RMS Output power 80W 4 Channel 2 Mic Inputs Input sensitivity-42dB 1 Aux Input Input sensitivity-20dB MP3 player system with USB and SD slot Bluetooth® Digital Preset EQ Remote control Siren Function Speaker Output 4ohm, 8ohm, 16ohm Line output 70V, 100V Frecuency Response 20Hz-20Khz T.H.D 0.8% S/N Ratio <75dB Emergency mode 12V DC External Battery Power supply 110/220V~60/50Hz
