My chrysler LHS has a 7 speaker stock system. It has three 3.25" inch in the dash, two 5.25" inch in the front door panels, and last 6x9" inch speakers in the rear dash. Now I just bought a new Crunch PowerZone P1400.4 it has 4-channels, 4x175 W @ 4ohms, or 4x350W @ 2 Ohms. I got some new...