Crunch 1-ohm Stable Class D Monoblock - PDX-2000.1D 2000W Max PDX Series 1-ohm Stable Class D Monoblock Car Amplifier with Wired Remote Bass Level Control Power One Series Monoblock Class A/B Car Amplifier 2000W Max 1000W x 1-Chan @ 1 Ohm SEPP Analog Amplifier Remote Bass Level Control