Anyway, that lists it as having 5.1 surround sound, but only has the three mini jacks for line out, line in, and microphone. Currently I just have a 3.5mm (I think?) jack going from the line out which ...
I have my MacBook Pro connected via thunderbolt to my Dell monitor. The Dell monitor has a line out port to my powered speakers. Unfortunately, my speakers have independent volume controls in the back ...