Key Features :
3 Mic & 1 Aux Input.Cut type bass & treble controls.3 power source amplifier ; AC mains, 12V DC (car batt.) and 12V DC dry cell ( two Banks of 8 x 1.5V UM-1 cell each ).Extremely portable and ideal for use in remote places without electricity.Low current consumption for long battery life.SPECIFICATIONSKTA-40POWER SUPPLY AC: 220-250V 50/60Hz DC: 12V (Car Batt.)DC: 12V (Dry Cells 8xUM-1)POWER OUTPUT50W MAX.40W RMS AT 10% THD30W RMS AT 5% THDOUTPUT REGULATION <2dB, NO LOAD TO FULL LOAD AT 1KHzINPUT CHANNELS 3 X MIC 0.6mV / 4 .7K1 X AUX 100mV / 470KFREQUENCY RESPONSE 100-12,000Hz ± 3dBSIGNAL TO NOISE RATIO 60dBTONE CONTROLS BASS : ± 10dB at 100HzTREBLE : ± 10dB at 10KHzSPEAKER OUTPUTS 4 Ohm, 8 Ohm, 16 Ohm & 100VDIMENSIONS W278XD300XH114mmNET WEIGHT 5 Kg