Specialized ATV, LLC » Apparel Apparel Shop Apparel Shop Browse through our selection of Apparel for your every need. +3 DS18 HYDRO NXL-F4 NXL-F4 $439.95 In stock Quantity: 1 Add to Bag Product Details Flush Mount Class D Full-Range Marine 4-Channel Marine & Powersports Amplifier with Voltmeter 1200 Watts Save this product for later Favorite