And now, with just the addition of a highfalutin LED and some software, the Teensy can output digital audio over optical fiber. S/PDIF, and more specifically optical TOSLINK, uses LED light sent ...

While at one time they were the standard for surround sound systems, the fiber cables with their glowing red tips have now been largely supplanted by the all-in-one capabilities of HDMI on new TVs ...

ensure your device has an optical audio port and decide whether you prefer to use HDMI for connections instead. Below, we have highlighted some of the best optical audio cables available today and ...