Simply... Sealed or Ported/Vent?

[taylaecraig@ymailecom]

I HAVE (2) BRZ12SQD4
Heres a Manual with the enclosure specs, you tell me which would be the best choice.. for loudness..

http://www.maxxsonics.net/manuals/hifonics/pdfs/HifonicsBrutusBRZ09subwoofermanual.pdf

Thanks soooo much