Soundstream RUB5.800 5-Channel Amplifier (Black) Soundstream Rubicon Series 5-Channel Class A/B Car Amplifier RMS Power Rating: 4 ohms: 70 watts x 4 chan. + 200 watts x 1 chan. 2 ohms: 115 watts x 4 chan. + 340 watts x 1 chan. Bridged 4 ohms: 230 watts x 2 chan. MOSFET power supply Platinum 4 AWG power block LED protection indicator will be illuminated when the amp has gone into a self preservation mode IDI intelligent distress indicator for thermal short & impedance protection