American Bass VFL Comp 3K Class D 2900W SPL Mono Amplifier 1 ohm stable D class monoblock amplifier; 2900 watt mono block true rms power. Low level input and output; Frequency response 20Hz to 350Hz. Variable subsonic filter, variable low pass filter, variable bass boost, remote bass boost. 200A, linked fuse rate of 400A; 0 gage power terminals. Low pass filter; built-in low pass crossover; remote gain controller.