RGB Video Output (PC Engine Duo) Updated Mar 15, 2026 · 1 min read · 0 viewing Previous AV Pinout (PC Engine Duo) The PC Engine Duo uses the same physical AV port as the Master System 1, Mega Drive / Genesis 1 and ... Next Audio Circuit (PC Engine Duo) The PC Engine Duo has a sound system that mixed audio from various sources. I have yet to reverse en...