Keep the party boat rockin' with the DS18 NXL 4-Channel IPX5 Marine Amplifier. It's a must-have for the boat, but it's also a great addition for your vehicle, ATV, or other powersports audio system. 4-channel configuration provides versatility for practically any speaker setup, while full-range capability can be run on subs, mids, or tweeters. Built with a stable and reliable 4-layer PCB layout, the NXL ensures consistent performance even in challenging conditions. It delivers clean, well-defined sound with enough features, like Fully Variable Bass Boost, Low Pass Filter, and High Pass Filter, to tune your music for optimal audio enjoyment. This 1,800W marine amplifier handles 150W x 4CH at 4 Ohms, 230W x 4CH at 2 Ohms, and 440W x 2CH at 4 Ohms. Corrosion-resistant, and UV-protected hardware plus IPX5 water-resistant construction withstand harsh environments. Class D circuit design with short circuit, thermal, and voltage protection. Compact design with direct insert speaker and power terminals for easy installation. LED clip indicator for easy adjustments. Great for boat, vehicle, ATV, and other powersports audio systems 4-channel configuration Full-range capability can be run on subs, mids, or tweeters Stable and reliable 4-layer PCB layout Clean, well-defined sound Fully Variable Bass Boost, Low Pass Filter, and High Pass Filter features 1,800W max power 150W x 4CH at 4 Ohms, 230W x 4CH at 2 Ohms, and 440W x 2CH at 4 Ohms Corrosion-resistant, and UV-protected hardware IPX5 water-resistant construction Class D circuit design with short circuit, thermal, and voltage protection Compact design with direct insert speaker and power terminals LED clip indicator for easy adjustments