"The Central Control Unit for DDS 5900 and DCS 6000 Conference Systems from Shure powers up to 60 microphone units and supports up to 250 units. It supports 2 languages and 32 interpreters and can be used in various speech-application environments such as hotel/conference centers, multi-purpose/training rooms, education facilities, corporate/board rooms, courtrooms, and more.

Featuring two analog audio inputs for external sources, the Central Control Unit has eight analog audio outputs for connections to videoconferencing systems, A/V recording equipment, supplemental sound reinforcement systems, or wireless language distributions system. In addition, with Feature License FL6000 (sold separately), the DIS-CCU can be used with DCS 6000-series microphone units serving up to 250 participants and 4 languages. Additional Feature Licenses enable support for up to 3,800 participants, 200 interpreters, and 31 languages."