Ok, so I bought the sub I always wanted, a 12inch JL Audio W7. It's on the way but I need to find the amp for it. According to JL's website 750w rms is optimum for the 12 inch. (http://mobile.jlaudio.com/products_subs.php?series_id=9)
What confuses me is how the W7 runs at 3ohm, and the rms...