Crunch PowerDriveX 1000 Watt 4 Channel Exclusive Blue A/B Car Stereo Amplifier - Walmart.com
MAXXSONICS 4 Channel and 2 channel 1000 Watt Amp A/B Class Car Stereo Amplifiers PX-1000.4 + PX-1000.2 - The Home Depot
Amazon.com: Crunch PX 1000.4 4 Channel 1000 Watt Amp A B Class Car Truck Motor Vehicle Stereo Power Amplifier, Lightweight 5.4 Pounds Black : Electronics