What's going on? I have the kicker ks 6.5 components rated at 125 rms and for the rear I have the ks coaxials at 150 rms. I'm looking at 4 channel amps but not finding any that can power up to 150X4 @ 4 Ohms. So I was wondering if I should get 2 similar 2 channel amps and power them up or is...