When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
...or you could just get a single 15" TC3000 and be done with it. The last subwoofer upgrade you would ever have to do. Pounds like nothing else, and sounds amazing. Google it.
10W7 does not have enough output for SQL, SQ maybe. My friend had it, and I stomped all over him with my 12" Mag - SQ and output. Hardly a competition.