●4 channels of line output
●4 channels of power output
●2 channels of line input, each of which may adjust the volume and tune independently;
●3 channels of microphone balanced input, each of which may adjust the gain and tune;
independently with the optional +48V phantom power supply;
●4 channels of remote paging microphone inputs (Linking up to 10 equipments)
●With built-in MP3 module, play mainstream 32G U-disks
●LED indication, level indication, and protection indication