That’s right, a French-modder by the name of furrtek has created a functional “Hard Drive Speaker” system. To make your own, you’ll need cutting pliers, a soldering iron (30E), tin drop, flat screwdriver, lots of wiring, dead hard disk, and a pair of enclosures with buit-in amplifier (5W preferred). Full instructions here. Video after the jump.
An old Compaq harddrive I moded to play music from an amplified output. The sound you hear is only coming from it, the speakers you’ll see in the back are off