Sennheiser EW-DP SKP S4-7 – Digital UHF Plug-On Transmitter & Recorder (630–662 MHz)

The Sennheiser EW-DP SKP S4-7 is part of the Evolution Wireless Digital Portable (EW-DP) series, engineered for professional film, broadcast, and ENG workflows. Operating in the S4-7 frequency range (630–662 MHz), it delivers reliable digital UHF transmission with equidistant tuning spacing for simplified frequency coordination and high channel density.
This compact transmitter attaches directly to any XLR microphone, instantly converting it into a wireless solution. With switchable +48V phantom power, it supports both dynamic and condenser microphones. The additional 3.5mm TRS input makes it equally versatile for lavalier microphones.
For added security, the SKP includes a microSD card slot for onboard recording, ensuring critical audio is always captured, even if wireless transmission is interrupted. Rugged and portable, it’s an essential tool for filmmakers, broadcast crews, and content creators.

Digital UHF plug-on transmitter & recorder – 630–662 MHz band

Converts any XLR mic into wireless – perfect for handheld and shotgun mics

Switchable +48V phantom power – supports condenser & dynamic microphones

3.5mm TRS input – compatible with lavalier microphones

On-board microSD recording – secure backup audio capture

Equidistant tuning grid – simplifies coordination, maximises channel count

Compact, rugged design – built for professional production environments

Specifications:

Connectors: XLR (female) + 3.5mm TRS (lav input)

Phantom Power: +48V switchable

Frequency Range: S4-7 (630–662 MHz)

Transmission: Digital UHF, equidistant tuning

Recording: microSD card slot (on-board backup)

Power: Rechargeable battery pack (varies by kit)

Dimensions: Compact plug-on design

Compatibility: Sennheiser EW-DP receivers