Originally, I was thinking of replacing my HX2 on 800.2 Rockford setup with 1 10W7 on 500/1. People suggested to go with a Magnum D2 or RE XXX for better price and SQ. It is going on a 99 Accord, and I need an amp that is POWERFUL and SUPER CLEAN. Please advise. I am looking at the Hifonics amp in Ikesound (warehouse is 2 blocks away from me).