I have a pair of Kenwood KFX-12R's. They're rated at 3,000w peak each, around 800w RMS and have performed flawlessly. I't stime for a new box b/c my DIY one has developed serious leaks from the pounding. I'm driving each of the 12R's with a Kenwood X-1R rated at 2,500w peak, 700w RMS. They...