The Kicker 46CXA3604 4-Channel Full-Range Amplifier with Variable Crossovers is engineered for audiophiles seeking a robust and versatile audio experience. This amplifier boasts an optimized circuit layout paired with high-grade internal components, allowing it to reach impressive power levels. Designed with efficiency in mind, the Kicker CX-Series amps are equipped with advanced heat sinks to maintain a cool operating temperature, ensuring longevity and performance. The Class A/B power design features a variable bass boost with KickEQ„, delivering up to 6dB of extra sound enhancement. Additionally, a powerful 12dB crossover is included to help you fine-tune your audio system, making it a must-have for any car audio enthusiast. Experience unparalleled sound quality and customization with the Kicker 46CXA3604. Product Highlights High-efficiency Class A/B power design for optimal sound quality Variable bass boost with KickEQ„ for customizable bass enhancement Robust 12dB crossover to quickly tune your audio system Optimized circuit layout for massive power output Advanced heat sink technology for efficient cooling