Computer recording; 48V illusion power supply; built -in 16 types of DSP effects; damping knobs independently monitor, real -time monitoring interface, directly connect to headphones, you can listen to the level signals of various roads in real time; built -in Bluetooth 5.0; USB playback is plugged in, transmission is stable, transmission is stable Compatible with a variety of formats; three -stage sound rails, high, middle and low independent adjustment; multi -way microphone input, which can access various microphone and instrument metal interface transmission stable