Hey, i got 2 RF t1 15's and im going to buy an amp tonight. i can either get a Memphis MCD1500 1500rms for 300, or should i just get a hifonics BXi2607D 2600 rms for 300? i mean the hifonics has a ton more power it says but im just not sure because the Memphis sells for 670 on sonics, is it a...