i have rockford fosgate 8" subs in a custom made enclosure perfectly to manufacturers specs and they hit hard people have a hard time believing they are only 8"s.. of course they dont shake the neighborhood.. but you definately feel it in your chest and im only running 120 watts RMS to each...

ive also run infinity subs with nice results, not in my VX though..


other brands i would coonsider for subs... JL (although they are overpriced imho) MTX, and JBL.. im sure there is stuff better than that but those are the brands ive had experience with and have been pleased with

brands i havent had good subwoofer luck with/havent heard good things... visionik.. sony.. legacy.. audiobahn