A gender or "gender-bender" change is a hardware device placed between two cable connectors of the same type and gender. An example is a cable connector shell with two female or two male connectors on it (male-male or female-female), used to correct the misalignments that result when connecting two devices or cables with the same kind of connector.

Vthey are used for RS-232 C ports in the original DB-25 or IBM AT DE-9 format. They are also used to extend any type of cable that normally has plugs on both ends (rather than a socket on one and a plug on the other), however in this case it is usually called only "extender", as with F connectors, Connectors BNC and various RJ connectors used in telephony and computer networks.

They are used in professional audio to adapt XLR connectors, RCA connectors, Speakon connectors and TRS telephone connectors