Parasound ZoneMaster 4 Universal 4 Channel 8 Speaker Amplifier

8 speaker connections (A and B outputs for both channels).High current for stable operation at 2 Ohms. Class AB input stage plus premium Class D power stage. Bus input with looping outputs. Audio sensing auto-on trigger, independent for each zone. 12 volt auto-on trigger inputs, one for each zone. Master 12V trigger input to turn all zones on-off together. Looping 12 volt trigger outputs. Speaker level input for expanding systems w/out pre out jacks. Mono mode combines L and R for single speaker applications. Separate level controls for all 4 channels. Detachable speaker connectors accept up to 12 gauge wire. Short circuit and overheat protection with front panel indicators. 0.5 watt standby power consumption meets Energy Star & EU specs. Compact 1u chassis size. Rack mount kit included in the box.