Can I Use an External Media Player or Computer? July 22, 2023 05:04 Updated Yes! There is an auxiliary HDMI input on the back of the Proto Epic that can be used to connect an external device. Related articles How Much Hard Drive Space Does the Proto Epic Have? How To Setup Your Studio Kit/HoloStudio Pro Tutorial Videos Can I Play Content Offline on the Proto M? Luma User Guide - 1.0 3D Objects