Features: Imported components and imported audio processing integrated IC make the machine stable and durable. Built-in +48V phantom power supply. Optional 110V and 220V-250V universal external power supply, dual-channel 12-segment precision flow level. Adopt high precision rotary potentiometer. Built-in 16DSP digital effects. Comes with MP3, Bluetooth, MP3 port can bring its own independent computer to connect to each other. Allows you to easily enjoy rich scene effects. Imported materials make it easy for you to experience. Reinforced hard plastic case with handle for protection, convenient and durable. It is suitable for large, medium and small occasions, performances, conferences and offices, tea restaurants, government projects, etc. can be easily controlled.