The TS-7912DW is a Central unit for TOA Conference System. With the use of its line connection terminals permits connections to the Conference units of TS-791L and TS-792L, making up a conference system. It has built-in 120W power amplifier for external speaker. Each operation of Conference units and Power amplifier has its own power supply. The TS-7912D is equipped with Video conference connection terminals such as USB port or RCA jack. It is also equipped with Equalizer connection terminals to connect an equalizer or other signal processor. In addition it has 2 slots dedicated to the Wireless Tuner module WTU-M9800. With the use of an optional rack mounting bracket, it can be mounted in an EIA standard equipment rack (2 unit size).