I bought the music edition of the XFi card and a set of Logitech 5500 speaker, the 5500 has a coax and an optical input. Unfortunately the music edition does not. It does have a Flexjack which you should be able to use for an optical out, but I cannot find the right part to buy, calling Creative was a waste, I was told to buy the platinum edition if I want to use optical. Any help will be appreciated.