My theory is it let's the sub breathe in a way. Sealed cabin means another almost enclosure surrounding the sub, or at least what I have come up with but w/e.
Leaking acid. Get new battery most likely. if you dont go gain crazy 1k is fine on stock electrical. I ran 1800rms on stock electrical and big 3. (105 amp alt, nice interstate batt)
I have used wall paint(like for sheet rock) without primer on MDF and it doesn't seem to soak any of it up and I used a roll on. (I used it on a desk for my room made of MDF.)
Benny benasi- come fly away
skrillex- kill everybody
skrillex- scary monsters and nice sprites
skrillex is dubstep but it gets me pumped when I play shooting gAmes