Most LG TV's have optical audio-out ports for connections to sound systems. If your LG TV has a coaxial audio-out port, obtain a digital coaxial audio cable (code color yellow) to connect the TV's audio-out port to the speaker's coaxial connector. What model number is your LG TV? If your TV has neither an optical or coaxial audio-out port, you may have to use the analog audio-out connector on your TV to connect to the AUX soundbar connector. This usually requires a 3.5 mm to RCA stereo cable, available from Best Buy.