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Description
Alpine RS-SB12 : 12" 750W 2Ω Thin Subwoofer EnclosureR Series Loaded 600 Watt Thin 12 Inch 2 Ohm Subwoofer Enclosure Now you dont have to choose between bass and space! Alpines R Series Shallow preloaded subwoofer enclosure measures at a minimal 5. 25 deep to deliver a loud and fun sound in most vehicle applications. Rubber feet are adjustable in height to accommodate uneven vehicle floors. Dont let the size fool you the enclosures feature the same motor movement (20MM of 1 way excursion) as the full
R-Series Loaded 600-Watt Thin 12-Inch 2-Ohm Subwoofer Enclosure
Now you don’t have to choose between bass and space! Alpine’s R-Series Shallow preloaded subwoofer enclosure measures at a minimal 5.25” deep to deliver a loud and fun sound in most vehicle applications. Rubber “feet” are adjustable in height to accommodate uneven vehicle floors.
Don’t let the size fool you – the enclosures feature the same motor movement (20MM of 1-way excursion) as the full-size R2-Series subwoofers for extreme output in a shallow woofer design. At the heart of the R-Series shallow subwoofers is an oversized 4-inch voice coil that houses the lightweight and powerful neodymium magnet for 600W RMS of power handling.
Integrated cooling fins located in the core of the subwoofer help dissipate the heat generated by the rapid subwoofer movement for enhanced cooling reliability and hours of uninterrupted playtime. The unique CoolMount dual-panel mount subwoofer motor enhances cooling.
Alpine’s Gen2 DD-Linear Magnetic Circuit technology, a compact and efficient dual-gap voice coil structure, allows for better control over the motor, resulting in lower distortion and precise bass control. The preloaded enclosures use the subwoofer frame as bracing fora more ridged design and better bass response.
A lightweight yet rigid aluminum dust cap allows the R-Series shallow subwoofer to transition sound quickly with minimal distortion and project the bass off the surface of the speaker for hard-hitting yet smooth bass performance. The included adjustable mounting brackets allow for a downfire mount configuration.
With dual voice coils wired in parallel for a 2Ω load, the Alpine R-Series 12" shallow subwoofer enclosure is optimized to perform with Alpine's S-A60M or R-A75M mono amplifiers.
Features
- Optimal sealed cabinet quality
- Aluminum Dust Cap
- Neodymium Magnet
- Alpine Gen2 DD Linear Magnetic Circuit
- CARB compliant ¾” MDF construction
- Premium Alpine embroidered black carpet
- Alpine-branded terminal cup
- Pre-installed steel mesh grille
- Includes a 12” R-Shallow Subwoofer (RS-W12D4)
- Rubber, modular stackable foot design
Specifications
- Dimensions: 26.5” W x 5.25” H x 17” D
- 600W RMS Power Handling
- Frequency response: 26Hz – 200Hz
- Dual 4Ω voice coils wired in parallel for a 2Ω load (compatible with S-A60M or R-A75M)
- Nominal Impedance: 2Ω
- Voice Coil: 4”(101.6mm)
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
4.8 ★★★★★
Based on 17 reviews
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Product Reviews
★★★★★ 4
Great watch, flimsy band
Color: Gray/Lilac
I bought this watch to replace a similar model because the band broke. I see this is a recurrent problem in many other reviews. However, I liked the watch enough to buy it again anyway. I found the new model easy to set, being fairly intuitive. So far it keeps perfect time. I use this watch mainly as a travel watch, and loved the dual time zone function. I am pleased that the newer model now has the ability to set 3 times zones instead of 2, which is an added bonus. The only con I see at this point is the flimsy strap. Unfortunately, the strap on this model is even thinner than on the previous one, and I wonder how long it will last. Also I wonder about the battery length. I think these watches may have been sitting around a long time. The setting showed 2012. I am afraid much of the battery life of the original battery may have already been used up and the battery may need replacing early. Only time will tell. The watch fits my small wrist fine and it is a little more attractive than the old model. I give it 4 stars instead of 5 only because of the band problem.
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Reviewed in the United States on August 13, 2016
★★★★★ 5
Great fit and quality!
Color: Black/Gray
Always love the quality of a Timex watch. Great fit for smaller wrists.
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Reviewed in the United States on May 11, 2026
★★★★★ 5
Fine for a man (with skinny wrists)
Color: Black/Gray, Color: Black/Gray
I have an older mens ironman which has gotten a little beat up and needs replacing. The band is much longer than I need. The metal clasp sits off-center on the underside of my wrist, closer to the part of my wrist which curves around to the front. The too-long strap sometimes flops around and catches on things. I couldn't find a smaller-band mens version, so I tried this "womens" watch (picking the most manly-looking one, of course). I like it better. The band fits my wrist much better, with the metal band in the middle and no flop. I also like that the watch is lighter and the face and band are smaller and less bulky, so it is less noticeable when I'm wearing it (cycling weight weenies will appreciate this). The face is still large enough to be easily legible and contains all of the same great features as my mens ironman watch, plus the newer versions now have an hourly chime, nice! Other info: my wrist is ~17.5cm or ~7.0" around. On this watch, I use the 6th out of 9 slots on the band. On my mens ironman, I use the 3rd out of 9 slots. Weight: this one = 28g, mens = 39g.
Pics show comparison of my prior mens ironman with this new "womens" ironman. Photo order is confusing (couldn't figure out how to change that). They are: (1) side-by-side, mens on left, (2) mens band (wider and clasp is off-center on my wrist, end of band hangs over the edge of my wrist -- too long for me -- catches on things), (3) womens band (less wide, clasp is more centered on my wrist and end does hang over edge of my wrist), (3) womens watch (smaller, and looks new), and (5) mens watch, looking a little beat up.
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Reviewed in the United States on August 5, 2017
★★★★★ 5
Watch holds up in saltwater!
Color: Black/Gray
I bought this watch to use for my trip to the Galapagos Islands. I read two reviews that the watch does not hold up in salt water. I went snorkeling in the ocean 6 times, about 45 minutes each time. The watch did not leak. I did take precautions by keeping the watch under my rash guard and lowering myself slowly into the water. I also rinsed off my watch each time I snorkeled. I also bought this watch for the multi time zone feature by saving the time on the west coast, east coast and Galapagos time since I cannot change the time on my Fitbit until I land in an airport. I did not use any other features of the watch because I generally use my phone or Fitbit for an alarm or timer. The only complaint I have is that Timex now discourages changing the battery by the consumer. I changed the battery myself on my old Ironman watch. The new Ironman watch is fitted with triangular head screws. So I will have to purchase screwdrivers with triangular heads when it comes time to change the battery.
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Reviewed in the United States on February 26, 2025
★★★★★ 5
Reliable and durable, even in harsh conditions
Color: Black/Gray
This watch has served me very well. From Arctic waters to long distance races, it has held up to everything except one task I asked of it, which was my fault.
This watch can handle repeated free dives to 12 ft deep. It cannot handle scuba diving at the same depth for an hour straight without needing to have the battery shorted to reset it.
It fits well, lights up consistently and brightly enough to read without being blinding, keeps accurate time, and generally does everything I want it to.
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Reviewed in the United States on May 24, 2025
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