As the title says, which of these would perform better in a sealed enclosure? I am still a newb with modeling programs and installs. I am currently running a sa8v2 on 500watts in a 33hz ported box due to space limitations. Planning to upgrade my electric to run a saz2000 or saz2500. I'd like to have it pushing either a x or zv4 10 in a sealed enclosure. Does anyone know if these subs will perform well in a sealed enclosure?