We are manufacturer, professional amplifier. 1, 100W. 2, 6 channel outputs transformer control it the audio seperatelly. 3,nc ModelRated powerOutput ... ×4301.3 MIC inputs, 3 Aux inputs, 1Aux output with 70V, 100V Outputs, 4-16Ω outputs. LED Level indicator.2.6 channel outputs, individual volume control ... .4.Short- circuit. over -load protection. 6 areas mixing power amplifier