Sort by popularity Sort by average rating Sort by latest Sort by price: low to high Sort by price: high to low View: 16 32 All DS18 NVY-IPX7.4 4 Channel 1440 Watt Waterproof Marine Amplifier $499.95 Add to cart DS18 NXL-X850.4D 4 Channel 2400 Watt Waterproof Marine Amplifier $549.95 Add to cart DS18 NXL-X600.4D 4 Channel 1600 Watt Waterproof Marine Amplifier $499.95 Add to cart