Supply Voltage: 12~14.4V DC Power Output 4 Ohm: 3000W x 1 Power Output 2 Ohm: 5000W x 1 Power Output 1 Ohm: 8000W x 1 Frequency Response: 10Hz~20KHz(-3dB) Signal Noise Ratio: >90dB Input Impedance: 22K Ohm Input Sensitivity: 250mV-6V T.H.D.: 0.05% Hi Pass Freq.: 10-80Hz Low Pass Freq.: 80-20KHz Bass Boost: 0-12dB