i think the box the sony is in is to big. a guy showed me how to build a box and thats how i built my box for 4 12's off his numbers and stuff he gave me.. and the box for 4 12's hits hard when we put it in there was a big diff in sound.
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sub stage. 4 american bass XD 15's
sub amps. 2 audiopipe APSM1500's
mid's. 16 american bass SQ 6.5's 8 pyle pro super tweets
mid's amps. 2 autotek ATX3000.2 and 1 autotek ATX950.4 on the tweets