Sennheiser EW-D SK Digital Bodypack Transmitter

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 Sennheiser EW-D Smart Assist App. The Sennheiser EW-D SK bodypack transmitter is compatible with a wide range of Sennheiser headset microphones and clip-on/lavalier microphones.

• 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

• (Q1-6) 470.2 - 526 MHz 
• (R1-6) 520 - 576 MHz 
• (R4-9) 552 - 607.8 MHz
• (S1-7) 606.2 - 662 MHz
• (S4-7) 630 - 662 MHz
• (S7-10) 662 - 693.8 MHz 
• (U1/5) 823.2 - 831.8 MHz & 863.2 - 864.8 MHz 
• (V3-4) 925.2 - 937.3 MHz
• (Y1-3) 1785.2 - 1799.8 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

For more information, please visit this products webpage.