“For the TCL 6 serIes. I have an older sound system that won't accept optical connections. Would it work to use an RCA converter cable from the optical outlet? Or should I connect it to the via the 3.5 headphone outlet (adapting it to RCA) ?”

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• I just used 3.5 headphone jack , sounds great and easy set up with TV remote to control volume

  Answered by Brookz 6 years ago

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• headphone out would be cleanest

  Answered by badtcl 6 years ago

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• This TCL Roku TV can connect to external speaker through HDMI ARC, Optical Audio Out, or the 3.5mm Headphone jack. Hope this helps! Thank you, TCL Customer Support

  Answered by TCLExpert 6 years ago

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