552 Mp4 -

: An MP4 file acts as a wrapper that holds video, audio, subtitles, and images. It requires a codec (like H.264 or H.265) to actually compress and decompress the media.

: It is designed to deliver wide-screen pictures using as little as 6Mbps of data. Sound Devices 552 Production Mixer

Several professional displays and receivers use the "552" designation and highlight MP4 support in their technical guides: Sharp MultiSync ME552 Display

: It specifically supports MP4 files using H.264 or HEVC/H.265 codecs.

offers roughly 50% better compression , allowing for smaller file sizes or higher resolutions like 8K, but requires more processing power to play. 3. Alternative "552" Contexts Sound Devices 552 | PDF - Slideshare

is the most widely supported and recommended for general web use.