Rockford Fosgate M2D2-12S M2 Series 12" 400W RMS (1600W Peak Power Handling) 2 Ohms Dual Voice Coils Color Optix™ Sealed Enclosure Marine Subwoofer - White
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What's Inside?
- • 12" M2 Series Marine Subwoofer
- • Stainless steel grille
- • Sport grille (White)
- • 11" LED power harnesses with 4-pin Deutsch connector on one end
- • (6) 3" Stainless steel Allen head screws
- • 4mm Allen head bit
- • 4.5mm Drill bit (for fiberglass enclosures only)
- • Rockford Fosgate contact information
- • Owner's Manual
Deep Bass That Hits Hard, No Matter Where You Ride or Cruise
The Rockford Fosgate M2D2-12S sealed enclosure marine subwoofer is built for people who actually want to feel their bass, not just hear it. This thing is tuned for high-output low-frequency performance, giving you deep, controlled punch that stays clean even when the volume climbs. Whether you're tearing through trails or cruising open water, it keeps that low-end tight and powerful without falling apart when things get loud.
Built to Survive Salt, Sun, and Serious Abuse
This subwoofer is not playing around when it comes to durability. It’s built and tested to marine standards like ASTM B117 salt fog and ASTM G154 UV exposure, meaning it can handle harsh sun, moisture, and corrosion without breaking down over time. Add in stainless steel hardware, sealed terminals, and heavy-duty waterproof connectors, and you’ve got a system designed to keep performing in environments where most audio gear would quit early.
Smart Power, Better Sound, and a Setup That Just Works
The M2D2-12S gives you flexibility with its selectable dual impedance design, letting you switch between 1Ω and 4Ω depending on your system without messing with wiring complexity. It also brings serious engineering to the table with Klippel Verified motor optimization for cleaner output and less distortion. Combine that with VAST surround technology for more cone area in a compact design, and you get bigger bass performance without needing a massive enclosure. Add in subtle multi-color LED lighting, and it’s not just powerful, it looks just as good as it sounds.
Frequently Asked Questions (FAQ)
- • Why Does My M2D2-12S Sound Much Better With the Enclosure Closed?
The M2D2-12S is designed for a small sealed enclosure, so an improperly sealed or modified enclosure can change its bass response. Check the enclosure panels, gasket, and mounting surface for air leaks.
- • Why Does the Amplifier Clip Before I Reach the Volume I Want?
A clipping amplifier can make the system sound harsh or cause the amplifier to shut down. Check the gain structure, source level, and impedance setting rather than assuming the subwoofer needs more power. Similar user reports describe amplifiers cutting off when gain is increased and the connected load is unsuitable.
- • Why Does My M2D2-12S Seem to Lose Punch at Certain Bass Frequencies?
Low-frequency response can change depending on the enclosure, installation position, and surrounding cabin or boat acoustics. If only certain notes disappear, try checking the mounting environment and phase before replacing the subwoofer.
- • Why Is the Subwoofer Moving but Not Producing Much Audible Bass?
Large cone movement does not necessarily mean strong bass output. Incorrect polarity, an air leak, amplifier filtering, or cancellation caused by the installation can make the cone move while the perceived bass remains disappointing.
- • Why Does the Bass Become Harsh After Playing for a Long Time?
Long periods at high output can expose amplifier clipping, thermal limitations, or excessive gain. Users commonly report amplifiers becoming very hot during extended high-bass sessions, so check amplifier temperature and electrical connections if the sound changes after prolonged use.
- • Can I Change the M2D2-12S From 1 Ohm to 4 Ohms Without Rewiring the Voice Coils?
Yes. The integrated VERSA impedance switch allows the dual voice coils to be configured for 1Ω or 4Ω operation. Select the setting that your amplifier is designed to support before playing the system at high output.
- • Why Does My M2D2-12S Sound Weak After I Move It to Another Location?
Changing the mounting location can alter the acoustic loading and how bass energy enters the listening area. Even though the woofer itself has not changed, the new position may produce different peaks or cancellations.
- • What Could Cause a Buzzing Noise Around the M2D2-12S?
A buzzing sound can come from loose grille components, mounting screws, enclosure panels, or nearby trim vibrating with the bass. Tighten the mounting hardware and inspect the surrounding structure before increasing amplifier output.
- • Why Does the Subwoofer Play Normally but the Color Optix Lighting Does Not?
The audio and RGB functions use separate connections. The M2D2-12S can continue producing bass even when the Color Optix system has a power, controller, cable, or app problem. Rockford specifies the PMX-RGB controller and RF Connect App for Color Optix control.
- • Why Does My M2D2-12S Stop Working After Water Exposure?
The M2D2-12S is designed for marine environments and uses protected marine connections, but damaged connectors, loose wiring, or compromised seals can still create intermittent operation. Inspect the Deutsch/Amphenol connections and wiring for moisture, corrosion, or physical damage before diagnosing the subwoofer itself.
- Diameter : 12 Inch
- Sensitivity : 88 dB
- Impedance : 2 Ohm
- Frequency Response : 20-750 Hz
- RMS Power Range : 400 Watts
- Peak Power Handling : 1600 Watts
- Color : White
- Mounting Depth : 5 Inches
Features:
- All-Weather Engineered Bass Performance: The M2D2-12S sealed enclosure marine subwoofer is designed for high-output low-frequency reproduction, delivering deep, controlled bass response while maintaining reliability in harsh marine and off-road environments.
- Rugged Marine Certification Standards: Built and tested under ASTM B117 salt/fog and ASTM G154 UV exposure standards, ensuring long-term resistance to corrosion, sunlight degradation, and extreme environmental conditions.
- Selectable Dual Impedance Configuration: Features an integrated impedance switch that allows easy adjustment between 1Ω and 4Ω configurations, optimizing system compatibility without altering the subwoofer’s 400W RMS / 1600W peak power handling.
- Integrated Multi-Color LED Illumination: Equipped with red, green, and blue LED backlighting that can be combined for customizable color effects, enhancing visual impact while maintaining sealed environmental protection.
- Heavy-Duty Waterproof Connectivity: Includes marine-grade Deutsch connectors and sealed terminals designed to resist water intrusion, ensuring stable signal integrity in demanding conditions.
- Enhanced Cone Area Efficiency: Utilizes VAST (Vertical Attach Surround Technique) technology to increase effective cone surface area, improving bass output without increasing overall enclosure size.
- Precision-Tuned Driver Optimization: Klippel Verified engineering ensures optimized motor structure, voice coil alignment, and suspension geometry for reduced distortion and improved acoustic accuracy.
- Durable Stainless Steel Hardware: Corrosion-resistant stainless steel mounting components provide long-term structural integrity, making the system suitable for continuous exposure to moisture and vibration.
- Compact Sealed Enclosure Design: Engineered for 0.75 ft³ sealed enclosure applications, delivering tight, responsive bass performance ideal for marine and powersports audio systems.
Specifications:
- Size: 12"
- Nominal Impedance (Ohms): 1-Ohm or 4-Ohm Switchable
- Power Handling (Watts RMS): 400 Watts RMS/1,600 Watts PEAK
- Voice Coil Type: Dual Voice Coil
- Voice Coil Diameter: 1.95" (49.53 mm)
- Magnet Weight (oz): 61.09 oz. (1.7 Kg)
- Frequency Response (Hz):20 Hz - 750 Hz
- Fs (Hz): 32
- Re (Ohms): 3.3
- Le (mH): 3.43
- Sd (cm2): 539
- Qms: 4.437
- Qes: 0.91
- Qts: 0.76
- Vas: 72
- SPL (dB @ 1w/1m): 88
- SPL (dB @ 2.8v): 89
- Xmax (mm): 15
- Woofer Displacement: 0.121 (3.43 Liters)
- Speaker Connector: 2-pin Deutsch™ and 1/8" Spade
- Cutout Diameter: 11” (279.4 mm)
- Mounting Depth: 4.87" (123.8 mm)
- Sealed Box Volume: (Vb)0.75 (21 Liters)
- UPC: 780687355685
- Weight: 18.4
- Authorized Internet Dealer
Warranty: 2 Year(s) Warranty.
This item is accompanied by a manufacturer's warranty. If it is found to be defective, it may be returned to OnlineCarstereo.com for replacement within 2 Year(s) from the original date of purchase with proper return authorization.
