CLASS D AMPLIFIER - Class D topology ensures high efficiency with big power and a small footprint. This mono amplifier was built for driving subwoofers and subwoofer systems, maintaining the highest sound quality sound for your car audio. BUILT FOR POWERFUL SOUND - Minimize heat generation with the PWM MOSFET power supply providing stability through the PC board. Old school Hifonics aluminum heat sink maintains superior heat dissipation to keep your car audio sounding smooth. CONTROL YOUR AUDIO - Control of amplifier output with onboard electronic crossover to tailor specific frequencies to speakers and subs. LED system protection allows you to monitor overload and speaker shortages with illuminated indicators. MADE TO LAST - Low noise preamplifier generates maximum low voltage signal from source unit, minimizing distortion. High temperature impact resistant inputs with hex screw terminals allow secure connections and are erosion resistant. HIGH QUALITY CONNECTIONS - Secure molded connection terminal for all power, ground and speaker connections. Angled for ease of access while creating a clean wire management profile, to keep your vehicle looking clean while delivering optimal power.