Playstation classic 2 controllers set up using Auto Bleem hack
You can use two controllers if you have a USB splitter and run the auto bleem hack to play ROMs/games off from the other USB port.
https://amzn.to/3cW6oI9
Link to the splitter in this video which is working:
https://amzn.to/3D4F5WP
Auto Bleem Relase and install information:
https://github.com/pathartl/BleemSync...