Precision Power i350.2 PPI iON Series 350 Watts Class D 2-Channel Amplifier RMS Power Rating: 4 ohms: 115 watts x 2 chan./2 ohms: 175 watts x 2 chan./Bridged, 4 ohms: 350 watts x 1 chan. Pulse Width Modulated MOSFET power supply LED power (green) and protect (red) indicators 3-way protection circuitry (thermal, overload, and speaker short protection) Wired remote bass level control included