Digital audio cables are used for transmitting digital audio signals optically or electrically from an audio source (usually a DVD player) to an output device (usually a home theater system receiver). They are composed of two connectors on either end. They come in three- to 25-foot lengths or longer.
Types of Digital Audio Cables
Kinds of Digital Audio Cables include the following:
Optical digital audio cables
Optical digital audio cables send out digital audio signals as light pulses.
Some models have light rings around the connectors that light up when the cables are properly inserted and when the device has identified a signal.
They are made of durable optical fibers.
They come in three- to 25-foot lengths.
Coaxial digital audio cables
Coaxial digital audio cables look like analog RCA cable-type connectors, but they transmit digital audio signals electrically instead of analog.
They come with copper braided shields and split center pins for efficient signal transmissions.
They are made of durable optical fibers.
They come in three- to 25-foot lengths.
Choosing Digital Audio Cables (Buying tips)
Compatibility: Before buying a digital audio cable, make sure your electronic device has a compatible digital audio cable jack. The back of your DVD player or television should have a coaxial digital audio cable jack (usually round) or an optical digital audio cable jack (usually square). Connector: Look for a digital audio cable with gold plated connectors. Gold prevents the connectors from rusting and corroding, and offers more efficient signal transmissions.
Universal plugs: To ensure proper cable connection all the time, choose a digital audio cable with universal plugs. This feature eliminates the need to check the plug’s orientation before inserting it.
Protective jacket: For resistance to corrosion, choose a digital audio cable with a protective jacket made of PVC.
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