ok so ive been to some good local stores in milford. i wanted two cadence 12" ultradrive orange subs @ 300 rms. they tell me only cadence amps are clean enough to run them. i went to tweeters in milf and they said alpnines are great for them. i have the alpine mrd-m301. if i run the two 12's off the amp on a alpine cda-9831 how will it sound in ported boxes to exact specs. thanks