50W X 4 (4Ohm) (Continus RMS Power) Bridge connection 100W X 2(8Ohm) MAX Power 100W X 4(4Ohm) LPF Frequency 40-300Hz HPF Frequency 40-300Hz Frequency response 20-20KHz Channel separation = 80dB Input Level 100mV-3V Protection: short circuit, themal, overload, reverse polarity We offer mono and 2, 4, 5, 6 ways amplifiers, if you are interested, please feel free to contact us for more detailed information.