How to Connect a TV to a Speaker System - Lifewire May 19, 2019Most likely the input on the stereo or home theater receiver is an RCA jack. For digital connections, locate an unused optical digital or HDMI input port. Using a cable with the appropriate plugs on each end, connect the audio output from the television to the audio input of Optical Digital Output · Stereo Receiver How to Connect a TV to an Amplifier | Techwalla Connecting your television to your stereo amplifier is an easy way to improve the quality of your home theater experience. Most stereo amplifiers are compatible with most televisions. The difficult part is determining the best way to connect your devices in order to get the highest quality.