Hi Benjee,

I'm streaming N64 games using the red/white/yellow to HDMI (upscaled to 30 or 60 FPS and 720p or 1080p) and its output through the HDMI In of the Avermedia LGX. With the USB 3.0 output of the LGX to my PC so I can use it in OBS. No problem and very clear image/sound.

Hope this helps!