Variants
12" DVC 4‑Ohm marine subwoofer optimized for infinite‑baffle installations. Compatible with Rockford Fosgate Color Optix™ lighting (controller sold separately) and built for marine conditions.
Buyer confidence
62%Highlights
- 2-Year Warranty
- 100% UV Stable ASA plastic frame & grille design stands up to harsh marine environment
- VAST vertical attach surround technique increases effective radiating cone area up to 25%
- Klippel Verified certification program delivers the best possible loudspeakers
Key specs
Full specs- Size
- 12"
- Qes
- 1.14
- Nominal Impedance (Ohms)
- 2-Ohm or 8-Ohm Switchable
- Qms
- 5.27
- Sd (cm2)
- 539
- Le (mH)
- 3.43
- Re (Ohms)
- 6.5
- Fs (Hz)
- 38
Key specs
Full specs- Size
- 12"
- Qes
- 1.14
- Nominal Impedance (Ohms)
- 2-Ohm or 8-Ohm Switchable
- Qms
- 5.27
Highlights
Overview- 2-Year Warranty
- 100% UV Stable ASA plastic frame & grille design stands up to harsh marine environment
- VAST vertical attach surround technique increases effective radiating cone area up to 25%
Overview
12" DVC 4‑Ohm marine subwoofer optimized for infinite‑baffle installations. Compatible with Rockford Fosgate Color Optix™ lighting (controller sold separately) and built for marine conditions.
Best for
- Boat owners who want subwoofer bass without a sealed or ported enclosure (infinite‑baffle installations)
- Installations that need marine‑grade connectors and durability
- Systems where customizable lighting and grille appearance are desired
Key points
- Color Optix™ compatible — integrates with Rockford Fosgate Color Optix controller and RF Connect app for lighting control (controller sold separately)
- Element Ready™ construction designed to resist water, salt, and UV exposure
- VersaSwitch™ lets installers change impedance between 2 and 8 ohms without rewiring
- True Marine Ecosystem — integrated Deutsch™ / Amphenol™ connections for marine plug‑and‑play connectivity
- Optimized for infinite‑baffle use (no enclosure required)
- Multiple grille options (stainless‑steel grille or sport grille inserts) for a customized look
Fit and use
Intended for infinite‑baffle installations; a mounting baffle is required to isolate front and rear wavelengths and prevent cancellation Enclosure is not required for intended use; follow installer guidance for mounting and sealing Sold individually (1 each); lighting controller and app connectivity accessories are sold separately Integrated Deutsch/Amphenol connectors streamline connection to compatible marine syst…
What to know
This product is sold individually — one subwoofer per SKU. Color Optix lighting requires the Color Optix controller (sold separately) and the RF Connect app for full control. Grille options allow a customized appearance; verify which grille is included with your purchase. Described as Element Ready with marine‑grade c…
Key features
- 2-Year Warranty
- 100% UV Stable ASA plastic frame & grille design stands up to harsh marine environment
- VAST vertical attach surround technique increases effective radiating cone area up to 25%
- Klippel Verified certification program delivers the best possible loudspeakers
- Element Ready™ design protects lighting from exposure
- Bright, wide-angle LEDs provide rich, reliable illumination
- IPX6 Water Intrusion Rated
- Gold plated marine grade brass terminals provide a corrosion resistant connection
- Deutsch DT connectors incorporate front/rear silicone seals to protect against environmental ingress
- Provides superb low and midrange frequency reproduction with smooth high frequency roll-off
- Industry’s first molded in-frame connectors for simple connectivity in addition to conventional spade terminals
- Integrated Deutsch™/Amphenol™ connectors make wiring connections simple and error proof
More info
Manufacturer details
The M2D4-12IB Color Optix™ 12” DVC 4-Ohm infinite baffle subwoofers deliver loud, clear, accurate bass, and light the way for your journey! Sold individually (1 each).
Color Optix™: Adjust your own bright, wide, and limitless lighting experience with the Rockford Fosgate Color Optix™ plug-and-play controller (sold separately) and App.
Element Ready™: Purpose Built for the Marine Environment, Rockford’s Element Ready™ products are built to stand up to Water, Salt, and UV rays, making sure your subwoofers stand the test of time.
Grille Customization: Multiple grille options provides a customized look by using either the stainless-steel grille or the “sport” grille inserts, allowing you to dial in your personalized-on water experience.
True Marine Ecosystem: Integrated Deutsch™ / Amphenol™ connections provide industry leading marine plug-and-play connectivity and flexible install options.
Color Optix™: Requires PMX-RGB controller and RF Connect™ App
Color Optix™ Speakers | Launch
Color Optix™ Speakers | Overview
Color Optix™ Controller | Overview
Additional details
The M2 series of Element Ready™ subwoofers are designed to pair with the Rockford Fosgate Color Optix™ Controller and RF Connect App through its Deutsch™ and Amphenol™ connectors integrated into the basket. This combined with their IP67 certification make these speakers Element Ready™ and truly purpose built for marine applications. To compliment the plug and play connectivity and streamline installation, M2 subwoofers are equipped with a VersaSwitch™ to make changing impedance between 2 and 8 ohms as easy as flipping a switch. This subwoofer is optimized for Infinite Baffle installations, where an enclosure is not required. A mounting baffle is required to isolate any interaction between the front and rear wavelengths to prevent cancellation.
Technologies

Color Optix™ Control
Adjust your own bright, wide, and limitless lighting experience with the Rockford Fosgate Color Optix™

VAST Surround - Marine
Rockford Fosgate's proprietary surround technique, VAST, provides up to a 25% increase in the speakers effective

VERSA Switch
Allows you to easily configure a 2Ω Dual Voice Coil subwoofer into 1Ω / 4Ω or a 4Ω DVC sub into 2Ω / 8Ω with the

True Marine Ecosystem
Dual Integrated Deutsch™ and Amphenol™ connections provide industry leading marine plug-and-play connectivity and

Element Ready™ | Subwoofers
All components are protected against harsh outdoor elements like Dust, UV, Temperature, Water, Corrosion &

ISO60068-2-64 Vibration Testing
ISO60068-2-64 Vibration testing standards ensure the product is durable and can withstand vibrations found on

Klippel Verified
To adorn the ‘Verified with Klippel’ mark, the qualifying company’s loudspeaker engineering personnel must be

IPX6 Water Intrusion Rated
A device with a level 6 water resistance rating can survive strong water jets projected by a 12.5mm nozzle at any

ASTM G154 Testing
ASTM G154 500Hr Accelerated UV testing
Showing the main technologies for this product.
Specs
Specifications
| Size | 12" |
| Qes | 1.14 |
| Nominal Impedance (Ohms) | 2-Ohm or 8-Ohm Switchable |
| Qms | 5.27 |
| Sd (cm2) | 539 |
| Le (mH) | 3.43 |
| Re (Ohms) | 6.5 |
| Fs (Hz) | 38 |
| Frequency Response (Hz) | 20 Hz - 750 Hz |
| Magnet Weight (oz) | 61.09 oz. (1.7 Kg) |
| Voice Coil Diameter | 1.95" (49.53 mm) |
| Voice Coil Diameter | 1.95" (49.53 mm) |
| Power Handling (Watts RMS) | 400 Watts RMS 1,600 Watts PEAK |
| Woofer Displacement | 0.121 (3.43 Liters) |
| SPL (dB @ 1w/1m) | 88 |
| Vas | 64.2 |
| Voice Coil Type | Dual Voice Coil |
| Shipping Weight | 14.26 Lbs. (6.47 Kg) |
| SPL (dB @ 2.8v) | 90 |
| Xmax (mm) | 15 |
| Speaker Connector | 2-pin Deutsch™ and 1/8" Spade |
| Cutout Diameter | 11” (279.4 mm) |
| Mounting Depth | 5.13" (130.4 mm) |
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Return Authorization
If you bought this product from Onkar Electronics, use the Contact Us page on the Onkar Electronics website and we will help with return authorization and warranty support. If you purchased it from another dealer, contact that authorized dealer first for return assistance.
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