I have 2 15" 3 way marantz floor speakers, and would like to use the woofers for subs. I am thinking of using thier original boxes w/ the other speakers in it. Now, can I just hook up pe.coms 250watt sub amps to each? Run a RCA splitter off sub out to both? Any 15" cabinets to consider under $100 each for sub use? Also, Can 1 sub in a 2 sub setup be tuned different so one is a dedicated LF(50hz>) and the other the amps xover(80hz<) will handle? Does it sound accurate? Thank you in advance!