Crunch GPA1800.2 1800 Watt 2 Channel Car Audio Amplifier + 4 Gauge Wiring Kit New Crunch GPA1800.2 Ground Pounder 2 Channel Amplifier RMS Power: 2-ohms: 2 x 950 Watts 4 ohms: 2 x 450 Watts Bridged at 4 Ohms: 2 x 1800