Sennheiser EW-DX SK (R1-9) 3.5mm Jack Bodypack Transmitter
Upgrade your audio experience with this digital wireless bodypack transmitter. It's compatible with Evolution Wireless Digital systems, has a rugged metal housing, up to 12 hours of runtime, a persistent E-Ink display, and charging contacts for easy in-device charging. Works great with a wide range of Sennheiser lavalier and headset microphones.
Sennheiser EW-DX simplifies professional workflows. Its advanced features and hardware options make it perfect for classrooms, corporate campuses, and live performances. AutoScan quickly assesses the environment and deploys frequencies, while tools like Control Cockpit, Wireless Systems Manager, and Smart Assist App allow for remote monitoring.
Features:
- • 134 dB input dynamic range for hassle-free gain setting
- • 10 mW fixed RF power for up to 100 m/328 ft range
- • Charging contacts for convenient in-device charging
Specifications:
- System:
- Audio link frequency ranges: 520 - 607.8 MHz
- Bluetooth Low Energy (BLE) frequency range: 2402 - 2480 MHz
- Audio frequency response: 20 Hz - 20 kHz (-3 dB) @ 3 dBfs
- Audio THD: ≤ -60 dB for 1 kHz @ -3 dBfs input level
- Dynamic range: 134 dB
- System latency: 1.9 ms
- Operating temperature: -10 °C - +55 °C (14 °F - 131 °F)
- Relative humidity: 5 - 95 % (non-condensing)
- EW-DX SK (Bodypack Transmitter):
- Input voltage: 2.0 - 4.35 V
- Input current: < 300 mA
- Power supply: 2 AA batteries 1.5 V (alkali manganese) or BA 70 rechargeable battery pack
- Occupied bandwidth: 200 kHz
- Transmit power (radiated):
- Audio link: 10 mW ERP
- Range Y1-3: 12 mW ERP
- LD mode: 10 mW ERP
- BLE: max. 10 mW EIRP
- Dimensions (without antenna): 63.5 x 85 x 20 mm (2.5' x 3.35' x 0.79')
- Weight (without batteries): approx. 115-120 g (0.26-0.27 lbs)



This Sennheiser EW-DX SK (R1-9) bodypack transmitter is a great choice for professionals in classrooms, corporate campuses, and live performance productions. It features a rugged metal housing, up to 12 hours of runtime, and a persistent E-Ink display. With a 3.5mm jack connector, it's compatible with Evolution Wireless Digital systems and a wide range of Sennheiser lavalier and headset microphones. The dimensions (without antenna) are 63.5 x 85 x 20 mm (2.5' x 3.35' x 0.79') and it weighs approx. 115-120 g (0.26-0.27 lbs) without batteries.