It was once the most high-tech and futuristic feature you could find: Transmit sound -- with light! Lasers! A cable not of copper, but glass! Except, it was almost never glass, and was usually ...

An optical audio port, also known as a TOSLINK (Toshiba Link) port, is a type of digital audio connection that uses light to transmit audio signals between devices. This port is commonly found on ...

I just got a cheap KLH amp/receiver to go with my Sony 200 disk DVD changer, and I got them all hooked up.<br>All of the RCA cables are in place, as well as S-Video and an Optical digital audio cable ...