Ignite Audio 2 Channel Class A/B Car Amplifier 1600 Watts Peak Power 2 Channel Class A/B 1600 Watts (Peak Power) Amplifier RMS Power Handling @ 4 Ohms: 180 Watts x 1/ RMS Power Handling @ 4 Ohms: 60 Watts x 2/ RMS Power Handling @ 2 Ohms: 90 Watts x 2 Total Harmonic Distortion (THD):  90dB Low Level Input Sensitivity: 0.2-6V/ Dimensions LxHxW: 11.81 Inches x 2.05 Inches x 8.94 Inches