I have trouble choosing between the RSd1200.1 and the ZX 1500.1, I need help deciding, I want to have 1 on each of my 12in W7's @ 3 ohms, so I'm quessing they both will do 1000 - 1200 @ 3 ohms, but which one is a better quality? because the RSD is like $350 and the zx is $550
