● Debugging function of mobile phone ● <UNK> can store 16 modes. ● Local PC interface is free from installation and drive ● It uses 24 bit data bus and 32 bit DSP. ● The reverberation and echo are all provided with 3 parameters equilibrium. ● Each channel output has a 0 to 100ms delay. ● <UNK> Microphones have level 3 feedback suppression and can choose OFF/ON. ● The MUSIC input channel has 15 balanced parameters,with high and low pass adjustments, a variety of slope options, and variable tone functions. <UNK> 2 sets of MIC input, 1 with 2MIC is a group, ● 3 MIC is a group, the front and rear microphones are each 15 parameters EQ independent adjustment, each group has high and low pass adjustment, a variety of slope optional, open microphone noise door, users are free to choose. ● The main output, the middle output, the rear output and the ultra-bass output are all balanced with 8 parameters, and the high and low pass can be arbitrarily adjusted, and various slopes are optional. ● Main output, middle output, rear output and ultra-bass output can be set to: singing, hot dance or automatic mode ● The machine has an all-around power menu, which can also be set up through the PC interface. The machine connection computer can be connected via data lines or Wi-Fi.