Hifonics ZRX1216.1D 1200W Mono Amp Class D Amplifier + Wiring Kit + Capacitor New Hifonics ZRX1216.1D 1200 Watt Mono D Car Amplifier (ZRX12161D) RMS Power Rating: 400 Watt x 1 Channel @ 4 Ohm 600 Watt x 1 Channel @ 2 Ohm 1200 Watt x 1 Channel @ 1 Ohm