LOUD ass Concept Zt-124 (w7 killer) in a specially designed for it wave box. The sub and box are 2 weeks old. It hits so ridiculously hard for 1 12" its insane in my car. This sunday ill have some number from a db drive event im going to to see how many db's it puts out. The sub has a 4 year warranty on it from mega maxx. 500$ will not seperate. have to sell because im getting a new car and my dad wont let me put this monster in it,