Sennheiser EW-D SK Digital Bodypack Transmitter R4

Compact and versatile bodypack transmitter for use with Evolution Wireless Digital receivers.

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: 63 x 80 x 20 mm (without antenna)
• THD, total harmonic distortion: ≤ -60 dB for 1 kHz @ -3 dBfs input level
• Weight: approx. 120 g
• 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