Tarantula Series 5-Channel Class A/B Car Amplifier RMS Power Rating: 4 ohms: 75 watts x 4 channel / 2 ohms: 125 watts x 4 channel / Bridged: 4 ohms: 250 watts x 2 channels Max power output: 2,500 watts Pulse Width Modulated MOSFET power supply w/ Audiophile Grade IRTM Transistors LED power (green) and protect (red) indicators