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  • Products
    • Stereos
      • AM/FM Radio Receivers
      • Black Box Style
      • Bluetooth Enabled
      • Bluetooth Only Streamers
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      • Gauge Size
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      • NOAA Weather Band
      • Satellite Radio Ready
      • Touch Screen
      • USB Port
      • Waterproof
      • Weather Resistant
      • WiFi
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      • 2 Inch Round
      • 3 Inch Round
      • 4 Inch Round
      • 5 Inch Round
      • 5.25 Inch Round
      • 6 Inch Round
      • 6.5 Inch Round
      • 7 Inch Round
      • 8 Inch Round
      • 9 Inch Round
      • Bluetooth
      • Box
      • Hot Tub
      • LED Lit
      • Oval 4×6
      • Oval 5×7
      • Oval 6×9
      • Panel
      • Pop-up
      • Shallow Mount
      • Soundbars
      • Subwoofers
      • Transducers
      • Tweeters
      • Wake Tower
      • Waterproof
    • Systems
      • 2 Speaker
      • 4 Speaker
      • AM/FM Radio Receivers
      • Amp Kits
      • ATV Pipes
      • Bluetooth
      • CD Player
      • Gauge Size
      • iPhone Control
      • LED Lit
      • Motorcycle Systems
      • NOAA Weatherband
      • Portable
      • Satellite Radio Ready
      • Subwoofer
      • Transducers
      • USB Port
      • Waterproof
      • Weather Resistant
    • Amplifiers
      • 1 Channel
      • 2 Channel
      • 4 Channel
      • 5 Channel
      • 6 Channel
      • 8 Channel
      • Analog
      • Digital
      • Waterproof
      • Weather Resistant
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      • AM/FM Antennas
      • Amp Install Kits
      • Audio/USB Extensions
      • Bluetooth Accessories
      • LED Lighting Accessories
      • Power Supplies
      • RCA Cables
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      • Speaker Enclosures
      • Speaker Spacers
      • Speaker Wire
      • Televisions
      • TV Mounts
      • Stereo Covers And Enclosures
      • USB Chargers
      • Remote Controls
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4 Channel Marine Amplifiers

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  3. Marine Amplifiers>
  4. 4 Channel Marine Amplifiers
  • View:
  • 16
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  • Polk Audio PAD4000.4 4 Channel 1600 Watt (800 Watts RMS) Marine Amplifier
    • Sale!
      Polk Audio PAD4000.4 4 Channel 1600 Watt (800 Watts RMS) Marine Amplifier
    • Polk Audio PAD4000.4 4 Channel 1600 Watt (800 Watts RMS) Marine Amplifier

    • $491.99 Original price was: $491.99.$362.95Current price is: $362.95.
    • Add to cart
  • Boss Audio Elite 380W 4 Channel Class D Waterproof Marine Amplifier
    • Boss Audio Elite 380W 4 Channel Class D Waterproof Marine Amplifier
    • Boss Audio Elite 380W 4 Channel Class D Waterproof Marine Amplifier

    • $329.99
    • Add to cart
  • DS18 MP.4A Compact 480 Watt (Max) 4 Channel Waterproof Marine Amplifier
    • Sale!
      DS18 MP.4A Compact 480 Watt (Max) 4 Channel Waterproof Marine Amplifier
    • DS18 MP.4A Compact 480 Watt (Max) 4 Channel Waterproof Marine Amplifier

    • $179.95 Original price was: $179.95.$106.95Current price is: $106.95.
    • Add to cart
  • Roswell R1 650.4 1200 Watt 4-Channel Marine Amplifier
    • Roswell R1 650.4 1200 Watt 4-Channel Marine Amplifier
    • Roswell R1 650.4 1200 Watt 4-Channel Marine Amplifier

    • $366.95
    • Add to cart
  • Fusion MS-AP41200 Apollo 4 Channel 1200 Watt Digital Marine Amplifier
    • Fusion MS-AP41200 Apollo 4 Channel 1200 Watt Digital Marine Amplifier
    • Fusion MS-AP41200 Apollo 4 Channel 1200 Watt Digital Marine Amplifier

    • $749.00
    • Add to cart
  • DS18 NXL-M4 4 Channel 1800 Watt Waterproof Marine Amplifier
    • DS18 NXL-M4 4 Channel 1800 Watt Waterproof Marine Amplifier
    • DS18 NXL-M4 4 Channel 1800 Watt Waterproof Marine Amplifier

    • $479.95
    • Add to cart
  • DS18 NVY-IPX7.4 4 Channel 1440 Watt Waterproof Marine Amplifier
    • DS18 NVY-IPX7.4 4 Channel 1440 Watt Waterproof Marine Amplifier
    • DS18 NVY-IPX7.4 4 Channel 1440 Watt Waterproof Marine Amplifier

    • $599.95
    • Add to cart
  • DS18 NXL-X600.4D 4 Channel 1600 Watt Waterproof Marine Amplifier
    • DS18 NXL-X600.4D 4 Channel 1600 Watt Waterproof Marine Amplifier
    • DS18 NXL-X600.4D 4 Channel 1600 Watt Waterproof Marine Amplifier

    • $599.95
    • Add to cart
  • DS18 NXLN4 Hydro Digital 720 Watt 4 Channel Waterproof Marine Amplifier
    • DS18 NXLN4 Hydro Digital 720 Watt 4 Channel Waterproof Marine Amplifier
    • DS18 NXLN4 Hydro Digital 720 Watt 4 Channel Waterproof Marine Amplifier

    • $335.95
    • Add to cart
  • Kenwood KAC-M5014 4 Channel 600 Watt (300 Watts RMS) Digital Waterproof Marine Amplifier
    • Kenwood KAC-M5014 4 Channel 600 Watt (300 Watts RMS) Digital Waterproof Marine Amplifier
    • Kenwood KAC-M5014 4 Channel 600 Watt (300 Watts RMS) Digital Waterproof Marine Amplifier

    • $249.95
    • Add to cart

Filter By Manufacturer

  • DS18 (4)
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How To Information

  • Video:  How to Wire Speakers to Your Marine Amplifier
    Video: How to Wire Speakers to Your Marine Amplifier
  • Video: How to Position Speakers on a Center Console Boat
    Video: How to Position Speakers on a Center Console Boat
  • How To Remove An Old Marine Stereo
    How To Remove An Old Marine Stereo
  • 3 Steps to Choose the Best Marine Speakers for Your Boat
    3 Steps to Choose the Best Marine Speakers for Your Boat
  • Video:  How to Aim and Position Speakers on Your Boat
    Video: How to Aim and Position Speakers on Your Boat

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