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Round - Ported / Vented - 100 Watts - Marine Subwoofers

Marine subwoofers give you thunderous bass on your boat. You can experience life like powerful sound with a marine subwoofer. All of our marine subwoofers are designed to for the harsh marine environment.

Marine subwoofers are durable weather resistant loudspeakers designed to produce deep sounds as well as withstand harsh outdoor conditions such as rain and heat.

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  1. Rockford Fosgate RM18D4 8" Marine Subwoofer - Main
    Rockford Fosgate RM18D4 8" Marine Subwoofer - White
    $139.99
    • 8” White marine subwoofer
    • Dual 4-ohm voice coil
    • True Marine Grade compliance
    • Designed for sealed, vented or infinite baffle installations
    • High temperature Kapton former with polyimide insulated copper wire
    • UV and salt fog resistant Santoprene surround
    • Ultra-flexible fully insulated silicone lead wire
    • Moisture, tear and fatigue resistant aramid fiber spider
    • White removable trim ring/grille
    Learn More
  2. Rockford Fosgate RM18D4B 8" Marine Subwoofer - Main
    Rockford Fosgate RM18D4B 8" Marine Subwoofer - Black
    $139.99
    • 8” Black marine subwoofer
    • Dual 4-ohm voice coil
    • True Marine Grade compliance
    • Designed for sealed, vented or infinite baffle installations
    • High temperature Kapton former with polyimide insulated copper wire
    • UV and salt fog resistant Santoprene surround
    • Ultra-flexible fully insulated silicone lead wire
    • Moisture, tear and fatigue resistant aramid fiber spider
    • Black removable trim ring/grille
    Learn More
  3. Rockford Fosgate RM18D2B 8" Marine Subwoofer - Main
    Rockford Fosgate RM18D2B 8" Marine Subwoofer - Black
    $139.99
    • 8” Black marine subwoofer
    • Dual 2-ohm voice coil
    • True Marine Grade compliance
    • Designed for sealed, vented or infinite baffle installations
    • High temperature Kapton former with polyimide insulated copper wire
    • UV and salt fog resistant Santoprene surround
    • Ultra-flexible fully insulated silicone lead wire
    • Moisture, tear and fatigue resistant aramid fiber spider
    • Black removable trim ring/grille
    Learn More
  4. Rockford Fosgate RM18D2 8" Marine Subwoofer - Main
    Rockford Fosgate RM18D2 8" Marine Subwoofer - White
    $139.99
    • 8” White marine subwoofer
    • Dual 2-ohm voice coil
    • True Marine Grade compliance
    • Designed for sealed, vented or infinite baffle installations
    • High temperature Kapton former with polyimide insulated copper wire
    • UV and salt fog resistant Santoprene surround
    • Ultra-flexible fully insulated silicone lead wire
    • Moisture, tear and fatigue resistant aramid fiber spider
    • White removable trim ring/grille
    Learn More
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