Sennheiser EW-D SKM-S BASE SET Digital System R4
Upgrade your audio experience with this base set for digital wireless applications. It comes with a stationary receiver and handheld transmitter, perfect for a wide range of Evolution Wireless Digital microphone heads.
Features:
- • Digital Transmission: Enjoy enhanced range, reliability, and scalability with UHF spectrum operation.
- • Smart Assist App: Connect via Bluetooth Low Energy for easy setup and remote operation.
- • Auto Scan: Effortlessly create reliable connections in no time.
Specifications:
- Frequency range: 552 - 607.8 MHz
- THD, total harmonic distortion: ≤ -60 dB for 1 kHz @ -3 dBfs input level
- 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
- EW-D EM:
- Dimensions: 212 x 44 x 189 mm
- Weight: approx. 1000 g (without antennas and power supply)
- Current consumption: ≤ 300 mA
- Input voltage range: 11 - 13 V
- Audio output level: 18 dBu max.
- Transmission power: BLE: max. 10 mW EIRP
- EW-D SKM-S:
- Weight:
- approx. 304 g (incl. MMD 835 microphone module)
- approx. 195 g (without microphone module)
- Power supply: 2 AA batteries 1.5 V (alkaline manganese) or BA 70 rechargeable battery pack
- Current consumption: < 300 mA
- Input voltage range: 2.0 - 4.35 V
- Transmission power:
- Audio link: 10 mW
- ERP (Range Y1-3): 12 mW ERP
- BLE: max. 10 mW EIRP
- Dimensions:
- 50 x 268 mm (incl. MMD 835 microphone module)
- 40 x 200 mm (without microphone module)


This Sennheiser EW-D SKM-S BASE SET is ideal for professionals seeking high-quality digital wireless audio solutions. It's great for live events, stage performances, and presentations. The stationary receiver and handheld transmitter offer flexibility. The receiver is 212 x 44 x 189 mm and weighs around 1000 g (without antennas and power supply). The handheld transmitter with the MMD 835 microphone module weighs approximately 304 g, and without it, it's about 195 g. It operates within a frequency range of 552 - 607.8 MHz, with a total harmonic distortion of ≤ -60 dB for 1 kHz @ -3 dBfs input level. The operating temperature is -10 °C - +55 °C, and the relative humidity is 5 - 95 % (non-condensing).