Subs = C-10-4a Amp - Soundstream Ref 300 (2 channel) Enslosure needs to be 2.5 cubic feet Dimensions are unknown as the issue with angels. I was going to make the box, then make a facia side to side, floor to roof. With failures to accurately create angles to fit the space, I am thinkning of making a false floor (to move the box forward). Would love to be able to have the enclosure as a secured, but, removable option.