did you forget to hook the sub up or what?sure do been told by numerous people to push atleast 3000watts to it...its rated at 2000rms and 400peak so im gonna go between which is 3000. far as a box i just want bigger then what i got the speaker is almost touching the back by about 2inches or so...Had a Cerwin Vega Vmax rated 600rms and 1200peak pushed 2000 to it and it held up.