Sennheiser EW-D EM Digital Rack Receiver (R4-9)
Sennheiser EW-D EM Digital Rack Receiver R4
1/2 19″ rack receiver for use with Evolution Wireless Digital handheld and bodypack transmitters.
Features:
- 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 range: 552 – 607.8 MHz
- Dimensions: 212 x 44 x 189 mm
- THD, total harmonic distortion: ≤ -60 dB for 1 kHz @ -3 dBfs input level
- Weight: approx. 1000 g (without antennas and power supply)
- Current consumption: ≤ 300 mA
- Input voltage range: 11 – 13 V ⎓
- Transmission power: BLE: max. 10 mW EIRP
- Operating relative humidity: 5 – 95 % (non-condensing)
- Audio frequency response: 20 Hz – 20 kHz (-3 dB) @ 3 dBfs
- Audio output level: 18 dBu max.
