SCV-3000D - Sundown Audio Monoblock 3000W RMS Amplifier RMS Power - 1 ohm Mono: 3000W RMS Power - 2 ohm Mono: 1500W RMS Power - 4 ohm Mono: 750W Input Sensitivity ( =/- 5% ): 6 - 0.2 Volts Product Dimensions: 18.89" L x 8.25" W x 2.32" H