Ive got a custom box made by pioneer~saturn. Very nice...kerferd port and 45s in corners. Barely has been used by me. Sub and port are both firing forward/up. You will have to use it with sub and port firing foward if you want it to fit though, because its 12 or 13''. Pm me if youre interested
oh crap didnt know you needed 2 cubes. This box is 3 cuft sorry. Its tuned to 34hz I beleive. I can go back and look at all the specs if youre still interested even though its too much space for what you want.