Class Ab Circuitry Audiophile Grade Components High-efficiency Mosfet Design Fully Variable Front & Rear High Pass/low Pass Crossover Convenient 1-side Connections Forced Fan Cooling Electronic Dc-offset & Thermal Protection Bridgeable Includes Bass Remote 2 X 180w @ 4_ 2 X 360w @ 2_ Upc : 839859009984 Shipping Dimensions : 18.30in X 9.40in X 3.50in Estimated Shipping Weight : 7.9