i think you may have a problem getting a zx at that pricefor a zx2500.1 i was hoping 450 shipped. All it needs to do it work 100%, if its got scratches and what not its not a big deal.
im pretty sure the directed is rated at 12v so if your running 13.5+ your looking more at 2700-2800w, and on a side note, audiopipe ap3000 can be had for 400$ shipped, 3000w at 2ohms cea rated.no thanks looking fir something with a little more power