cost-effective commercial installation — 8 x 4 balanced analog I/O, 4 pair mono-summed RCA inputs, 8 control input,Dimensions (h) 44 ×(w) 483 ×(d) 215 mm,N utility with browser-based UI facilitates real-time display and control of levels,,Port for PC/Mac configuration; also allows for connection to networks supporting ControlCenter digital zone controllers and the ControlSpace Remote app,Provides a smooth transition between music and announcements,Warranty:12 months parts only