Soundstream STL2.560 2-Channel A/B Amplifier (Black) RMS Power Rating: 4 ohms: 150 watts x 2 chan., 2 ohms: 280 watts x 2 chan., Bridged, 4 ohms: 560 watts x 1 chan Full MOSFET Power Supply Double side PCB and SMD components LED power (green) and protect (red) indicators Black anodized finish w/ chrome accents