Roku high resolution
All devices connected to your compatible Roku device must support HDMI 2.0 and HDCP 2.2 to successfully stream 4 K content.
This includes your television, an AVR, and any other interconnected devices. If even one device does not support HDMI 2.0 and HDCP 2.2, then only a lower resolution,
such as 720p or 1080p, can view the 4 K movie or TV show. HDCP 2.2 is a standard for copy and content protection required by the television and film industries.
Some older 4 K Ultra HD TVs do not support HDCP 2.2, while others may support only HDCP 2.2 on one HDMI input.
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