Sundown Audio SALT-2 Series Monoblock 2000W RMS Car Amplifier Product Specifications: SALT-2 2000D Monoblock 2000W RMS Amplifier Titanium Finish Power Handling: (Tested @ 14.4v) RMS Power - 1 ohm Mono: 2000W RMS Power - 2 ohm Mono: 1000W RMS Power - 4 ohm Mono: 500W Digital Class-D Linkable Mono Block Amplifier Dual MOS-FET PWM Power Supply 1 Ohm Stable Load 24 dB/Octave – Variable Low Pass Filter 24 dB/Octave – Variable Subsonic Filter 9 dB/Octave – Variable Bass Boost 180° Variable Phase Shift 4 Way Protection Ciruit (Thermal, Voltage, Speaker Short, DC Offset) Wired Remote Control with Voltage & Temperature Display and Clipping Indicator Dimensions: 17.5inch x 8.75inch x 2.75inch SPECIFICATIONS (Tested @ 14.4v): Recommended Fuse Rating: 120A Low Pass Filter (Variable): 35Hz - 250Hz Subsonic Filter (Variable): 10Hz - 50Hz Bass Boost @ 45Hz: 0 - 9dB Phase Shift Control: 0 - 180 Degrees Input Sensitivity (+/- 5Percent): 6v - 0.2v Frequency Response (+/- 1dB): 10Hz - 250Hz S/N Ratio: 90dB Working Voltage: 9v - 15.5v T.H.D @ 4 Ohms: Efficiency @ 4 Ohms: 90Percent