Hifonics ZRX1216.1D 1200 Watt RMS Mono Amp Class D Stereo Amplifier + Wiring Kit New Hifonics ZRX1216.1D 1200 Watt Mono D Car Amplifier 400 Watt x 1 Channel @ 4 Ohm 600 Watt x 1 Channel @ 2 Ohm 1200 Watt x 1 Channel @ 1 Ohm Simpatico coil design (SPC) Ultra-Fi Pulse Width Modulated MOSFET power supply