Klipsch R-12SW 12" 400W Subwoofer $150 at Amazon
Amazon has the Klipsch R-12SW 12" 400W Subwoofer (Black) on sale for $181 - $31 off coupon
(check green "Save coupon" box) =
$150 with free shipping.
Costco has it for the same price (for members).
Original Source of Info