The CS3 DU microphone station is the basic delegate unit for the CS5 conference systems. It provides both an integrated loudspeaker as well as two 3.5 mm stereo headphone outputs and could be used for up to 2 delegates. Depending on the selected operating mode, the PTT key enables the speaker to directly switch on their microphone or to enter the system waiting list. The CS3 DU comes with a robust interface connector, which makes it easy to interchange the stations microphone.