Ok guys background on my truck 2006 chevy trailblazer ss alpine pdx 1000/1 amp my subwoofer box is ported and has these specs 2.0 cu. ft. Total Volume  Slot-port tuned @ 32Hz Double-Faced Front Baffle (For added woofer support!)  11" Round Cutout  Dimensions (W x H x D): 30" x 13.5" x 16"   I currently have a 12w6v2 jl subwoofer and would like something that would pound harder than that.   also what does the folling things do next to the subwoofer Configure Speaker:  Ohm:  dual 1 dual 2  (ok i know this one) P Chamfer:  no yes ??? Cooling:  no yes ??? Flatwind:  no yes ??? Daily or SPL:  ??? Extreme Lead:  ???  Universal:  ????            Quantity:    Any info is appreciated ill prob be buying the sub in the next few days.