Not quite sure at the moment as im in 2 minds of selling it, as theres a lot of stuff and the box we designed ourself to support the right volume in the box to get a really deep tone, it is a completley sealed enclosure... with 2 Perfect 10s Infinitys and a Brand New 2800W Vibe MonoBox 4 Amp running them over Parrelell wiring changing it over to series soon... i cant find the forum link as a lot has been removed it hink... well in the technical section...i will try and post later on tonight as i will get the pictures off my phone...