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.
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

Sennheiser Business Solutions – Microphone Guide
Making Collaboration & Learning Easier
Wireless Frequency Finder
Whether in a meeting, conference, lecture hall, or education space, use our Frequency Finder to help make collaboration and learning easier. Currently available for US only.
