Continue shopping “Pyle PLMRA200 2 Channel 400 Watt Waterproof Marine Amplifier” has been added to your cart. 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 Polk Audio PAD4000.4 4 Channel 1600 Watt (800 Watts RMS) Marine Amplifier $374.95 Add to cart