Clif Designs CD5.2LX 1200 Watt 2 Channel Amplifier 1200 Watt 2 Channel Amplifier 2 x 200 Watts RMS @ 4ohms 2 x 250 Watts RMS @ 2ohms 2 x 300 Watts RMS @ 1ohm 1 x 1200 Watts MAX @ 2ohms 2 Ohm Mono Stable Double-sided Military Grade PCB Board Regulated Power Supply Soft Start Circuitry Full MOSFET Circuitry 4-Way Short Circuit Protection Variable Frequency LPF 40Hz-120Hz Variable Frequency HPF 120Hz-800Hz Variable Bass Boost 0dB to 18dB Frequency Response: +/- 1dB 10Hz-40kHz 0.02% T.H.D. S/N Radio > 100dB Channel Separation 70dB Silver Plated RCA Input/Output Connectors Damping Factor 200 4 Gauge Silver Power Connectors Dimensions: (LWH) 15.7" x 10" x 2.1"