Hello everyone. I am new to this forum and know very little about car audio. I would like to run around 1000 watts rms to a singe 15 in a sealed box, and am looking for any recomendations. I would like to keep the box size around 2.5 cu ft.

 

a standard ported box would work out pretty well and can be obtained from any car audio shop for 70 to 80

 

With that airspace a ported 12" would do well and could potentially be louder than a 15" with small airspace.