Z-Tutorial - Subwoofer Hookup Tips
Here is the drawn out diagram. http://i.imgur.com/QPZIBx9.png
Here are the the parts used.
Schosch Line Converter [http://amzn.to/1xeEFT9]
RCA Y-Splitters [http://amzn.to/1iTChyg]
Twin Banana Plugs [http://amzn.to/1m7vgsv]