“Does my Chromecast need electric power if plugged into the MHL port? Does MHL port supply power to HDMI streaming devices? I have Chromecast, Fire TV and Roku that all require power from electric plug or USB port. Will I need separate power or does the STR DH550 supply it?”

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• just plug your chromecast into the hdmi. Works great.

  Answered by ryano420 11 years ago

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• Hi Ott, Streaming devices needs external power such as the amazon fire TV stick. You have to plug it in a wall outlet with the supplied power adapter. For more info, pls contact the streaming device manufacturer. -Anthony

  Answered by SonyListens 11 years ago

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