I really can't find this answer anywhere.   Is the signal processing for the center/ sub channel done by the speakers themselves, or is it only done by a 5.1-capable sound card?   Would wiring the center/ sub channel to a stereo output, as shown in the diagram, achieve the desired result...

The speakers and "control module" all plug into the subwoofer box. There aren't any switches on the subwoofer box, unless they're hidden somehow. The "control module" has an on/off button (which doubles as a headphone-out button), a big primary volume control knob, and three little knobs for...

No "expanded stero" option I know of. No switches or anything anywhere. Just the three channels in. The laptop in question has absolutely horrid sound output, so I need to get an external card if I'm using it. Is it possible to split one stereo output into three without severe problems? I...

I have a set of Klipsch ProMedia 5.1's that just have the Green, Black and Orange "Front", "Rear" and "Center/ Sub" channel inputs.    I'm looking to get an external sound card, so that I can connect them to my laptop rather than the old desktop with a Creative Audigy 2 soundcard. (Whatever...