Turn up the volume with this KICKER CX-Series mono amplifier. A variable 12dB crossover makes it easy to optimize audio levels, while the 24dB subsonic filter protects listeners from damaging frequencies. The compact design of this KICKER CX-Series mono amplifier offers flexible placement, and the FIT+ technology provides compatibility with most radios. | Kicker | | CX 1800W Class D Digital Mono Amplifier with Variable Low-Pass Crossover | Black | Best Buy