Pyramid PB449X 1000 Watt 2 Channel Amplifier Two Channel Bridgable Amplification 2x500 Watts/1x1000 Watts Output Bridged Variable Gain Control/Remote Turn On/Off MOSEFT Pulse Modulation Power Supply 2 Ohm Stereo Stable Built-in Bass and Treble Control Gold Plated RCA Low Level Inputs Hi-Level Low Impedance MOLEX Input Speaker Output Barrier Strip S/N Retio: Greater Than 90dB THD Less Than 0.04% Frequency Response: 15-30k Hz Overload/Thermal/Short Circuit Protection Power On LED Indicator LED Diagnostic Condition Indicator Automotive Type Fuse Protection Dimensions: 15.25€W x 2.24€H x 10 2/3€D