Rockford Fosgate RM18D4
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Item# 41927 / Condition:  Brand New  Clearance  Review this product

Rockford Fosgate RM18D4

Prime Series 8" 300 Watts Dual 4-Ohm Marine Subwoofer - White

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Save 4% | Reg. Price $135.99

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A classic white marine speaker gives a classy look for your boat or any watercraft or powersport vehicle. It's design with eather proofing so you won't have to worry harsh and wet environment while playing your favorite music. It's powered with 300 watts acocompanied by a 4 ohm dual voice coil. Perfect for your marine upgrade.

Rockford Fosgate is considered the best in car audio in terms of quality, sound and affordability. has been a long time authorized retailer of Rockford Fosgate products. We always give the best prices among our competitors and shipping will always be on time. You can be sure that what you order are original Rockford Fosgate products straight from the the warehouse.

The RM18D4 is a White 8" Prime R1 subwoofer designed for marine watercraft or powersports applications. It features color matched grille and is UV and moisture resistant. Can be used in sealed, vented or infinite baffle installations.

  • True Marine Grade compliance
  • 100% UV stable ASA injection molded plastic parts
  • Injection molded mineral filled polypropylene cone body with UV inhibitors
  • UV and salt fog resistant Santoprene surround
  • Ultra-flexible fully insulated silicone lead wire
  • Proprietary corrossion resistant spring loaded push terminals
  • Moisture, tear and fatigue resistant Aramid fiber spider
  • Removable trim ring/grille
  • Available in black or white
  • Power Handling (Watts RMS): 150 Watts RMS / 300 Watts Max
  • Nominal Impedance: Dual 4 ohm
  • Voice Coil Diameter: 1.5" aluminum
  • Speaker Connector: Dual 12 AWG compression
  • SPL (dB @ 1w/1m): 85
  • Subwoofers are usually sold as a single unit unless otherwise noted.
  • UPC: 780687345396
  • Weight: 8
  • Authorized Internet Dealer
*Warranty: 1 Year Manufacturer warranty.
This item is accompanied by a manufacturer's warranty. If it is found to be defective, it may be returned to for replacement within 1 year from the original date of purchase with proper return authorization.