This is the DUO-SFF (Super-Famicom+Famicom)
Set your Super-Famicom+Famicom side by side and safely power them both with 1 power supply.
Just set your 2 consoles side-by-side, plug it in and play. It's that easy.
No step up or step down converter needed for any Retrogamecave power supply.
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