PRV Audio MDX1200.4 2 Ohm MINI 4 Channel Car Audio Amplifier 4 x 300 Watts RMS at 2 Ohm – Ultra Compact Stereo Amp The mini MDX1200.4 2 Ohm delivers 1200 Watts RMS power over 4 channels in a compact, modern amplifier. Designed for high performance systems that require high power output but have very little space to spare, the MDX Series features exclusive and patented technologies that ensure a high definition sound quality in the most compact and reliable design. Engineered to be the most efficient amplifier able to deliver impressive power output while minimizing the strain on your electrical system. This means you can enjoy the benefits of high power performance without draining your battery quickly. A small footprint mini heavy duty heatsink make this micro amplifier easy to install anywhere in vehicles, motorcycles, 4-wheelers: Overall 6.75″ Width by 5.90″ Length and only 2.60″ Height. 4 x 300 watts at 2 Ohm TRUE RMS certified at full range output Digital Class D Brazilian Technology, gives you the benefit of wiring multiple speakers and dividing the power per channel. 2 Channel Bridged – Double the power output to your speakers by bridging two channels. 2x 600 Watts RMS at a minimum impedance of 4 Ohms per bridged channel The latest technology on surface mount components ensures best performance against vibration and superior sound quality, allowing enthusiasts and competitors to build the system of their dreams. Its high power output with its multichannel technology eliminates the need for multiple amplifiers, when you can use this amplifier in 4, 3 or 2 channel configurations. The MDX Series is ideal for motorsport applications such as custom motorcycles, ATVs and Slingshots! 300 Watts at 2 Ohm per Channel600 Watts at 4 Ohm per Bridged Channel Impedance 2 Ohm per Channel Channels 4 Channel Rated RMS Power at 14.0 V at 2 Ohm 4x 300 Watts RMS Rated RMS Power at 14.0 V at 4 Ohm 4x 200 Watts RMS Bridged Rated RMS Power at 14.0 V at 2 Ohm 2x 600 Watts RMS Average Efficiency 82% Operating Voltage 8 to 16 Volts Musical Current Draw 60 A Minimal Power Wire Input (OFC) 4 Gauge wires Built-in Crossover Fixed HPF & LPF at 80 Hz Minimal Speaker Wire Output 12 Gauge Frequency Response(-3dB) 10 – 20,000 Hz Min. Input Sensitivity for Max. Output 0.2 to 4v Signal Input RCA Cables Signal to Noise >90 dB Protection System High Temperature / Short circuit on Output Heat Sink Type Mini Heavy Duty Cast Aluminum Dimensions ( Width x Depth x Height ) 6.75″ x 5.90″ x 2.60″ Weight 2.75 Lbs