The Pyle Elite Series 4-Channel Marine Amplifier delivers 400 watts of waterproof power, ideal for boats, poolsides, and outdoor environments. With dual Mosfet power supplies, this amplifier offers high efficiency and reliable performance, rain or shine. Built with marine-grade waterproof construction, it is designed to withstand harsh conditions. The amp features gold-plated speaker terminals, adjustable input gain controls, and built-in protection circuitry against thermal, overload, and speaker shorts. Heavy-duty aluminum heat sinks ensure efficient cooling, while the remote turn-on/off feature provides added convenience.