Power Acoustik RZ4-2000D 2000W 4-Channel RAZOR Series Full Range Class D Car Amplifier Features: Small Compact 4.75 Wide Chassis 4-ohm Bridged/2-ohm Stereo Class D Full Range 2-Ohm Stable Class D Monoblocks MOSFET PWM Power Supply 80Hz 12dB HP or LP Crossover 200mv-6V Low Level Input Sensitivity High Level Input Dash Mount Remote Gain Control Included Series: RAZOR Series Type: Amplifiers RMS Power: 4 ohms: 160 watts x 4 chan 2 ohms: 250 watts x 4 chan Bridged, 4 ohms: 500 x 2 chan Dimensions: 4.75 x 1.63 x 11.13