Clarion XC2110 400w Peak Ultra Compact Monoblock XC Series Micro Class D Marine Amplifier Class-d full range 2-ohm stable 1-channel amplifier Rms Power rating: 4 ohms: 200 Watts x 1 chan. / 2 ohms: 300 Watts x 1 chan. Total Power output: 400 Watts Pulse width modulated mosfet Power supply Led Power (green) and protect (red) indicators