Home theater systems enhance the video viewing experience through surround sound and other effects that are normally reserved for movie theaters. You can also hook up a microphone to home theater systems for karaoke and other activities. Connecting a microphone to a home theater system is a simple job that takes very little time.

Step
Examine your home theater system's equalizer component to locate a microphone jack. The jack should be labeled as "mic" and/or have a small logo of a microphone under it.
Step
Check your system to make sure it is turned off. Plugging new components into a sound system that is turned on can damage the system.
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Step
Insert the plug from the microphone into the mic jack for the theater system.
Step
Turn on both the theater system and the microphone to test the equipment and make sure it works properly.