Kicker 43DXA5001 Car Audio Sub Amp DXA500.1 w/ Bass Remote & CK4 Amplifier Kit Kicker 43DXA5001 Car Audio Sub Amp DXA500.1 with Remote & 4 GA Amplifier Accessory Kit - 3 Year Warranty! 1 x Kicker DXA500.1 Car Audio DX Series Class D Amplifier 1000W Peak 43DXA5001 Amp.