If you are wanting a modern entertainment setup for your vehicle, the Smart 4-Channel Subwoofer Amplifier Bass Revealer and Processor from KICKER will give you the best sound possible. This subwoofer amplifier and audio processor features AI-driven digital signal processing. The system uses a powerful internal computer to deliver dramatic sound improvements. A massive 40-band equalizer improves tonality, and a 24dB crossover re-defines the capabilities of each speaker. In a matter of moments, you get a clean, even bass response from your amp. If the temperature reaches the threshold, the systems dynamic power-management algorithms kick into gear and lets it cool down. Craft your ideal sound with ease. In addition to unbelievable sound quality, the KEY200.4 delivers 200 Watts of power to your factory speakers. By only measuring 8 inches long and less than 2 inches high, the KEY200.4 can fit nearly anywhere. Ideal mounting locations include behind your glove box, under the seat, or in your trunk. The KEY200.4 is fully compatible with newer vehicles using start-stop systems. Time to add a modern entertainment setup to your vehicle with the KICKER Smart Amplifier Bass Revealer and Processor.