No, the ATEM Mini Extreme supports a maximum resolution of 1080p at 60fps. It will automatically down-convert 4K HDMI input signals to 1080p.
You can connect up to 8 HDMI cameras or computers simultaneously, all featuring automatic re-sync and format conversion.
Yes, it supports direct recording to USB-C flash disks in H.264 format with AAC audio via its two USB-C expansion ports.
Yes, unlike the smaller models, the Extreme includes a dedicated 3.5mm headphone output for real-time audio monitoring.