Hi guy i have two yamaha R215 spaekers and i want to connect two of them on 0ne channel and another pair of speaker on the other channel and run the amp @ 2ohm setting but im not sure if thats enough power on that amp please help yamaha 1000w prgm 2000w peak 500w noise ..inuke 3100w @4 ohm per channel ,2ohm not specified in manual or can i only run 1 speaker per channel or maybe i have totally the wrong amp for the 215s