Introducing the Rockford Fosgate P400X4, a high-quality 4 channel car amplifier from the Punch series. This amplifier is designed to provide exceptional sound quality and power to your car audio system. With its brand of Rockford Fosgate, you can trust that this amplifier is built to last and perform.The P400X4 model is perfect for car audio enthusiasts who demand the best for their vehicle. It features four channels and is capable of delivering up to 400 watts of power, making it ideal for powering multiple speakers or subwoofers. Whether you're driving on the highway or cruising down the street, the Rockford Fosgate P400X4 is the perfect addition to your car audio system.