Step-by-Step Instructions for Best Experience
(Reference Model: Roku 4K Express (2021))
Select your Roku Streaming Stick Model
STEP-BY-STEP GUIDE:​

NOTE
Connect Roku Express (HDMI OUT) to TV HDMI input with a HDMI-certified High-Speed 2.0 cable (18Gbps) for high quality video and audio. Recommended HDMI Cable >
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Audio will be sent out via TV's HDMI ARC to soundbar HDMI 1 ARC
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Ensure your TV supports 5.1 channel pass-through via HDMI ARC. Click HERE to view a list of TV that supports 5.1 channel pass-through

NOTE
Connect Roku Express (HDMI OUT) to soundbar HDMI 2 or 3 (processing prioritized ports) with a HDMI-certified High-Speed 2.0 cable (18Gbps) for high quality video and audio. Recommended HDMI Cable >
For video apps such as iTunes, Netflix, Prime Video and Vudu with Dolby Atmos surround, Apple TV 4K outputs the audio signal in Dolby Atmos MAT format.
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For streaming apps such as Netflix, Prime Video and Vudu with non-Dolby Atmos 5.1 surround, refer to item 4 to output Dolby Digial 5.1 for optimal surround performance.
1. AUDIO SETTINGS
Click on the arrow button at the sides of the image to go forward/backward for settings. (Click on image to enlarge)
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Sequence:
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Settings > Select Audio
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Audio > Select Streaming Audio Format
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Streaming Audio Format > Select Auto
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Audio > Select Digital Output Format
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Digital Output Format > Select Auto
Press INFO button on soundbar remote control to verify audio format received on soundbar (Dolby/DTS audio for best audio)
