Plex is working to improve 4K playback on the Fire TV, so look for better support with future updates. Thirdly, even if your 4K files fits all the criteria, it still may not play directly due to a bug identified last week. Secondly, the Plex app for Amazon Fire TV 2 doesn't offer support for surround sound, and the audio files must have an AC3 or AAC audio track present. First, the 4K files must be encoded with a maximum bit depth of 8-bits per sample and contain metadata identifying them as having a Main Profile level. The fact is that many users finding 4K files don't meet the required specifications for direct playback by Plex. Can Plex on Fire TV 2 perfectly handle all 4K video? This includes support for H265 HEVC encoded files. This means 4K videos can be directly played on the Fire TV without your Plex server needing to transcode the files. Good news: Plex had added official support for the 4K video files on the 2nd generation Amazon Fire TV with their v4.21.0.528 update. Some other things you could try is also enabling the experimental player as well as tweaking the transcoding settings.Plex adds support for 4K playback on Amazon Fire TV 2 Hopefully, these settings above work for you as well. Then turn off “Direct Stream” and turn off “Direct Play.”Īnd that’s it! After setting these options above I no longer suffer from jerky or stuttering playback in Plex on my Amazon Fire Stick. Then turn off “Network discovery.” Step 3īack in the Plex options click into “Advanced.”

Step 2īack in the Plex Options click into “System.” Make sure the quality over local network is set to “Maximum.” Note: I am running my setup on 5Ghz Wireless N. Step 1Ĭlick into “Options” in your Plex app on the Amazon Fire Stick. I no longer have any stuttering or jerky playback. Settings to fix jerky and stuttering playbackĪfter fiddling around with the settings and reading multiple posts in the Plex forums I seem to have finally fixed it. I know it wasn’t my network as I have a pretty beefy wireless router with Wireless N. It was happening on 650MB avi files as well as HD mkv files. After a couple weeks of using it I started to notice jerky playback occasionally and stuttering.

Fire tv plex app