whass up guys! I am new to this forum.So pretty much i'll get right down to the point.To me Us amps,are always a good investment.So,how do these amps compare to US amps;Digital Designs,Zapco,American Bass,and autotek amps?I'll be using one of these amps to push 3 12's or 2 15's.Thanx for any help you can offer.