EBTOOLS Power Plug, 1.3mm X 3.5mm DC Power Plug Jack, For Small Electronics Projects - Walmart.com
My Cable Mart - 3.5mm Plug/Jack, 4 Conductor TRRS, Self Solder, Male
Cable de 2 Plug 3.5mm Estéreo a Jack 3.5mm TRRS-252-143 Negro | Promart - Promart
Amazon.com: ANDTOBO 1/4'' to 3.5mm Stereo Pure Copper Headphone Adapter, 3.5mm(1/8'') Plug Male to 6.35mm (1/4'') Jack Female Stereo Adapter for Headphone, Amp Adapte, Black 2-Pack : Electronics
Mini Plug - 3.5mm + 2.1mm, both straight - Pedalboards by Stompin-Ground