Power Acoustik Marine 4 Ch. Class D Amp 3000 Watts White MA4-3000D. 4V: 2 x 750 RMS Power 2O 14.4V: 4 x 375 RMS Power 4O 14.4V : 4 x 285 Dimensions : 4.75inw x 1.625inh X 12.25in L Compact 4.75in Chassis Design for Installation Versatility Splash...