https://www.component2buy.com/p1546/3.5mm-Male-Plug-to-6.35mm-Female-Jack-Stereo-Headphone-Adapter-Converter.html
3.5mm Male Plug to 6.35mm Female Jack Stereo Headphone Adapter Converter - Audio - component2buy
https://www.component2buy.com/p1993/5.5-x-2.5mm-DC-Male-Plug-Power-Connector-to-Terminal-Block.html
5.5 x 2.5mm DC Male Plug Power Connector to Terminal Block - DC Power - component2buy