Here's what I found at Walmart which is typically for car stereos but it converts speaker outputs to RCA outputs....will give it a whirl
http://www.bestbuy.com/site/Scosche+...=1218106684939
Got it to work....with just this:
http://www.buy.com/prod/scosche-slc4...203086394.html
No other cables needed as the RCA cable that came with the woofer worked.
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