i wana buy a system & i keep finding alot of good amps but i wanted to kno if anybody could tell me if 2 Rockford Fosgate T2500-1bdCP hooked up with 4 JL 13 W7 subs would be a good system & if it would hit hard & if they could tell me what 6.5 speakers would go good with them too soo i wont just have bass