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Rockford Fosgate® Prime Black 12" Dual 2-Ohm Subwoofer
At a Glance
The RM12D2B is a black 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.
Proposition 65 Warning for California Residents
General Specs
| Woofer Size | 12" |
|---|---|
| Mount Depth | 4.81 |
| Manufacturer Warranty | 2 Year |
| RMS Power Handling (Watts) | 200 |
| Peak Power Rating (Watts) | 400 |
| Subwoofer Size | 12" |
| Shallow Mount | No |
General
| Nominal Impedance | Dual 2-Ohm |
|---|---|
| Le (mH) | 2.17 |
| Re (Ohms) | 3.7 |
| Cutout Diameter | 10.87 in. (276 mm) |
| Power Handling (Watts RMS) | 200 Watts RMS, 400 Watts Max |
| Qes | 0.62 |
| Magnet Weight (oz) | 39.75 oz. (1.13 Kg) |
| Speaker Connector | Dual 12 AWG compression |
| Mounting Depth | 4.81 in. (122 mm) |
| SPL (dB @ 1w/1m) | 89 |
| CEA-2031 Compliant | CEA-2031 Guidelines |
| Fs (Hz) | 28.5 |
| Qts | 0.59 |
| Qms | 10.6 |
| Vas (Liters) | 107.7 |
| Xmax (mm) | 7 |
| Woofer Displacement | 0.12 cu. ft. (3.49 Liters) |
| Sd (cm2) | 585 |
| Size | 12" |
| Voice Coil Diameter | 2" aluminum |
Rockford Fosgate® Prime Black 12" Dual 2-Ohm Subwoofer
Model #: RM112D2B
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At a Glance
Get to know this product.
The RM112D2B 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
CEA-2031
Power handling on Rockford Fosgate speakers conform to CEA-2031 industry standards.
VAST Surround - Marine
The Vertical Attach Surround Technique significantly increases a subwoofer's effective radiating cone area up to 25%.
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.
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.
Useful Documents
Proposition 65 Warning for California Residents