Sound Storm EV4.400 Evolution 400 Watt, 4 Channel, 2 to 8 Ohm Stable Class A/B, Full Range Car Amplifier

Sound Storm Laboratories EDGE Series DG12000 2,000-Watt MOSFET Monoblock Power Amplifier with Remote Subwoofer Level Control

Sound Storm Laboratories CG1202 Charge Series 2 Channel Car Audio Amplifier - 1200 High Output, 2-8 Ohms, High/Low Level Inputs, High/Low Pass Crossover, Bridgeable, Hook Up to Subwoofer for Bass

Sound Storm Laboratories EV4.1600 Evolution Series 4 Channel Class A/B Car Audio Amplifier - 1600 High Output, 2-8 Ohms, High/Low Level Inputs, High/Low Pass Crossover, Hook Up to Subwoofer for Bass

Sound Storm Laboratories EVO3000.1 Evolution Series Class D Monoblock Car Audio Amplifier - 3000 High Output, 1 Ohm Stable, Low Level Inputs, Low Pass Crossover, MOSFET, Hook Up to Subwoofer for Bass