Sennheiser EW-D SKM-S (S1-7) RF Handheld Transmitter, Without Mic Module

SennheiserSKU: SEN-508793

Sale priceR 6,640.00

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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.


Features at a Glance:

  • 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)




Frequency range

606.2 - 662 MHz


≤ -60 dB for 1 kHz @ -3 dBfs input level


approx. 304 g (incl. MMD 835 microphone module)


approx. 195 g (without microphone module)

Operating temperature

-10 °C - +55 °C (14 °F - 131 °F)

Operating relative humidity

5 - 95 % (non-condensing)

Audio frequency response

20 Hz - 20 kHz (-3 dB) @ 3 dBfs

Input voltage range

2.0 - 4.35 V

Current consumption

< 300 mA

Power supply

2 AA batteries 1.5 V (alkaline manganese) or BA 70 rechargeable battery pack

Transmission power

Audio link- 10 mW


ERP (Range Y1-3): 12 mW ERP


BLE: max. 10 mW EIRP


50 x 268 mm (incl. MMD 835 microphone module)


40 x 200 mm (without microphone module)

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