Lanzar MAXP2055D 5000 Watts Monoblck Class D Amplifier (Discontinued by Manufacturer) 1 x 1000 Watts RMS at 4 Ohms - 1 x 2000 Watts Max at 2 Ohms - 1 x 4000 Watts Max at 1 Ohms Bass Boost Circuit - Variable Phase Shift Control - Variable Subsonic Filter - Variable Low Pass Crossover 2 Ohms Stereo Stable - Anti-Thump Turn-On - Tri-Mode Configurable - Soft Turn On/Off - RCA Line Input and Output - White Light Illuminated Crossover Control Power Protection LED Indicators - Advanced Protection Circuitry - Bass Boost Remote Control T.H.D: 95dB - Frequency Response: 15Hz- 150Hz - Dimensions: 10.47''W x 2.46''H x 16.34''L