When set in Bridge mode and paired with the MuxLab 70V Transformer unit (500755-70V), the system is compatible with distributed 70V speaker systems over longer distances and supporting daisy chain configurations. The device may be controlled locally via pushbuttons and a knob, and remotely via RS232, IR and an IP webserver interface. The Audio Zone Amplifier features two analog 2CH audio inputs (RCA & 3.5mm) & one (1) PCM digital optical input (TosLink), along with two 50W 8? speaker outputs or one 100W 4? speaker output (terminal block).