MTX Thunder TA5302 - Amplifier - 150WATTS X 2-channel Thunder 2-channel high-performance car amplifier featuring patented class A/B output 75 watts RMS x 2 at 4 ohms (150 watts x 2 at 2 ohms) 300 watts RMS x 1 bridged output at 4 ohms Xtant Technology Cooling (XTC) - Thermal-regulated turbo-charged fan intercooler PrizmEFX accent lighting effects - Customizable to match your vehicle's interior