• Digital Acoustic Feedback Suppression 
• Discussion control without operator 
• Controls up to 150 contribution devices 
• Built-in monitor loudspeaker
• Built-in Recording system

The Control Unit (CUR) is the heart of the CCS Ultro Discussion System and supplies the power for all delegate and chairman units in the system. The unit also controls the chairman and delegate unit microphones, as well as providing connections for audio inputs and outputs.