SCV-2000D - Sundown Audio Monoblock 2000W RMS Amplifier RMS Power - 1 ohm Mono: 2000W RMS Power - 2 ohm Mono: 1000W RMS Power - 4 ohm Mono: 500W Input Sensitivity ( =/- 5% ): 6 - 0.2 Volts Dimensions: 16.53" L x 8.25" W x 2.32" H