I'm just a little confused. You recommend the D4 12 for 2 ohm? The D4 is a 4 ohm speaker, and the D2 is a 2 ohm. My common sense tells me to get the D2 because it is a 2 ohm speaker, which will let my amp push 1000w. I am guessing that I am wrong, but I would like you to just confirm it for...