I currently run 2 dayton rs 150 6" 600hz/hp mated with jl audio crt o5o tweeters 4000hz/hp in my kick panels ,and 2 peerless sls 6.5" 600hz/lp in my doors .They are all ran with passive crossovers.My question is : How much power can I run safely to this set up and how many speaker channels...