something around 400 watts rms just not an 8W7, let me know what you have or if there is an 8" sub that is 400 rms or somewhere in that range
http://cgi.ebay.com/MA-Audio-MA800XL-Sub-8-Inch-DVC-800-Watts-Subwoofer-New_W0QQitemZ5856442309QQcategoryZ18802QQssPageNameZWDVWQQrdZ1QQcmdZViewItem
i dont think you can get a better 8'' subwoofer for the price //content.invisioncic.com/y282845/emoticons/biggrin.gif.d71a5d36fcbab170f2364c9f2e3946cb.gif