usb 5.1 sound card

[Cam]

I'm looking at this and im wondering as its got optical input. could i hook up my 360 via an optical cable then would the play out through my 5.1 speaker setup on the same sound card, or would it require another 5.1 surround card?

Many Thanks.

Cam.
(:

[coin-op]

It mentions optical, and it looks like it ha an optica I/P
Why not ask the seller?