The optical audio port, also known as the TOSLINK port, is a type of digital audio connection that uses fiber optic cables to transmit audio signals between devices. It is typically found on home theater systems, soundbars, and some high-end audio equipment.
The primary advantage of using an optical audio port is that it can transmit high-quality digital audio signals with minimal loss of quality. Unlike analog audio connections, which can be susceptible to interference and noise, optical audio connections are immune to electromagnetic interference and can provide a cleaner and more accurate audio signal.
You should use the optical audio port when you want to transmit digital audio signals between devices, such as from a Blu-ray player to a home theater system, or from a soundbar to a TV. It is especially useful when transmitting high-quality audio signals, such as those found in Dolby Digital or DTS surround sound formats.
Overall, the optical audio port is a reliable and high-quality option for transmitting digital audio signals between devices, and it is worth considering if you want to ensure the best possible audio quality from your equipment.