Its a kit from creative sound . Its one 10 inch sub with 10 inch passive radiators that you can add weights to to tune them. It uses a bash 300w amp. I made the box to their recommended volume but used my own dimensions.

http://www.creativesound.ca/pdf/Quartet10_Subwoofer_Kit.pdf


DOG is GOD spelled backwards.
What others think of me is none of my business.
M80 V3 MY GLOSS Cherry