seen it yes it can be done. Best way to put them in the bottom is to fiberglass the bottom and mount a board on top. I have my EQ there now(dual 15 band with x-over) and getting ready to mount a bunch of other eqipment in there. I have also seen them done firing through the back portion. Yes you will need to find a way to mount a box to the back of it to get max sound but its not that hard.