MAYFLASH PS2 to HDMI Converter Adapter, Video Converter with 3.5mm Audio Output for HDTV & HDMI Monitor, Compatible with All PS2 Display Modes

Actual best bang for your buck (returned my Electronpulse) if you don't want upscaling and just an HDMI digital signal. https://a.co/d/01GVBLtB 480i content will still look pretty garbage without an upscaler.