Hey was looking into a new system, i am putting jbl power series components and coaxials in my car a sonata, with maybe a pair of their gti components. I was wondering what would be the best spl sub with some kind of sound quality for under $900 i am looking at either 12's of 15's. I had to mmats 3.0's so i am thinking of the mmat dreads, Fi btl, re audio xxx, jl w7, jbl gti, and any other suggestions would be greatly appreciated. how does the smd woofer stand up to the re audio xxx, and does anyone know the price on a dc audio level 5