I have 2 12" MTX subs to trade for 10" subs. Not sure what model but they're probably base models. they are black with red in a sealed carpeted box. I bought them a year ago as a package deal in a box with an amp. They take up a lot of space in my trunk and now that I have a baby, I'd like to downsize and get some space back for strollers and other baby stuff. They are in excellent condition.

 

lol... go with 1 12" sub as the 10s will not save you too much room =P . good luck and congratz on the kid.