Hi, I am going to buy 2 12'' Alpine Type-R Series Subwoofers.
(what is the difference between the SWR-1222D and the SWR-1242D, they are both the same price, except one is dual 2 ohm and the other is dual 4 ohm... whats the difference?)
-also would it be better to get 1 or 2 amps to power these...