come on some one help me out. I want one good sub around 150 - 200 dollars that needs either 300 watts or 600 watts. Why i want this is because i already have a amp that is 300 x 2 or 600 x 1 at 2 ohm. I would like a dual 4 ohm so i can hook it up at 2 ohm. I like adire but the shiva is dual 8 and i could only hook it up at 4 ohms, i would need a different amp. Is 400 watts to that sub too much.