Originally Posted by
e3NiNe
optical cable has light signals passing though.
make sure to keep the cable as short as possible and in a straight line.
On an unrelated note, Psyclone branded optical cable for the Xbox 360 is on clearance @ Target for 2.48.
even if he has some loops or a long line, it should never degrade sound quality. I have all my audio hooked up through optical line, as it is a much nicer, crisper quality.