Two Channel idgeable Amplification Tri-way Configuration:1/2 Channels 2 X600 Watts Total Output @ 4 Ohms 1200 Watts Total System Output @ 4 Ohms Variable Gain Control MOSFET Pulse Width Modulated Power Supply 2 Ohm Stereo Stable Built-In Variable Subwoofer Crossover High Level Low Impedance MOLEX Input Connector CA Low Level Inputs Speaker Output Terminal Strip Signal/Noise Ratio 90dB THD Less Than 0.04% Frequency Response:15Hz-30kHz Overload Protection Thermal Protection Short Circuit Protection Power On LED Indicator LED Diagnostic Condition Indicator Automotive Type Fuse Protection Dimensions: 7.87-Inch L 9.45-Inch W 2.09-Inch H