Wireless Microphone Sennheiser EW-DX SK Q1-9 — Professional bodypack transmitter, lightweight, long battery life

The Sennheiser EW-DX SK Q1-9 is a professional wireless bodypack transmitter designed for live performance, presentations and broadcasting. It delivers reliable RF transmission and clear audio capture when paired with compatible Sennheiser receivers and lavalier or headset microphones. The unit combines a robust lightweight housing with user-friendly controls and long battery life to support extended use in live sound and location applications.

Advantages

The transmitter offers stable wireless connectivity and consistent audio quality across its supported frequency range. Its lightweight construction reduces performer fatigue and simplifies placement on clothing or belts. Intuitive controls and visible indicators make setup and monitoring straightforward, while energy-efficient electronics extend operating time between battery changes, reducing interruptions during events.

Suitable for

• Live music performance where mobility and reliable wireless audio are required
• Presentations and conferences with lavalier or headset microphone setups
• Broadcast and ENG applications that demand consistent RF performance
• Theatre and houses of worship requiring unobtrusive bodypack transmitters

Key specifications

• Form factor: bodypack transmitter suitable for lavalier or headset microphones
• Housing: lightweight, robust enclosure designed for stage and field use
• Controls: user-accessible buttons and status indicators for mute, power and RF/audio levels
• Power: battery-powered operation with long operating time per battery set
• Connectivity: balanced wireless link designed to pair with compatible receiver series
• Operation: intended for professional live sound, presentation and broadcast environments

How to use

Attach a compatible lavalier or headset microphone to the transmitter’s microphone input and secure the transmitter to a belt or clothing using the integrated clip. Power the unit with the recommended batteries and switch on the transmitter and the paired receiver. Use the transmitter’s controls and indicators to set mute and monitor RF/audio status, and adjust receiver gain as needed on the mixing console or receiver to achieve the desired audio level. Follow venue frequency coordination procedures to avoid interference.

Usage recommendations

For reliable operation, use compatible Sennheiser microphones and receivers, keep spare batteries on hand for long events, and perform a frequency scan and sound check prior to the performance to confirm clear RF channels and optimal audio levels.