so far so good.. but shawn i am using the insulation like you recommended...wow when will it stop blowing fiberglass insulation out the port?? LOL ...so maybe i will get my other one finished up this week so i can test them all together i will add this thing seems to go LOW LOW LOW... now i have to atleast go turn on my pair of 8s along with the single 12 i hav right now. cant wait to see what it will all do when done