Nakamichi NKSD800.1 is a Class-D Mono Block Power Amplifier designed to provide high-quality audio output for your car audio system. With its impressive power capabilities, it can deliver 400W RMS at 4 Ohms, 600W RMS at 2 Ohms, and 800W RMS at 1 Ohm, making it suitable for driving subwoofers or other demanding audio components. It features a wide frequency response of 20Hz - 20kHz, ensuring accurate reproduction of both deep bass and high frequencies. The amplifier boasts a high Signal-to-Noise Ratio of >90dB, minimizing unwanted noise and providing a clear and detailed sound.