You have a few options when you want to connect your TV to an audio source. All of these are easy to set up if you are familiar with basic audio equipment and understand how to run these connections. But even if you've never set up a theater or s. You have a few options when you want to connect your TV to an audio source. All of these are easy to set up if you are familiar with basic audio equipment and understand how to run these connections. But even if you've never set up a theater or sound system, you can still make it happen quickly and easily. Using an optical audio cable for this has. There are some benefits of using an optical audio cable that you should be aware of to help you know if you want to use this type of connection over another. Optical audio isn't always a standard connection, but it is good to use in certain situations. Optical audio can be the best digital signal option if your TV doesn't have an HDMI output. While. Here are a few quick answers to some of the most commonly asked questions related to how to connect an optical audio cable from a TV to home theater.Connecting an optical cable from your TV to home theater is as easy as plugging one end into the input on your TV and the other into the output on your receiver or speaker system. You just need to ensure those two connection points are close enough to get good audio quality. HDMI connections are much more common these days because they send digital.