6 zones (40 watts per zone) - 6 A/V Source Inputs and loop outputs - 6 variable line outputs routed IR - 4 A-BUS ready sub-zones adjustable bass/treble/loudness/balance - Built-in IR Learner and Pre-programmed IR library - paging and doorbell muting - Ront and rear RS-232 serial ports color-coded detachable 14-gauge snap connectors front panel A/V auxiliary input rack-mount 2-unit high. 6 IR Emitters 12 Volt & H.T. triggers. Controller only. No keypads. Rack ears included.