Pyramid PB1217X arctic 2 ch 1600 watts Amplifier Two Channel Bridgeable Amplification Tri-way Configuration: 1/ 2 Channels 2x 75 Watts Total Output @ 4 Ohms 1600 Watts Total System Output 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 RCA Low Level Inputs Speaker Output Terminal Strip Signal/Noise Ratio: 90dB THD Less Than 0.04% Frequency Response: 15-30kHz Overload Protection Thermal Protection Short Circuit Protection Power On LED Indicator LED Diagnostic Condition Indicator Automotive Type Fuse Protection Dimensions: 12.59'' L 10.03'' W 1.96'' H