solo baric l7 15 box help.
 

what i want:
solo baric l7 15" likely or 12" depending on what i can fit.

box i want:
sealed 100% prefer port is out of the question.

the music i play:

metal, death metal, rock, nu metal etc etc u get the point.

what i dont know and need help with:

the box volume / size fo the type of music i listen to.

how much power would i feed it:

1200 rms likely

any help plz i currently hate my setup had a 12" sounstream re.3 reference but it fried now i have a IDMAX12 V.4 D2 12" sub but i just don't like it at all.:(