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

Model #: RM112D4B

At a Glance

The RM112D4B 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.

WarningProposition 65 Warning for California Residents
Rockford Fosgate® Prime Black 12" Dual 4-Ohm Subwoofer

Misc. Specs

Woofer Size12"
Mount Depth4.81
Manufacturer Warranty2 Year
RMS Power Handling (Watts)200
Peak Power Rating (Watts)400
Subwoofer Size12"
Shallow MountNo

General

Power Handling (Watts RMS)200 Watts RMS, 400 Watts Max
Sd (cm2)585
Le (mH)3.56
Re (Ohms)3.7
Mounting Depth4.81 in. (122 mm)
SPL (dB @ 1w/1m)89
Woofer Displacement0.12 cu. ft. (3.49 Liters)
Cutout Diameter10.87 in. (276 mm)
Fs (Hz)28.5
Xmax (mm)7
Qes0.62
Speaker ConnectorDual 12 AWG compression
CEA-2031 CompliantCEA-2031 Guidelines
Qts0.59
Qms10.06
Vas (Liters)107.7
Size12"
Nominal ImpedanceDual 4-Ohm
Magnet Weight (oz)39.75 oz. (1.13 Kg)
Voice Coil Diameter2" aluminum

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

Model #: RM112D4B
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At a Glance

The RM112D4B 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.

Get to know this product.

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.

Specifications

General

Power Handling (Watts RMS)200 Watts RMS, 400 Watts Max
Sd (cm2)585
Le (mH)3.56
Re (Ohms)3.7
Mounting Depth4.81 in. (122 mm)
SPL (dB @ 1w/1m)89
Woofer Displacement0.12 cu. ft. (3.49 Liters)
Cutout Diameter10.87 in. (276 mm)
Fs (Hz)28.5
Xmax (mm)7
Qes0.62
Speaker ConnectorDual 12 AWG compression
CEA-2031 CompliantCEA-2031 Guidelines
Qts0.59
Qms10.06
Vas (Liters)107.7
Size12"
Nominal ImpedanceDual 4-Ohm
Magnet Weight (oz)39.75 oz. (1.13 Kg)
Voice Coil Diameter2" aluminum

Misc. Specs

Woofer Size12"
Mount Depth4.81
Manufacturer Warranty2 Year
RMS Power Handling (Watts)200
Peak Power Rating (Watts)400
Subwoofer Size12"
Shallow MountNo
WarningProposition 65 Warning for California Residents