Prime Marine 30 cm (12") DVC 4 + 4-Ohm Subwoofer - Black
The RM112D4B is a black 30 cm (12”) 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.
Power handling on Rockford Fosgate speakers conform to CEA-2031 industry standards.
Element Ready™ - Subwoofers
These subwoofers are protected against Dust, UV, Water, Corrosion, and feature Stainless hardware.
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).
Klippel is a speaker certification program allowing us to deliver the best possible subwoofers.
VAST Surround - Marine
The Vertical Attach Surround Technique significantly increases a subwoofer's effective radiating cone area up to 25%.
ASTM Test Standards
Marine Grade standards ensure resistance to extreme environments.
FlexFit Basket - Marine Sub
The slot mounted frame pattern allows fine-tuning of the subwoofer's mounting position.
Voice Coil Diameter
200 Watts RMS
400 Watts Max
30 cm (12")
54 mm (2") aluminum
Dual 12 AWG compression
SPL (dB @ 1w/1m)
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