Sennheiser Digital Central Conference Unit for 40 Microphones

The Sennheiser ADN CU1 Digital Central Conferencing Unit is part of Sennheiser's ADN conferencing system. Depending upon cable lengths, the device can connect up to 40 ADN microphone conferencing units via RJ45 cable. The system can be expanded even further up with to 400 microphone conferencing units by connecting 15 ADN PS power supplies into the system. The central unit can be set up as a standalone device on a flat surface or placed into a 19" rack using the optional rack ear adapters.