For hands-free presentations, you can choose between wireless table stand, handheld or bodypack transmitter for use with lavalier or headmic – depending on the speaker’s preferences.

IT-optimised wireless microphone system for speech & lectures
SpeechLine Digital Wireless is a digital wireless microphone system for speech and lecture. It is designed and optimized for university and corporate use. Thanks to its broad product portfolio, the system is particularly versatile and can be adapted to the requirements of individual applications. Our goal was to make the daily work of IT and AV managers easier. With the introduction of the new SpeechLine Multi-Channel Receiver, SpeechLine Digital Wireless presents the perfect audio solution for IT integration.
Features
Optimal Speech Intelligibility
Microphone system designed specifically for speeches, lectures and presentations
Up to 18 hours battery life
Uninterrupted performance even during the longest events and meetings
Automatic Frequency and Interference Management
Automatic RF setup and interference managemenet enables easy in-room configuration and daily usage
AES 256 Encryption
Secure transmission of confidential content using AES-256 encryption
Dante® Integration
Digital audio over network for easy integration into any existing Dante® network
Integrated DSP with EQ, Presets & Automatic Audio Level Management
Managing your microphone system has never been easier
Convenient charging
Network-enabled charging options for handheld and bodypack transmitters with CHG 2N and CHG 4N and wireless charging for tablestand transmitters with CHG 2W
Multi-Room mode
Effortlessly scale your system for campus-wide usage
Downloads
- SpeechLine Digital Wireless Firmware 4.1 (SL Rack Receiver DW).ZIP·1.19 MB
- SpeechLine Digital Wireless Firmware 4.0 (SL Rack Receiver DW).ZIP·1.19 MB
- SpeechLine Digital Wireless Firmware 4.2 (SL Multi-Channel Receiver DW).ZIP·7.46 MB
- SpeechLine Digital Wireless Firmware 4.2 (SL Rack Receiver DW).ZIP·1.19 MB
- CHG 2N / CHG 4N - Firmware Update v2.0.3.ZIP·222.08 KB
- SpeechLine Digital Wireless Firmware 4.0 (SL Multi-Channel Receiver DW).ZIP·7.46 MB
- SpeechLine Digital Wireless Firmware 4.1 (SL Multi-Channel Receiver DW).ZIP·7.46 MB
- CHG 2N / CHG 4N - Firmware Update v3.0.0.ZIP·224.69 KB
- SennheiserControlCockpitInstaller-7.0.0.2780.EXE·204.94 MB
- Planning and setting up single-room and multi-room installations with SpeechLine Digital Wireless.PDF·274.47 KBDownload
- Antenna solutions and recommendations on antenna mounting for the SL Rack Receiver DW.PDF·1.87 MBDownload