Sennheiser EW-D SK

Sennheiser EW-D SK (s1-7)body pack transmitter.

Versatile and feature rich digital wireless system for those who sings and speak that allow seamless product pairing and management via EW D Smart assist App...

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)

Specifications:

Frequency range606.2 - 662 MHz

THD

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

Weight

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

NB: This is a used item but tested and working.