Rockford Fosgate M2D2-10I M2 Series 10" 400W RMS (1600W Peak Power Handling) 2 Ohms Dual Voice Coils Marine Subwoofer - White
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What's Inside?
- • 10" M2 Series Marine Subwoofer
- • Centrex plastic grille (White)
- • Stainless steel grille
- • Grille ring (White)
- • 11" LED power harness with 4-pin Deutsch connector on one end
- • 2-3/8" Stainless steel Allen head screws
- • 4mm Allen head bit
- • 4.5mm Drill bit
- • Owner's Manual
Built for Salt, Sun, and Real Marine Punishment
The Rockford Fosgate M2D2-10I is built for environments where most subs would give up early. It is tested using ASTM B117 and D4329 salt fog exposure along with ASTM G154 UV standards, so it is designed to handle constant moisture, salt, and harsh sunlight without losing performance. Whether it is mounted on a boat or an open-air marine setup, this sub is made to stay reliable and keep hitting strong in real-world conditions.
Flexible Power and Free-Air Installation Made Simple
This subwoofer gives you serious control over how your system is wired and installed. The selectable dual impedance operation lets you switch between 1 ohm and 4 ohms by reconfiguring the dual 2 ohm voice coils in series or parallel, while still delivering strong output at 400W RMS and 1600W peak power. It is also optimized for infinite-baffle free-air installation, so you can mount it in flexible locations without needing a dedicated enclosure while still getting deep, controlled bass response.
Clean Bass, Smart Engineering, and Custom Marine Style
The M2D2-10I is built to sound as good as it looks while staying tough enough for marine life. The RGB lighting system behind the grille lets you customize colors like aqua, pink, yellow, or white, while the waterproof Deutsch connector keeps everything sealed and reliable. You also get multiple grille options including spoke-style and stainless steel designs for a custom finish. Inside, VAST technology increases cone efficiency for stronger bass, Klippel Verified engineering keeps distortion low and sound accurate, and stainless steel corrosion-resistant hardware ensures long-term durability. Flexible terminal options round it out, making installation clean, secure, and built to last in harsh environments.
Frequently Asked Questions (FAQ)
- • Why Does My M2D2-10I Sound Strong at Low Volume but Weak When Turned Up?
This can happen when the amplifier reaches its limits or begins clipping as volume increases. Check the amplifier gain, input signal, and available power instead of simply turning the gain higher.
- • Why Does My M2D2-10I Need More Bass Boost Than Expected?
Bass response depends heavily on the installation environment, especially with an infinite-baffle setup. If the rear wave is not properly isolated from the front of the cone, cancellation can make the subwoofer seem unusually weak.
- • What Causes the M2D2-10I to Make a Flapping or Air-Movement Sound?
A noticeable air sound can indicate that the mounting area is not properly sealed around the woofer. Inspect the mounting surface, gasket, and surrounding panel for gaps that allow the front and rear sound waves to interact.
- • Why Does My M2D2-10I Sound Different After Installing It in a Boat?
Marine mounting locations can produce very different acoustic results depending on the available air space and surrounding structure. A subwoofer that sounds powerful in one location may have noticeably less impact when installed in another area.
- • Can Using the Wrong Voice-Coil Configuration Reduce My Bass Output?
Yes. The M2D2-10I uses dual 2-ohm voice coils, so the wiring configuration determines the load presented to the amplifier. An incorrect configuration can cause poor amplifier performance or an impedance mismatch.
- • Why Does the Cone Move Excessively When the Music Gets Deep?
Large cone movement can occur when the subwoofer receives strong low-frequency signals. If the movement becomes excessive or produces mechanical noise, check the amplifier settings, signal level, and installation conditions before continuing at high volume.
- • What Should I Check If the Subwoofer Mounting Screws Keep Coming Loose?
Repeated vibration can loosen hardware when the woofer is mounted to a flexible panel. Use the correct mounting hardware and make sure the mounting surface is rigid enough to support the approximately 11-inch overall speaker structure.
- • Why Do My M2D2-10I LEDs Stay On Even When the Audio System Is Off?
The lighting circuit is separate from the audio signal, so the LEDs can remain powered if they are connected directly to a constant 12V source. Rockford specifies a 9–16V LED operating range and recommends a 1-amp fuse for the LED circuit.
- • Why Does My Subwoofer Become Almost Silent After Changing Amplifiers?
A different amplifier can present a completely different impedance and power relationship to the dual voice coils. Recheck the amplifier's output configuration and make sure both voice coils are wired correctly before troubleshooting the woofer itself.
- • Why Is My M2D2-10I Bass Better With One Type of Music Than Another?
Different recordings contain very different amounts of low-frequency information. If bass is impressive on some tracks but limited on others, compare the source material and crossover settings before concluding that the subwoofer is underperforming.
- Diameter : 10 Inch
- Sensitivity : 90.3 dB
- Impedance : 2 Ohm
- Frequency Response : 20-750 Hz
- RMS Power Range : 400 Watts
- Peak Power Handling : 1600 Watts
- Color : White
- Mounting Depth : 4.44 Inches
Features:
- Marine Durability Certification: Built and tested using ASTM B117 & D4329 salt/fog exposure and ASTM G154 UV standards to ensure long-term reliability in harsh marine conditions.
- Selectable Dual Impedance Operation: Integrated switch allows configuration between 1-ohm and 4-ohm wiring by reconfiguring dual 2-ohm voice coils in series or parallel, delivering 400W RMS and 1600W peak power handling.
- Optimized Infinite-Baffle Performance: Designed specifically for free-air installation, allowing flexible mounting locations without requiring a dedicated enclosure while maintaining strong low-frequency output.
- Dynamic RGB Illumination System: Built-in red, green, and blue LEDs behind the grille provide customizable lighting effects with multiple color combinations including white, aqua, yellow, and pink.
- Marine-Grade LED Connectivity: Includes a 4-pin waterproof Deutsch DT Series connector and harness for secure LED integration, with compatibility for external RGB lighting controllers (sold separately).
- Versatile Grille System Design: Supplied with multiple grille options including spoke-style and stainless steel designs, secured using mounting hardware for durability and visual customization.
- Enhanced Acoustic Efficiency Technology: Utilizes VAST (Vertical Attach Surround Technique) to increase effective cone area, improving bass output without increasing overall basket size.
- Precision Engineered Performance: Klippel Verified design optimizes motor structure, suspension dynamics, and voice coil alignment for reduced distortion and improved sound accuracy.
- Corrosion-Resistant Construction: Built with stainless steel mounting hardware to withstand prolonged exposure to saltwater and marine environments.
- Flexible Terminal Connectivity: Features both standard quick-slide terminals and a sealed 2-pin Deutsch connector for secure and corrosion-resistant wiring options.
Specifications:
- Size: 10"
- Nominal Impedance (Ohms): 1-Ohm or 4-Ohm Switchable
- Power Handling (Watts RMS): 400 Watts RMS/ 1600 Watts PEAK
- Voice Coil Diameter: 2.0"(50.8 mm)
- Magnet Weight (oz): 55.02 oz. (1.56 Kg)
- Voice Coil Type: Dual Voice Coil
- Frequency Response: 20 Hz - 750 Hz
- Fs: (Hz)43
- Re: (Ohms)3.3
- Le: (mH)1.17
- Qms: 5.69
- UPC: 780687355708
- Weight: 14
- 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.
