Sennheiser EW-D SK BASE SET (606,2 - 662 MHZ)

Evolution Wireless Digital: A Modern Approach to Sennheiser Wireless

The Evolution Wireless Digital series brings the "Evolution" DNA into a contemporary framework: digital transmission, simplified operation, and a modular ecosystem designed to multiply wireless links without complicating the sound engineering. The goal is clear: to facilitate adjustments in real conditions, speed up setup, and make frequency management more intuitive on a daily basis.

Within this family, the EW-D SK BASE SET serves as the foundation: you start with a robust pair of EW-D EM receiver + EW-D SK bodypack transmitter, then choose the transducer suited to your needs (lavalier mic for speech, headset mic for stage use, or instrument cable). This is an ideal solution to standardize your inventory while maintaining configuration flexibility according to the event.

Who Is This Wireless System For, and What Are Its Ideal Uses?

The Sennheiser EW-D SK BASE SET S1-7 targets environments where reliability must be easy to achieve: stage, events, houses of worship, multipurpose rooms, conferences, education, video recording, or backline setups requiring a bodypack transmitter. The absence of an included microphone is an advantage if you already own a compatible mic or want to precisely select the right format (discreet lavalier, secure headset, or versatile instrument cable).

The single-channel rack-mountable receiver naturally fits fixed installations, mobile racks, or flight cases, while the bodypack transmitter follows the user on stage. The S1-7 (606.2 - 662 MHz) band allows operation within a defined frequency range, convenient for harmonizing deployment habits and maintaining inventory consistency when multiplying wireless links.

Key Features: Fast Operation, Mobile Control, and Digital Performance

Digital UHF: Link Stability and Signal Cleanliness

The digital transmission aims to reduce common analog issues (residual noise, sensitivity to interference, perceptible variations at coverage limits). Combined with UHF, it offers a range suited for stage use and a stable link, especially appreciated when multiple systems coexist at the same event.

Automated Configuration: Ready in Moments

The system emphasizes quick startup through automated configuration designed to minimize manual adjustments and speed up line-checks. During events, this saves time: you spend less energy navigating menus and more on overall balance (voice, monitors, front of house) and speaker comfort.

Smart Assist with Bluetooth Low Energy: Close-to-Field Control

Thanks to Bluetooth Low Energy, the Sennheiser Smart Assist app provides convenient mobile control: guided setup, parameter access, and remote control. In both the control room and on stage, this facilitates adjustments and supervision without being tied to the rack, maintaining a clear approach for technical teams and less experienced users alike.

Frequency Management and Scalability: A Coherent Base for Your Inventory

With up to 2240 selectable frequencies, up to 24 wireless systems per frequency band, and a 56 MHz bandwidth supporting up to 90 channels, the EW-D is designed to support your growing needs. This "scalable" logic allows you to start with a reliable link and gradually expand your inventory while maintaining consistent operating methods.

Battery Life and Dynamic Range: Comfortable for Speech, Hosting, and Varied Content

The bodypack transmitter can operate up to 12 hours with a lithium-ion battery or up to 8 hours with AA batteries, adapting to your production habits. On the audio side, the 134 dB dynamic range (transmitters) helps preserve detail and level differences, useful for both projected speech and more nuanced sources.

Technical specifications

Category	Complete system	Outputs	XLR, jack
Frequency band	S1-7 – 606 à 662 MHz

Digital wireless technology	eliminates noise, interference, and disturbances	Bluetooth Low Energy	compatible with Sennheiser Smart Assist app
UHF transmission	improves range, reliability, and scalability	Automated configuration	establishes reliable connections in minimal time
Fixed rack-mountable single-channel receiver	EW-D EM	Dynamic range	134 dB (transmitters)
Bodypack transmitter	EW-D SK	Latency	virtually nonexistent
Lavalier microphone, headset microphone, or instrument cable	sold separately	Lithium-ion battery	up to 12 hours of operation
Frequency range	S1-7 (606.2 - 662 MHz)	AA batteries	up to 8 hours of operation
56 MHz bandwidth	up to 90 channels	Power supply	NT 12-5 CW+ with country adapters