which sub

hi, thank you very much! You saved me from a big mistake! I wanted to buy my hifi stuff at beclever (i.e. novex)… I think I’ve spent 2 days reading in forum…have red eyes like sow*gggg* so am superior to which components would be the right one for me. at the moment the sub.. car is a toledo, bj. 94; music: hip hop I thought about 2x Rockford-Fosgate RFP4412 (separated br housing) driven by a carpower wanted 4/320. many but say that the 200W of rockford is an understatement so I’m not quite sure if the 2x240W of the wanted are enough??? or would it be better to buy n larger rockford e.g. RFP4415 oda so (but only 1 piece) and to drive it with a wanted 2/300? would be already 1x530W, that would have to be enough… what brings me more pressure??? better sound? or do you have completely different ideas?? greetings arek