Rockford Fosgate M2D4-10SB M2 Series 10" 400W RMS (1600W Peak Power Handling) 4 Ohms Sealed Enclosure Marine Subwoofer - Black
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What's Inside?
- • Marine Subwoofer
- • Owner's Manual
Truly Purpose-built for Marine
The M2 series of Element Ready™ subwoofers are IP67 certified, making them truly purpose-built for marine and motorsport applications where protection from damaging UV rays and water spray is essential. They 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.
Compliment the Plug and Play Connectivity
To compliment the plug and play connectivity and streamline installation, M2 subwoofers are equipped with a Versa Switch™ to make changing impedance between 2 and 8 ohms as easy as flipping a switch. Matching the theme of your boat can be further customized by using the included color insert or stainless-steel grille for that sport look.
Connectors That Make Wiring Simple and Error Proof
The M2D4-10S is a 10” DVC 4-Ohm Color Optix™ subwoofer that connects with our Rockford Fosgate Color Optix™ controller and RF Connect™ App, allowing you to customize your own color patterns. Connectivity is handled through integrated Deutsch™/Amphenol™ connectors that make wiring simple and error proof.
Frequently Asked Questions (FAQ)
- • Why Does My M2D4-10SB Have Very Little Bass After Installation?
If the subwoofer is playing but lacks impact, check the amplifier gain, low-pass filter, phase, and signal level. Incorrect settings can make a properly functioning subwoofer sound surprisingly weak.
- • Why Does the Amplifier Keep Cutting Out With the M2D4-10SB?
Repeated amplifier shutdowns can point to an impedance mismatch, poor ground, overheating, or wiring trouble. Verify the M2D4-10SB's Versa Switch is set to an impedance your amplifier can safely support.
- • Why Did My Bass Get Quieter After a Few Weeks of Use?
A noticeable drop in output may be caused by a loose connection, amplifier protection, changing gain settings, or a deteriorating power/ground connection rather than normal subwoofer operation. Similar Rockford system owners have reported reduced output alongside amplifier cycling or shutdowns.
- • What Should I Check If the M2D4-10SB Plays but Sounds Distorted?
Start with the amplifier gain and bass boost, then inspect speaker wiring and the selected impedance. Running the amplifier into clipping or using an incorrect impedance can produce distorted output.
- • Why Does My M2D4-10SB Not Produce Sound Even Though the Amp Has Power?
An illuminated amplifier does not necessarily mean the subwoofer is receiving an audio signal. Check the source output, speaker connections, amplifier protection status, and Versa Switch configuration.
- • Why Is My M2D4-10SB Making a Popping Noise When the System Starts?
A startup pop can originate from the head unit, amplifier turn-on sequence, signal processor, or wiring rather than the subwoofer itself. Check the system's remote turn-on and signal connections before replacing the woofer.
- • Why Does the Subwoofer Sound Different When I Change Amplifier Settings?
Changes to gain, crossover, bass boost, and impedance configuration can substantially alter how much power and signal reaches the M2D4-10SB. Make adjustments gradually and verify the amplifier's minimum impedance rating first.
- • How Can I Tell If the Sealed Box Is the Reason My Bass Sounds Poor?
The M2D4-10SB is optimized for a 0.5 cu. ft. sealed enclosure, so an enclosure that is significantly different in internal volume or has air leaks can change its low-frequency response.
- • Why Do the RGB Lights Stay Off While the Subwoofer Works Normally?
The Color Optix lighting operates separately from the audio function. Confirm that the optional PMX-RGB controller is powered and connected correctly and that the RF Connect App is communicating with the controller.
- • Can a Loose Marine Connector Cause Intermittent Bass?
Yes. An imperfect connection can cause the subwoofer to cut in and out or stop playing altogether. Inspect the integrated Deutsch/Amphenol connections for loose wiring, corrosion, moisture, or damaged seals, especially in marine environments.
- Diameter : 10 Inch
- Impedance : 4 Ohm
- Frequency Response : 20-750 Hz
- RMS Power Range : 400 Watts
- Peak Power Handling : 1600 Watts
- Color : Black
- Mounting Depth : 4.24 Inches
Features:
- Adjust color experience to suit your taste with Rockford Fosgate® Color Optix™ controller (optional)
- Integrated Deutsch™/Amphenol™ connectors make wiring connections simple and error proof
- VERSA impedance switch quickly allows series or parallel configuration without additional wiring
- Optimized for small sealed enclosures when there is very little space for an enclosure
- Element Ready™ design protects against outdoor exposure
- IPX6 Marine Grade for prevention of water intrusion
- Ultra-bright wide-angle RGB LEDs provide rich, reliable illumination
- Industry’s first molded in-frame connectors for simple connectivity in addition to conventional spade terminals
- Deutsch™ connector front/rear silicone seal protects against water ingress
- VAST vertical attach surround technique increases effective radiating cone area up to 25%
- Injection molded mineral filled polypropylene cone body with UV inhibitors
- 100% UV Stable ASA plastic frame & grille design stands up to harsh marine environment
- Gold plated Marine grade brass terminals provide a corrosion resistant connection
- 2-piece grille allows for interchangeable stainless-steel or "sport" option
- Provides superb low and midrange frequency reproduction with a smoother high frequency roll off
- Klippel Verified certification program delivers the best possible speakers
Specifications:
- Size: 10"
- Nominal Impedance (Ohms): 2-Ohm or 8-Ohm Switchable
- Power Handling (Watts RMS): 400 Watts
- Voice Coil Diameter: 1.95" (49.53 mm)
- Magnet Weight (oz): 32.9 oz. (0.9 Kg)
- Voice Coil Type: Dual Voice Coil
- Fs (Hz): 28
- Re (Ohms): 6.5
- Le (mH): 3.43
- Sd (cm2): 363
- Qms: 5.18
- Qes: 1.07
- Sealed Box Volume (Vb): 0.5 cu. ft. (14 Liters)
- Qts: 0.89
- Vas: 38.2
- SPL (dB @ 1w/1m): 86
- Xmax (mm): 12.0
- Woofer Displacement: 0.07 cu. ft. (2.03 Liters)
- Speaker Connector: Deutsch™ and 1/8" Spade
- Cutout Diameter: 8.87 in. (225.3 mm)
- Mounting Depth: 4.24 in. (107.7 mm)
- Shipping Weight: 8.5 Lbs. (3.85 Kg)
- UPC: 780687358211
- Weight: 11.3
- 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.
