Specialized ATV, LLC » Polaris Your Destination for Quality Polaris Parts Shop Parts Shop Browse through our selection of Polaris Parts for your every need. DS18 HYDRO NXL-X600.4DStore/DS18 Audio/Amplifiers$499.95In stock Add More Add to BagGo to CheckoutProduct Details4-Channel Marine Waterproof Amplifier Class D Full-Range 4 x 150 Watts RMS @ 4 Ohm 1600 Watts PeakShow MoreSave this product for later Favorite Favorited View FavoritesShare this product with your friendsShareSharePin itDS18 HYDRO NXL-X600.4DStore/DS18 Audio/AmplifiersYou May Also LikeDS18 HYDRO BEST MARINE PACKAGEDS18 HYDRO BEST MARINE PACKAGE$2,024.75DS18 HYDRO EN-JS6DS18 HYDRO EN-JS6$164.95DS18 HYDRO MOFC0GA25PDS18 HYDRO MOFC0GA25P$254.95DS18 HYDRO CS-12DS18 HYDRO CS-12$37.95DS18 HYDRO NXL-PS8DS18 HYDRO NXL-PS8$499.95