without knowing your exact tv and vizio model numbers, we do not know what ports are available to help you to do what you want.
I have a lot of music on Media Player, including some You tube live(i don't see the video-just hear the music). Is there a way I canhook it up so that I can listen to my music through the Vizio sound bar or televisionI'm especially interested in the You-tube ones because I was unable (or didn't know how) to download onto my iphone. Can I use music from my iphone and connect to the TV to listen to that music I downloaded? If so, how do I go about it. Once I get my sound bar is there a way to hook up Media Player playlists?

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