Sennheiser EW-D SKM (606,2 - 662 MHZ)
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Sennheiser
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Evolution Wireless Digital: Sennheiser's New Generation Wireless System
With Evolution Wireless Digital, Sennheiser advances the "Evolution" spirit towards a digital wireless system that is easier to deploy and more comfortable to use daily. The approach is clearly modular: the EW-D SKM-S is a handheld transmitter designed to integrate into the EW-D ecosystem, prioritizing a seamless experience from frequency scanning to fleet management.
This family incorporates working principles previously associated with the brand's high-end digital systems, notably through a constant interval tuning grid aimed at simplifying frequency organization and reducing coordination constraints in many production contexts.
Who It's For and What It's For: Ideal Handling for Voice and Presentation
The Sennheiser EW-D SKM-S is intended for singers, speakers, hosts, sound technicians, and service providers seeking a reliable handheld transmitter for recurring events: concerts, places of worship, businesses, educational institutions, studios, and rentals.
Key point: the microphone module is not included. This choice allows you to tailor the sound "color" and directivity to your use (spoken voice, singing, noisy stage, powerful monitors), while maintaining a single handheld transmitter at the core of the system.
Features and Highlights: Simplicity, Mobile Control, and High Scalability
Digital UHF Transmission: Clarity and Reliability in Real Conditions
The digital transmission aims to eliminate typical analog wireless issues (residual noise, interference, disturbances). By combining this processing with UHF transmission, the EW-D SKM-S emphasizes range, stability, and the ability to scale to denser configurations.
Accelerated Configuration and Modern Management via App
Thanks to Bluetooth Low Energy, the transmitter integrates into the mobile control ecosystem: the Sennheiser Smart Assist app facilitates configuration, access to settings, and remote control, while avoiding complex menu navigation. Result: less time spent on setup, more time focused on the performance.
Designed for Multi-System Fleets
The system is designed for speed and scalability: automated configuration to establish reliable connections in moments, a wide choice of available frequencies, and the capacity to support ambitious deployments (up to 90 channels within a 56 MHz band, depending on radio environment and local regulations). The transmitter also helps preserve playing and vocal nuances thanks to a declared 134 dB dynamic range for the transmitters.
Power Autonomy and Flexibility
To adapt to field constraints, the EW-D SKM-S can operate with AA batteries (included) and is designed for use with a lithium-ion battery offering a declared autonomy of up to 12 hours (compared to up to 8 hours with AA batteries, depending on usage conditions).
Technical specifications
| Category | transmitter |
| Frequency band | S1-7 – 606 à 662 MHz |
| Type | digital wireless handheld transmitter |
| Brand / series | Sennheiser Evolution Wireless Digital (EW-D) |
| Button | mute |
| Microphone module (head) | not included (sold separately) |
| Frequency range | S1-7 |
| Transmission | UHF |
| Indicated bandwidth | 56 MHz (up to 90 channels, depending on conditions) |
| Selectable frequencies | up to 2,240 |
| Indicated capacity | up to 24 wireless systems per frequency range |
| Dynamic range (transmitters) | 134 dB |
| Goal of digital transmission | reduction of noise, interference, and disturbances |
| Connectivity | Bluetooth Low Energy |
| Configuration | automated (reliable connections in minimal time) |
| Mobile application | Sennheiser Smart Assist (Android / iOS) |
| Power supplied | AA batteries |
| Declared battery life with AA batteries | up to 8 hours |
| Option | lithium-ion battery (declared battery life up to 12 hours) |
Questions frequently asked
Does the Sennheiser EW-D SKM 606.2-662 MHz come with a microphone capsule?
No microphone module is included: the microphone capsule is chosen separately according to the desired polar pattern and tonal character.
Which capsule can be used with this EW-D handheld transmitter?
The transmitter is designed to accept a microphone module from the Evolution Wireless Digital range, sold separately. The choice of capsule allows adaptation to spoken voice or singing. No compatible capsule references are provided in the available information.
What is the frequency of this Sennheiser wireless transmitter?
The S1-7 version covers the UHF range from 606.2 to 662 MHz, with a bandwidth of 56 MHz. Up to 2,240 selectable frequencies are available. The capacity indicated is up to 24 wireless systems per frequency range, depending on conditions.
What is the battery life with AA batteries?
With supplied AA batteries, the specified battery life is up to 8 hours. An optional lithium-ion battery extends the stated runtime up to 12 hours.
Can the transmitter be configured from a smartphone?
Thanks to Bluetooth Low Energy, configuration and control are done via the Sennheiser Smart Assist app on Android and iOS. A mute button is directly available on the transmitter.
