Professional Digital Wireless Performance The Sennheiser EW-D SK Bodypack Transmitter is a core component of the Evolution Wireless Digital ecosystem,... Read more
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The Sennheiser EW-D SK Bodypack Transmitter is a core component of the Evolution Wireless Digital ecosystem, delivering reliable, high-performance wireless audio for professional applications. Designed for use with compatible EW-D receivers, it provides a flexible solution for speech, presentation and live performance environments.
Utilising digital UHF transmission, the EW-D platform offers enhanced range, stability and scalability compared to traditional analogue systems, making it well suited to modern commercial AV installations and production workflows.
This model is available in two frequency variants to suit UK licensing and deployment requirements:
CH38 (606–614 MHz licensed spectrum)
CH70 (863–865 MHz licence-free spectrum)
This flexibility allows integrators and end users to select the most appropriate frequency band depending on the application, environment and number of channels required. CH38 is typically preferred for larger, coordinated systems, while CH70 provides a convenient licence-free option for smaller deployments.
The EW-D SK is engineered to provide stable RF performance across a wide range of environments, from corporate settings through to live events and theatre productions. With up to 56 MHz of tuning bandwidth and equidistant frequency spacing, the system enables efficient channel planning and high channel counts without intermodulation issues.
For installers, this simplifies frequency coordination and ensures predictable performance even in RF-heavy environments.
With a 134 dB audio input dynamic range, the EW-D system captures both quiet and loud sources without the need for manual sensitivity adjustment.
This ensures consistent audio quality across a wide range of use cases, from spoken word and presentations to more dynamic performance applications. The digital transmission platform maintains clarity and detail, supporting professional-grade sound reproduction.
The EW-D SK integrates with the Sennheiser Smart Assist App via Bluetooth Low Energy, enabling fast and intuitive system setup. Users can scan for available frequencies, pair devices and manage settings remotely, reducing setup time and simplifying system management.
For AV professionals managing multiple systems or installations, this approach improves workflow efficiency and reduces the complexity traditionally associated with wireless configuration.
The bodypack transmitter is designed to work with a variety of compatible headset, lavalier and instrument microphones, making it a versatile choice across multiple applications.
This flexibility allows it to be deployed across different use cases without requiring multiple transmitter types, supporting standardisation within AV systems and hire inventories.
Constructed with a durable housing, the transmitter is designed to withstand the demands of regular use in professional environments. Its compact form factor ensures it can be worn discreetly, while maintaining a secure and reliable connection throughout operation.
Battery operation via AA cells or optional rechargeable packs provides flexibility depending on workflow requirements, supporting both short-term use and longer event durations.
