There is a thread about this (same title) that has been closed. Last discussion point was late 2019. It ended with an indication that plex only recognized one tuner but Hauppauge had enabled the second with a firmware fix and was waiting on plex to enable it.
Hauppauge support got back to me today and indicated this still was the case.
Any idea on if/ when the second tuner will be enabled to work with Plex?
I am looking for a tuner that also transcodes and this is all I could find. I plan on setting up live TV on a raspberry pi 4, but don’t think I can afford to have it do the transcoding.