I did some audio work for a neighbor who thought he'd only be able to fit a good 8 in his under-seat enclosure. I was able to router it and utilize a 10TW1-2. This item is in the category "Consumer Electronics\Vehicle Electronics & GPS\Car Audio\Car Subwoofers".
The seller is "baseballdork13" and is located in this country: US. This item can be shipped to United States.