This audio device adopts a 4-channel mixer console design to support multi-channel audio input and signal mixing. Comes with a complete wireless microphone kit, integrating mic equipment with the mixer for integrated audio use. Built with Bluetooth connection and USB audio interface functions to realize diverse audio signal transmission modes. Applicable for DJ work and karaoke activities to meet professional and daily audio mixing demands. Compatible with PC and guitar devices, enabling audio collection and mixing for different equipment connections.