I am going to be purchasing a 15 Fi Q, and powering it with a Sundown Audio SAE-1200D. I wanted to ask what ohm sub I should order and if the BP option is a good choice. The amp does 1200x1 @ 1 ohm. i was going to build a 2.5ft sealed enclosure, suggestions? im rollin a 94 s10 blazer. thanks homies.