These adapters allow you to convert your plug / jack / wires to each other.
5.5 x 2.1mm male to male barrel plug is compatible with all 5.5 x 2.1mm female barrel jacks. 5.5 x 2.1mm female to female is compatible with all 5.5 x 2.1mm male barrel jacks.
For example when you want to connect your light to 12V power supply but both of the connectors are female DC jacks, this adapter can help!
We also provide 2-Wires to Male and 2-Wires to Female versions! All installations are now easier and more plug-and-play friendly with these adapters.