Power Acoustik MA4 3000D Razor Marine Series Class D Amp 4 Channels， 3，000 Watts Max<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Military-grade SMT PCB maintains dynamic performance</li><li>Compact 4.75" chassis design for installation versatility</li><li>Splash-resistant conformal-coated circuit boards</li><li>MOSFET power supply with audiophile-grade IRTM transistors</li></ul></div><img src="http://ecx.images-amazon.com/images/I/410LDXqfV8L.jpg" noproxy>