Bose Acoustimass 10 III System "audio input cable lifestyle" Questions

audio input in the form of a circular 8 pins. I'm not sure if i can use this with any other system than the Bose LifeStyle Series. If there is a way, please help. Bose Lifestyle 3 or 5 not sure which.

...audio output off your cable or set top boxes. those, still have analog audio out. If you need to connect more audio sources, use TV as a video monitor, connect all the audio outs to your "Bose", ...