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The Daily Insight

What is optical connection for soundbar?

Author

Daniel Foster

Published Mar 15, 2026

What is optical connection for soundbar?

The one standout in home audio/video market is the optical audio cable. Unlike other cabling standards, the optical audio system uses fiber optic cables and laser light to transmit digital audio signals between devices.

How do I connect my Optical soundbar to my TV?

  1. Connect one end of the HDMI cable (sold separately) to the HDMI IN port on your TV.
  2. Connect the other end to the TV OUT (ARC) port on your sound bar.
  3. Then, connect an optical audio cable from the TV’s Optical digital audio out to OPTICAL IN on your sound bar (this is necessary to hear the TV audio).

Where is the optical cable on a sound bar?

The INPUT jack is on the back of your soundbar. Secondly, enter the other end of the Optical Cable to the Optical Digital OUT port which is on the back of your TV. Next, let’s connect the external device and the TV.

How do I connect my sound bar to my TV?

To connect the soundbar and external device follow the procedures below: At first, plug in the Optical Cable’s one end to the Optical Digital IN jack. Secondly, enter the other end of the Optical Cable to the Optical Digital OUT port which is on the back of your TV. Next, let’s connect the external device and the TV.

What kind of cable do I need for a soundbar?

HDMI ARC (Audio Return Channel) sends the audio signal from the TV to the soundbar. An HDMI ARC port can be used as a regular HDMI input, but as mentioned, it doubles as an audio output. A Digital Optical cable, also referred to as an Optical cable, will produce a reliable and consistent sound.

Can a sound bar be connected to a coaxial TV?

Optical Input to Coaxial Output (Or Reverse) If your TV has an optical output, but your soundbar only has Coaxial input, one solution would be to get an optical input to the coaxial adapter. These adapters are relatively cheap because they only convert one port to another, instead of multiple ports like the audio extractor mentioned earlier.

What is a good optical cable?

This BlueRigger cable is regarded as the best optical audio cable in recent times. It allows you to enjoy movies from the highest quality displays by connecting them with Dolby or DTS surround sound. The cable connectors are topped with protective rubber tips that need to be removed before installation.

What is the best optical digital audio cable?

Topping the list of best optical audio cables is the KabelDirekt Optical Digital Audio Cable. The optical digital audio cable is perfect for connecting to DVD’s Blu-rays, satellites, home-theatres, Xbox and Play Station . 24K gold plated connectors are corrosion resistant and receive no EMI or RFI signal interference.

What is the best fiber optic audio cable?

  • KabelDirekt Optical Digital Audio Cable.
  • iVANKY Optical Audio Cable.
  • BlueRigger Premium Digital Optical Cable.
  • Cmple Toslink Digital Fiber Optical Cable.
  • FosPower Toslink Digital Optical Cable.
  • AmazonBasics Digital Optical Toslink Cable.

    What is an optical audio cable used for?

    An optical audio cable is a type of cable that can be used to transmit audio signals between multiple devices, utilizing an optical signal that retains greater fidelity than some other methods of signal transfer.