wanna run 2 subs( 600 watt 300 rms) and 4 3way (1200watt peak 600 rms)all based on max is it safe to use a 1400 watt max amp or go over ie. 1800-2000 watt amp? also been out of the audio world a while what are the quality brands these days? it use to be jl audio subs and either sony explode...