Rockford Fosgate® Prime Black 12" Dual 4-Ohm Subwoofer

The RM112D4B is a black 12” subwoofer designed with weatherproofing technology specific for use in marine watercraft or powersports applications. It features a color molded grille that is 100% UV stable. This model 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 corrosion resistant spring loaded push terminals
• Moisture, tear and fatigue resistant Aramid fiber spider
• Removable trim ring/grille
• Available in black or white
• 2-Year Warranty

Klippel Verified

Klippel is a speaker certification program allowing us to deliver the best possible subwoofers.

Element Ready™ - Subwoofers

These subwoofers are protected against Dust, UV, Water, Corrosion, and feature Stainless hardware.

ASTM Test Standards

Marine Grade standards ensure resistance to extreme environments.

VAST Surround - Marine

The Vertical Attach Surround Technique significantly increases a subwoofer's effective radiating cone area up to 25%.

CEA-2031

Power handling on Rockford Fosgate speakers conform to CEA-2031 industry standards.

Anodized Aluminum Voice Coil Former

Rockford Fosgate subwoofers use anodized aluminum voice coil formers for superior heat dissipation (up to 100° at full power levels).

FlexFit 2 Basket - Marine Sub

The slot mounted frame pattern allows for variable adjustments to the mounting position of the subwoofer.