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Description
Rockford Fosgate M2 12 Inch Marine Subwoofer 4 Ohm DVC White for EnclosuresThe M2D4 12S Color Optix 12 DVC 4 Ohm sealed enclosure subwoofers deliver loud, clear, accurate bass, and light the way for your journey! M2 provides a customized look by using either the stainless steel grille or the white sport grille inserts. The subwoofers connect with the Rockford Fosgate Color Optix Controller and RF Connect App, allowing you to customize your own color patterns. The Element Ready design and IPX6 certification makes them truly
The M2D4-12S Color Optix™ 12” DVC 4-Ohm sealed enclosure subwoofers deliver loud, clear, accurate bass, and light the way for your journey! M2 provides a customized look by using either the stainless-steel grille or the white “sport” grille inserts. The subwoofers connect with the Rockford Fosgate Color Optix™ Controller and RF Connect App, allowing you to customize your own color patterns. The Element Ready™ design and IPX6 certification makes them truly purpose-built for marine or motorsport applications where protection from damaging UV rays and water spray is essential. This subwoofer is optimized for small sealed enclosures where space is at a premium.
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 designed to perform in small sealed designs when there is very little space for an enclosure.
Key Points
- 12" marine subwoofer with dual 4-ohm voice coils
- Design for sealed enclosures
- Injection-molded mineral-filled polypropylene cone
- Integrated Color Optix RGB LED lighting included (requires separate PMX-RGB lighting controller)
- Synthetic fiber blend spider
- Element Ready™ design
- Rugged, UV-stable plastic parts
- Deutsch™ and Amphenol™ waterproof connectors make wiring simple
- IP67 certification
- Removable grille included with interchangeable stainless-steel or "Sport" inserts
- Power handling: 400 watts RMS (1600 watts peak)
- Frequency response: 20-750 Hz
- Sensitivity: 88 dB at 1w/1m
- Switchable impedance: 2 or 8 ohms
- Cutout diameter: 11"
- Top-mount depth: 4.87"
- Sealed box volume: 0.75 cu. ft.
- Warranty: 2 years
- Our 60-day money-back guarantee
- MFR # M2D4-12S
Features
- Element Ready™ design protects lighting from exposure
- 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
- Bright, wide-angle LEDs provide rich, reliable illumination
- Industry’s first molded in-frame connectors for simple connectivity in addition to conventional spade terminals
- Versa impedance switch quickly allows series or parallel configuration without additional wiring
- Deutsch DT connectors incorporate front/rear silicone seals to protect against environmental ingress
- Gold plated marine grade brass terminals provide a corrosion resistant connection
- 100% UV Stable ASA plastic frame & grille design stands up to harsh marine environment
- 2-piece grille allows for interchangeable stainless-steel or "sport" option
- Injection molded mineral filled polypropylene cone body with UV inhibitors
- Optimized for small sealed enclosures when there is very little space for an enclosure
- Provides superb low and midrange frequency reproduction with smooth high frequency roll-off
- Vast vertical attach surround technique increases effective radiating cone area up to 25%
- Klippel Verified certification program delivers the best possible loudspeakers
- IPX6 Water Intrusion Rated
- 2-Year Warranty
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.6 ★★★★★
Based on 20 reviews
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Product Reviews
★★★★★ 5
Holy S*** this bra is amazing.
Color: Black, Size: 42G
I’m sure you are coming here reading reviews thinking “I don’t know. No bra has ever fit me right before. How will I know this bra is any different?” And let me be the first to tell you I was right there with you. I have been bra shopping for what feels like forever. For context I am a G cup and finding bras that fit nice seems like something I’d only find in my dreams. I have gotten bras from Torrid, Victoria Secret, Lane Bryant, Kohls, Walmart, you get the idea. Yes I know there are plenty of other sites but I don’t want to spend $80+ for a bra! Between them either hurting like hell from the wire, feeling like I was wearing a corset that was made for a door, or having absolutely no support/coverage, I contemplated just wearing no bra at all. I had such “luck” that I thought “maybe if I wear a sports bra all the time these problems would go away.” You guessed it! They in fact did not. I even tried no underwire and sure the wire pain was gone but good ol back pain came in at full swing. I would have constant issues with spillage and not feeling supported (and DONT even get me started on the uniboob)that I began to think I was the problem. Fortunately, a couple of days ago, I had discovered HSIA. I can’t stress enough to you how wonderful this bra is. It’s not only supportive but it’s also comfortable, breathable, and full coverage. And a added bonus: IT LOOKS AMAZING. This bra has changed my depressive outlook on bras to the most positive outlook. So much so I’m wearing this bra FOR FUN. 10/10 would recommend. It fits true to size. Straps are comfortable, no pinching. Under wire is very comfortable and does not dig into my rib cage. There is no padding, but still feels/looks great. Some shirts you can see the lace material but they have another bra that is smooth (I bought that one too) that fits just as great. I personally did not experience any itching like some other people were saying but I’d say just give it a try. If you made it this far reading this just buy it and see for yourself :)
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Reviewed in the United States on October 25, 2025
★★★★★ 4
Delicate and pretty but does the job
Color: Light Coral, Size: 40DDD
This is a new brand of bra for me and I got it because it was recommended. Today I'm wearing it and have a few thoughts:
1) The straps are comfortable. In fact, the whole thing is comfortable. It doesn't look like it would be comfortable at all, but it's pretty nice.
2) I'm not so sure about the sturdiness. When putting this on this morning, the mesh actually ripped a little bit as I was positioning it around my torso after buckling the back together. This is how I put bras on: Turn it upside down and have the snaps facing the front, snap the snaps, then rotate it around your torso until it's positioned correctly, then flip it rightside up over your breasts. Is there some other way? I'm super afraid of ripping the delicate material now.
3) Despite how delicate the material is, it does have some give once on and holds my breasts well.
4) The fit is good. I'm normally a 40DDD. If I go up a cup size, then the underwire digs into my skin, so I want to avoid that. These seem a bit snug so as I wear it today, I'm going to watch for "spillage" where breasts start bunching up at the top. I know, that sounds so gross, but larger breasted ladies know what I mean!
To answer some questions:
Yes, it has adjustable straps. Are there bras that don't have adjustable straps that aren't sports bras?
Yes, it is machine washable, though this is one of the first bras where I think I might actually need to use a delicates bag because the lace is just so delicate.
It's very pretty, holds well, minimizes well, is pretty comfortable, but just a lot more delicate than I'm used to.
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Reviewed in the United States on August 22, 2025
★★★★★ 5
Great affordable bra
Color: Balsam Blue, Size: 38I
Best bra I have purchased! I wear a 38 I and this is without a doubt the comfiest bra I own. No side boob or uniboob! The fit is perfect and there is no spillage on the tops or sides and I'm not having to constantly adjust myself. I didn't think it was possible to find cute, supportive bra for under $40 but here we are. They also have great support for when I'm at the gym. I do tend to still put a looser fitting sports bra over the HSIA bra when I'm working out for my own comfort, but it's not really necessary and I would most likely be fine during my workout without the extra layer.
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Reviewed in the United States on May 7, 2026
★★★★★ 3
Cute but could be better
Color: Dark Pink, Size: 38DD
This bra definitely looks really good and has a sexy style to it. It does a decent job overall, especially for the price, but after trying two different bras from the same brand, I honestly liked the more expensive one much better.
The lace on this one is pretty, but it shows through thin shirts and tighter materials. The underwire also started digging into my skin after wearing it for a bit, and the lace caused some irritation. The fit wasn’t bad, but the pricier version was noticeably more comfortable and fit better overall.
For $16, this bra is still decent and looks nice, but if you’re deciding between the two, I’d recommend spending a little extra money on the more expensive one for the added comfort and better fit.
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Reviewed in the United States on May 21, 2026
★★★★★ 5
Best bra ever 💯
Color: Dark Pink, Size: 38DDD
I have seen these bras hyped everywhere especially tiktok, so I was expecting to be somewhat disappointed. Instead i am shocked by how much I love it and am immediately looking to buy more of them!! This is the most comfortable bra I have ever worn. I am a 38DDD, and it actually does appear to minimize and lift my chest in shirts while being so much more comfortable than any other bra. My back pain is gone???? Its affordable??? 100000000/10. Buy it 😭😭
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Reviewed in the United States on May 19, 2026
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