View cart “Fusion MS-AM504 4 Channel 500 Watt (400 Watts RMS) 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 Kenwood KAC-M3004 4 Channel 600 Watt (300 Watt RMS) Class D Marine Amplifier $219.00 Rated 5.00 out of 5Add to cart Jensen Power 760 4 Channel 760 Watt Marine Amplifier $139.99 Add to cart Kenwood KAC-M1814 400W 4 Channel Compact Class D Marine Amplifier $169.00 Add to cart Fusion SG-DA51600 5 Channel 1600 Watt Marine Amplifier $649.99 Add to cart Fusion MS-AM504 4 Channel 500 Watt (400 Watts RMS) Marine Amplifier $288.95 Add to cart Kenwood KAC-M5014 4 Channel 600 Watt (300 Watts RMS) Digital Waterproof Marine Amplifier $249.95 Add to cart Pyle PLMRA620 6 Channel 2000 Watt Marine Amplifier $195.95 Add to cart Fusion SG-DA41400 4 Channel Signature Series 1400 Watt Marine Amplifier $449.99 Rated 4.00 out of 5Add to cart Sale! Poly-Planar ME-60 4 Channel 280 Watts Waterproof Marine Amplifier $179.95 Original price was: $179.95.$59.95Current price is: $59.95. Rated 5.00 out of 5Add to cart Hifonics TPSA6005 Digital 5 Channel Waterproof Powersport/Marine Amplifier $148.95 Rated 5.00 out of 5Add to cart Hifonics TPSA3504 Digital 4 Channel Waterproof Powersport/Marine Amplifier $100.95 Rated 5.00 out of 5Add to cart Fusion SG-DA61500 Signature Series 1500 Watt 6 Channel Marine Amplifier $649.99 Add to cart Power Acoustik MA43000D 4 Channel 3000 Watt Class D Marine Amplifier $174.99 Add to cart Power Acoustik MA52500D 5 Channel Class D 2500 Watt Marine Amplifier $179.99 Add to cart Pyle PLMRMP1A 2 Channel 400 Watt Waterproof Marine Amplifier $46.95 Rated 4.00 out of 5Add to cart Sale! Poly-Planar ME6005D 5-Channel 1200 Watts Max Power (600 Watts RMS power) Waterproof Marine Amplifier $399.95 Original price was: $399.95.$318.95Current price is: $318.95. Add to cart 1 2 3