HEY BUD... I HAVE ONE 10W7 IN A SEALED ENCLOSURE POWERED BY A 500/1 JL AUDIO AMP... I HAVE ANOTHER 10W7 AND 500/1 JUST SITTIN IN MY ROOM WAITIN ON ME TO BUILD MY BOX LOL... ANYWAYZ... BACK TO THE STORY... JL RECOMMENDS 1.25 CU FT FOR A SEALED ENCLOSURE... UR BOX IS PORTED... 1.5 SOUNDS A BIT SMALL... AS STATED ABOVE... ALSO GETTIN THE 500/1 WILL MAKE QUITE A BIT OF IMPROVEMENT AS WELL... I HAS A "980.2" POWER AKOUSTIC AMP RUNNING TO THE W7 B4 I GOT THE 500/1... THE 500 MADE A TREMENDOUS DIFFERENCE IN SQ AND SPL. SO IF I WERE U... IF U LIKE THE PORTED SOUND, PERHAPS TRY THE JL HO BOX. OR BUILD ANOTHER TO THE JL SPECS... AND TRY GETTIN A 500/1 AS WELL... OR IF YA GOT THE CASH A 1000/1... INCASE U WANT ANOTHER SUB ONEDAY, LOL... //content.invisioncic.com/y282845/emoticons/thumbsupwink.gif.129404938effda6ad9cca39e7f4b58a3.gif