Look out for the JBL sub 12 and the JBL Synthesis SDEC4000 in the video.

Three Rules for Great Bass -- Part 1
http://www.youtube.com/watch?v=xe-phE223vM

Three Rules for Great Bass -- Part 2
http://www.youtube.com/watch?v=z2LQJ23KWbw&feature=related

Three Rules for Great Bass -- Part 3
http://www.youtube.com/watch?v=0AdPZFaBpn0&feature=related