Excellent for OEM systems upgrade, the Hertz DPower1 mono car audio amplifiers is an ultra-compact to ensure effortless installations in the increasingly narrow spaces of modern vehicles or in the factory amp area. The efficient D Class circuit delivers 600 W of maximum power within a compact chassis, an essential requirement for in-car integration. The bass boost function enhances 45 Hz up to 12 dB to increase subwoofer punch. The double SPEAKER & RCA INPUTS allows the DPower1 to connect to any type of source, be it OEM or aftermarket. For an excellent integration with OEM systems DPower1 is equipped with a smart automated turn on and off circuit according to the factory radio.