hi, i have 2 brand new 8" MA subs. there 500 watts max each they come with a 2.5 cubic feet vented enclosure. i also have a 12" JL w3 with box. also have a brand new 400 watt rms visonik mono amp. i also have a new TNT 850 watt 2 channel 4-2 ohm amp that i am currently using right now. will...