VM Audio SRA1800.2 1800W 2 Channel Car Amplifier Power Amp + 4.5 Farad Capacitor 300 Watt x 2 Channel @ 4 Ohm 900 Watt x 2 Channel @ 2 Ohm 1800 Watt x 1 Channel @ 4 Ohm Bridged 1800 Watt Max 2/1 Channel Power Amplifier 1800 Watt 2 Channel Car Amplifier Power Amp MOSFET Stereo Dynamode DC Conversion A/D Topology V-MOSFET Engine 5th Element Protection Feature Type: Mosfet Channels: 2 Total Power 1800 watts RMS Power at 4 Ohm: 300 watt x2 Peak Power at 2 Ohm: 900 watt x2 Peak Power at 4 Ohm Bridged: 1800 watt x1 Minimum Impedance Unbridged: 2 Minimum Impedance Bridged: 4 Frequency Response: 20 Hz-20 kHz Single to Noise Ratio: 105 dB