The M1D4-12 is one of the better premium marine subwoofers available if you want a balance of output, durability, and RGB styling. It’s especially strong in boats and powersports builds where exposure to water, mud, and sunlight would quickly destroy traditional car-audio subwoofers.

The Rockford Fosgate M1D2-12B is the dual 2-ohm version of Rockford’s premium 12-inch Color Optix marine subwoofer lineup. Compared to the M1D4-12B, the biggest difference is the voice coil configuration, which allows easier wiring for high-power 1-ohm amplifier systems commonly used in boats, Jeeps, UTVs, and powersports builds.

Key Features

  • 12-inch marine/powersports subwoofer
  • Dual 2Ω voice coils
  • Color Optix RGB LED lighting
  • IP67-certified Element Ready™ design
  • UV-stable polypropylene cone
  • Santoprene surround
  • Marine-grade terminals
  • VAST surround technology
  • Integrated Deutsch-style connectors
  • Removable black grille included

Performance Specifications

  • RMS Power:
    • 300W RMS
  • Peak Power:
    • 1200W peak
  • Sensitivity:
    • 92 dB
  • Frequency Response:
    • 20Hz–750Hz
  • Voice Coil Configuration:
    • Dual 2Ω
  • Recommended Enclosure:
    • Infinite baffle or sealed applications

Works Great With

    Complementary products