I a newbie, and askin for a bit of help here. I have 2 12" Infinity Kappas in a sealed enclosure. It sounds str8, in my SUV. I am thinkin of gettin 2 more, What type of box, and what dimensions would suit me to get the most out of the 4 12s in an SUV (GMC Yukon)??? Thanx
WD2
WD2