This is to force myself to build my custom sub. http://cgi.ebay.com/Dayton-Audio-SUB-100-Subwoofer-Speaker_W0QQitemZ220494575765QQihZ012QQcategoryZ3276QQssPageNameZWDVWQQrdZ1QQcmdZViewItem I will pull the bidding for a good offer from a member of our exclusive club. :-)