I purchased a Sub2 with the Pro32. Getting good integration and punch at 11:30 on the Sub2. I also have a B2 sub with my L1 Model2. Even with the plus setting engaged I never got the punch I am looking for with the B2. I know the Sub1 is 480 watts. Will linking/stacking two Sub1's equal the performance of a single Sub2? Would one Sub1 equal the performanceI I am getting from the Sub2 at the 11:30 mark. Application will be for indoor use only, small to medium size gigs. I play synth keyboards and electronic drums, with backing tracks.