By using TAIDEN originated MCA-STREAM multi-channel audio digital transmitting technology, TAIDEN HCS-4100/20 Fully Digital Conference System(FDCS) revolutionizes technology by bringing both the latest fully digital technologies and network techniques to conference systems. Furthermore perfectly integrated with TAIDEN Conference Sign-in System and Intelligent Central Control System, HCS-4100/20 takes the leadership in providing comprehensive and efficient conference system solutions.