Bass Inferno BI4400PRO 4400 Watt Class A/B 2-Channel Car Audio Amplifier Amp Bass Inferno BI4400 PRO Amplifier Rated power: 14.4 Volts Peak Power Output: 2Channels x 1100 Watts @ 4 Ohms Peak Power Output: 2Channels x 2200 Watts @ 2 Ohms Peak Power Output: 1 Channel x 4400 Watts @ 4 Ohms