USB to Audio

There’s USB to anything you can think of these days.  TOSlink is one of those outputs that are rarely used, and if so, are used only when expensive equipment is concerned.  It is simply an audio output that is transfered using fiber optics.  When it comes to either audio or video, fiber optics is a smart choice simply because with copper wire you are prone to electro magnetic interference that is hard to diagnose.  To avoid unwanted noise, I’d recommend going with a usb to Toslink adapter.  This particular one will give you 5.1 surround sound.