Amazon.com: Kenwood KAC-D5101 1000W Max Power 4-Ohms Mono Amp Class D : Everything Else
Kenwood KAC 1000W Class D Digital Mono Amplifier with Variable Low-Pass Crossover Black KAC-5001PS - Best Buy
Kenwood XR1001-1 Reference Fit Mono Power Amplifier with 1000W x 1 output at 2 ohms, 2000W maximum power, Bass Knob Included, Speaker level Inputs and Signal Sensing Turn On - Creative Audio