Rockville dB55 is a powerful and versatile Class AB amplifier, designed to deliver exceptional audio quality for your car audio system. With its advanced features and flexible connectivity options, the dB55 is perfect for powering a variety of speaker setups, from subwoofers to component speakers. Experience thunderous bass with the built-in fully adjustable 12dB per octave low-pass crossover, ensuring precise control over your low-end frequencies. For a more customized sound, utilize the variable high-pass crossover to fine-tune the output for your midrange and high-frequency speakers.