The Wet Sounds HTX-2 2-Channel Marine Amplifier is a complete solution for every type of extreme marine application. The HTX-2 amplifier uses superior performance circuitry by utilizing class-D power supplies. This 2-channel amplifier has extreme power output packed inside a small chassis, thermal overload protection, flexible crossovers, and extended inputs. HTX amplifiers are a well-balanced match for all Wet Sounds products. Plus, it's engineered to stand up to a demanding marine environment full of water, waves, vibrations, and sun. Completely sealed and saltwater compliant. RMS power at 4 O stereo: 150W x 2 at < 1.0% THD. RMS power at 2 O stereo: 300W x 2 RMS at < 1.0% THD. RMS power at 4 O mono: 600W x 1 at < 1.0% THD. Mfrs. 2-year limited warranty. Optimized performance circuitry with class-D power supplies Extreme power output packed inside a small chassis Thermal overload protection Flexible crossovers and extended inputs High-mass heat sink Smart microprocessor for excellent electronic performance Supports Wet Sounds' extensive CrossOver network