DS18 HYDRO NXL-X600.4D 4-Channel Marine Waterproof Amplifier Class D Full-Range 4 x 150 Watts RMS @ 4 Ohm 1600 Watts Peak The DS18 NXL Series was developed for people who want a very a small audio footprint that is capable of putting out lots of power and sound in a small and waterproof package. The NXL Series of amps are one of our most efficient lines with great power output all while withstanding the elements. These amps come in 1 channel, 4 channel, and 5 channel to help you power a wide array of speaker setups

DS18 HYDRO MP4 4″ 2-Way Marine Speakers 150 Watts (Pair) DS18’s reputation and products continue to dominate the marine and off-road scene with our innovative brand of marine speaker, the MP series. The MP line of marine speakers is a true sight to see! They come in 2-way configurations and carry an IPX5 waterproof rating, so you know they are durable for the elements. These speakers produce a very full and rich sound that is very hard to replicate in open air environments like out on the water, but DS18 does it flawlessly