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EW-D SKM-S (S4-7)

Article No. 508794

Digital UHF handheld transmitter with mute switch for use with Evolution Wireless Digital. (Microphone Module available separately.)

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.

Features⁰⁸

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
Auto scan creates reliable connections with minimal time and effort
134 dB audio input dynamic range eliminates need for sensitivity adjustments and preserves every detail
Elimination of intermodulation enables channels to be placed in an equidistant 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)

Top Specs

Dimensions50 x 268 mm (incl. MMD 835 microphone module)
Weight (g)approx. 304 g (incl. MMD 835 microphone module)
Latency (ms)1.9 ms
Max. sound pressure level154 dB SPL
Polar patternCardioid
Sensitivity2.1 mV/Pa
Transducer typeDynamic

EFFORTLESS, WORRY-FREE WIRELESS

Full control via Bluetooth using the Smart Assist app.
Easy setup, monitoring, and troubleshooting—even for beginners.
Smart algorithms handle frequency selection and syncing, minimizing dropouts and interference.

ROCK-SOLID RELIABILITY

The most reliable UHF connection
German-engineered build quality
Pro-grade build quality with uncompromised fit and finish
Lightweight, rugged transmitters and receivers
Rack-mountable receivers for pro setups

PRISTINE SOUND QUALITY

Superior clarity via 24-bit resolution, surpassing analog systems.
Handles quiet and loud sources effortlessly with 134 dB dynamic range.
Sound feels natural and immediate with ultra-low latency (1.9 ms)
Evenly spaced frequencies eliminate intermodulation interference

FUTURE-PROOF & UPGRADABLE

Integrates easily with other Evolution Wireless components
Scales well for growing setups—from simple gigs to multi-channel stage productions
Compatible with a wide range of Sennheiser mic capsules (on the handheld version)

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