Sennheiser SL Bodypack DW-3-EU Digital Wireless Bodypack Transmitter (1880-1900 MHz, DECT)

Unreliable wireless connections and poor audio clarity can derail presentations and performances. The Sennheiser SL Bodypack DW-3-EU eliminates these issues with crystal-clear digital audio and robust DECT technology. Part of the SpeechLine Digital Wireless series, this bodypack transmitter is built for professional use in conferences, lectures, and live events where dependable transmission is essential.

Who is it for

Presenters, educators, and performers who need a reliable wireless solution will appreciate this transmitter. It pairs seamlessly with Sennheiser SpeechLine Digital Wireless receivers, making it ideal for corporate boardrooms, university lecture halls, houses of worship, and stage productions. Whether moving around the room or standing at a podium, this bodypack ensures your voice is heard with uncompromising clarity.

Main features

• Digital DECT transmission in the 1880-1900 MHz range (EU) with GFSK modulation for interference-free, secure audio.
• Wide frequency response (20 Hz - 20 kHz) and dynamic range >120 dB(A) capture the full spectrum of the human voice with natural detail.
• AES 256-bit encryption protects sensitive communications from eavesdropping, suitable for confidential meetings.
• Flexible power options: runs on 2 AA batteries (up to 10 hours) or the optional Sennheiser BA 30 rechargeable pack (up to 15 hours).
• Low latency (<19 ms) for lip-sync accurate performance.
• OLED display for easy status monitoring and menu navigation.
• Robust plastic housing in black, with 3.5 mm locking jack for secure microphone connection.

Specifications

• Product type: Digital wireless bodypack transmitter
• Frequency range: 1880 - 1900 MHz (DECT, EU specific)
• Modulation: GFSK
• Audio frequency response: 20 Hz - 20 kHz
• Dynamic range: > 120 dB(A)
• RF output power: Adaptive, up to 250 mW (EIRP)
• Audio input connector: 3.5 mm locking jack
• Input impedance: 40 kΩ (line), 10 kΩ (mic)
• Max input voltage: 2.2 V RMS
• Latency: < 19 ms
• Encryption: AES 256-bit
• Battery type: 2x AA batteries or Sennheiser BA 30 rechargeable battery pack
• Battery life: Up to 15 hours (with BA 30), up to 10 hours (with AA)
• Charging interface: USB-C, charging contacts for CHG 2N
• Display: OLED
• Housing material: Robust plastic
• Colour: Black
• Operating temperature: -10 °C to +50 °C
• Compatibility: Sennheiser SpeechLine Digital Wireless receivers

Tips

For extended use, pair this transmitter with the Sennheiser BA 30 rechargeable battery pack and the CHG 2N charging cradle. The OLED display allows quick adjustments to input sensitivity and channel selection. Always use the locking 3.5 mm connector to prevent accidental disconnection during active presentations.