yes i have a box for it i allready have an amp to the pca2000d but i think i got defective subs cuz both did the same thing and the dude at the store said he's nvr seen it happen the voice coil popped out from were it meets the cone on both of them and it did one hmm 3 days ago and the other yesterday and both times radio was 1/4 of the way up i donno whats doing it its wired like he said n he tuned the amp sooo .... i donno