A "4mm Male Plain X Male Plain Connector" typically refers to a type of electrical or electronic connector with the following features:
4mm Size: The connector has a diameter of 4 millimeters, which is a common size for various applications, especially in audio, power, and low-voltage connections.
Male Connector: Both ends of the connector are male, meaning they have protruding pins that can connect to female counterparts (sockets).
Plain: This usually indicates that the connector has a straightforward design without any additional features like locking mechanisms or specialized configurations.