OBS Studio: Stream to multiple platforms or channels at once

Each URL will receive a copy of the stream, without reencoding. Option 3. Two (or more) services, each receives its own reencode Let’s say you want to stream to Twitch in 720p 60fps 6 mbps, and to Youtube in 1080p 60fps 20 mbps. There are two ways to approach this – either stream locally in high quality (target 100-230 mbps, or use CQP) and do two reencodes, slightly increasing the performance …

https://obsproject.com/forum/resources/obs-studio-stream-to-multiple-platforms-or-channels-at-once.932/