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 ...

The What: Extron has begun shipping the HD Pro Plenum Series of active, hybrid optical-copper cables for high-speed transmission of HDMI digital video and audio signals. They support data rates up to ...

I need to get one of these digital optical cables that is 20ft long.<BR><BR>I see 3 versions:<BR><BR>Monster Cable $79US each<BR>Belkin $99US each<BR>Star-Tech $15US each<BR><BR>Now I know (sorta) ...