The shell is made of zinc alloy and the tail is made of PVC rubber sleeve. The contact point of the plug is thick copper core, silver-plated, which belongs to the high-end positioning. This section is mainly used for the production and welding of XLR audio wire, wire DIY. Plug assembly is assembled to facilitate DIY production. Can DIY headphone connection wire, power amplifier audio wire, microphone audio wire, mixer connection wire, stage lamp power supply wire and so on.