Amazon.com: 4K@60hz MP4 Media Player Support 8TB HDD/ 256G USB Drive/SD Card with HDMI/AV Out for HDTV/PPT MKV AVI MP4 H.265-Support Advertising Subtitles/Timing, Networkable, Mouse&Keyboard Control : Electronics
How to easily burn in/hardcode srt subtitles to mp4/mkv with VidCoder - VideoHelp Forum