Thanks.
The problem with '3.5mm to stereo RCA' cable is the 2 inputs on sound card are too closely populated for the 3.5/insert end of the cable to adjacently be plugged in together. That's why it didn't seem right.
If it were something like this...
Hello,
I recently bought speaker system from the picture, called Audionic Pace 6.
http://www.audionic.co/product/pace-6-5-1-channel-speaker
http://imgur.com/smpBuoW (backside of the system)
I wanted to use it with my Creative SB0880 5.1 sound card...