Re: calculating multiple drivers
No you don't have to have a rectangle box (I think that's what you meant) but if the walls close off too much, you might end up losing that area as useable space anyway.
Post up a sketchup, or a really good description for better help
Car : 1992 Civic CX Hatchback (Turquoise)
HU : Kenwood Excelon (Front USB!!)
Amp(s) : Deck for speakers, Crossfire VR2000 (Soon to be 2!!)
Sub(s) : Premier TS W2000spl X2
Speakers : Premier 6.5" 2-way REV Series Coaxial fronts, Premier 6X9 3-way rear
Quoted from Youtube "... ur beta off getin an audiobahn amp or sumin wid true power and snd quality. "