SEGA Mega Drive / Genesis to Master System / Power Base Converter
SEGA Genesis Master System Power Base Converter - MK1620 for sale online | eBay
Sega Genesis POWER BASE CONVERTER Sega Master System Model No. 1620 Game Adapter | eBay
Digital Press on Twitter: "A Sega Genesis Power Base Converter was just traded in. This adapter allows you to play Sega Master System games on you Sega Genesis Model 1 https://t.co/7JlKbaepco" /
Finally got myself a Master System Converter! : r/SEGAGENESIS