Originally Posted by Dunan
It's a 4.1 but there is no sub output.
Is it a ProMedia? If not could you link to it please. I think it is a 4.1 but between the PC and the Klipsh is 4 full range channels, the Klipsh filters the sub-bass from the 4 full range channels it recieves and creates 4.1. You should set 4 speakers (Quadraphonic) in Windows sound.