Originally Posted by Trollheart

Yeah I would buy a cheap amp, hook that to your PC via a 3.5 to RCA jack (or whatever way the speakers are connected but it's usually through RCAs) and it should work. I used to blast my PC music through my amp till it died, bought another, it died, so I said **** it and just used a pair of speakers with a subwoofer connected directly to the PC.

Note: if there's a line-out on your computer use that rather than the headphone socket, as the latter tends to give less volume.