Surround to 3.5mm Conversion

After doing a bit of research, I went ahead to buy myself an RCA to 3.5mm adapter for my speakers. Connected my 2 RCA to 3.5mm on the back of my PC. I connected my FL and FR to LINE OUT. My CEN and SW to C/SUB. And my SL and SR to REAR. With this built in amplifier in my subwoofer, I have set...

So-- I moved recently and was given a set of speakers. The front left and front right channel speakers of a sony SS TS95. What I'd like to do is convert the standard screw-terminal ends on these speakers to a 3.5mm stereo jack using...