DESC: Two Channel Bridgeable Amplification 2x200 WattsTotal Output/1 x 400 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 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