ok theses are the two boxes if have for my subs i have the 2 kicker L5 dvc 4 ohm solo baric subs and it came with the kicker box ported from the factory and then i was just looking around and i found a super bass pro box and i bought it too and i was wanting to konw whitch one of these bvoxes are better than the other and i have a nice planet audio apoloclypse or how ever you spell it AP1500D and it is 1ohm stable so i have hooked them both up in both boxes but i think the kicker sounds like it has a punch to it and the bass box has more low bass vibrations or something but i really just want to know what one of the 2 boxes do i need to keep the subs in and they are both ported and they both sound good but they do have their diffrentals freatures so will yall please help me on makine a desision on witch one to keep the L5 12's inn please help need it OH an will the big three help me with some power issues and allso can some one give me some tuneing advice on how to set my gains on my amp and not by ear cause i dont want no clipping i ju st dont know whear to get a test tone at please help me fast/........