▲With digital tube display stereo, sound card function MP3 input;▲Phantom power +48V, for condenser microphone use;▲Built-in digital effector;▲Low-noise microphone input, all channels are balanced in 2 segments;▲Recording, headphone monitor output;▲MP3 with Bluetooth, recording function, USB, TF card socket;▲1.2 The channel band effect is beautiful;▲3.4 channel stereo with switching MP3 input;▲The external 5V switching power supply can also be connected to a computer for power supply