Originally Posted By: Socketman
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
That was my first thought when you mentioned the frequency range and dual PRs. Creative Sound makes some really good drivers.

Fred

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Blujays1: Spending Fred's money one bottle at a time, no two... Oh crap!