HCS-48U6CMICM/80: Fully Digital Congress System Chairman Unit (flush-mounting, discussion, HCS-48U6VOT and HCS-48U6SPK can be
connected, black)(mic not included)

HCS-48U6CMICS: Fully Digital Congress System Chairman Unit (flush-mounting, discussion，HCS-48U6SELM/80 needed, black, stem microphone to be ordered separately)