern Approach to Sennheiser UHF
With Evolution Wireless Digital, Sennheiser offers a modular wireless solution that incorporates principles from its high-end digital systems while remaining field-oriented. The goal is clear: simplify UHF management, ensure reliable connections, and speed up workflow through a more direct adjustment logic and mobile integration designed for users on the move.
Intended Uses? Voice, Presentation, Stage, and Content
The Sennheiser EW-D CI1 SET targets musicians, technicians, content creators, trainers, and speakers who need a discreet yet high-performance wireless lavalier microphone. The ME 4 (cardioid) excels in contexts where prioritizing voice over room noise, monitor feedback, or stage ambiance is essential, while maintaining natural diction.
Technical specifications
| Category | Complete system | Frequency band | Q1-6 – 470 à 526 MHz |
| Number of channels | 90 | Color | Black |
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Automatic sync true sound without stalling.
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Questions frequently asked
What frequency range does the Sennheiser EW-d CI1 Set use?
This Q1-6 version operates from 470.2 to 526 MHz, with a bandwidth of 56 MHz. The frequency must be selected according to local regulations and RF occupancy.
Is the ME 4 lavalier microphone suitable for stage use?
Thanks to its cardioid pickup pattern, the ME 4 prioritizes the voice over ambient noise and stage monitors. It is suitable for presentations, speeches, and performances requiring a discreet microphone.
How many wireless systems can operate simultaneously?
Frequency management supports up to 2,240 frequencies and up to 24 wireless systems per frequency band. Up to 90 channels can be used depending on conditions and setup.
What battery life does the EW-D SK beltpack transmitter offer?
The EW-D SK transmitter provides up to 12 hours with a lithium-ion battery or up to 8 hours using AA batteries. A set of AA batteries is included.
Can the system be controlled from a smartphone?
The Sennheiser Smart Assist app enables control via Bluetooth Low Energy. The single-channel EW-D EM receiver is rack-mountable and comes with a rack kit and the NT 12-5 CW+ power supply unit.



