just wondering if you use to channels for the components, could you bridge the other 2 channels to power a sub for these two amps? http://cgi.ebay.com/NEW-JBL-GT5-A60...ryZ39739QQssPageNameZWDVWQQrdZ1QQcmdZViewItem http://cgi.ebay.com/JBL-GTO1004-4CH...ryZ39739QQssPageNameZWDVWQQrdZ1QQcmdZViewItem