How can I play music from my iPhone through my TV or Home Theater System (HTS) wirelessly?

I have a smart Home Theater System (HTS) and a HD TV. Neither have a Bluetooth function. Ideally I'd like to play music from my iPhone 6 through this system wirelessly. If that isn't possible I'd at least like to be able to connect my phone with the proper cable. Is there a "receiver" that I can plug into my TV or HTS that I can pair with my iPhone to allow me to use my phone to preform different functions?

Apple Composite AV Cable

Apple Composite AV Cable

Product No Longer Available

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