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Alpine R-W12D4

R-Series 12" subwoofer with dual 4-ohm voice coils

Item # 500RW12D4

For those who like it loud, Alpine salutes you! Their legendary R-Series subwoofers are made to bring powerful bass...

For those who like it loud, Alpine salutes you! Their legendary R-Series subwoofers are made to bring powerful bass...

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Item # 500RW12D4

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$249.95 each

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About the Alpine R-W12D4

Maximum bass output

For those who like it loud, Alpine salutes you! Their legendary R-Series subwoofers are made to bring powerful bass to just about any vehicle. The R-W12D4 12" sub features a cone made from Kevlar® treated pulp — the same material used to make bulletproof vests — while its durable Santoprene™ surround allows for huge amounts of excursion. Alpine built this sub for bassheads who want the best of both worlds: accurate response and otherworldly thump.

Maximum bass output

For those who like it loud, Alpine salutes you! Their legendary R-Series subwoofers are made to bring powerful bass to just about any vehicle. The R-W12D4 12" sub features a cone made from Kevlar® treated pulp — the same material used to make bulletproof vests — while its durable Santoprene™ surround allows for huge amounts of excursion. Alpine built this sub for bassheads who want the best of both worlds: accurate response and otherworldly thump.

Bring on the power

The R-W12D4 can handle up to 750 watts RMS, so be sure to choose a suitable amplifier as these bass monsters definitely want lots of power. Its dual oversized 4-ohm voice coils offer wiring flexibility you'll appreciate as your system changes and grows, so you can always pull maximum power from your amp. It works well in sealed and ported enclosures so you can choose what kind of bass you want to hear and feel.

Note: If you are wiring this DVC sub for lower impedance, make sure that your amp is compatible.

To drive this single subwoofer, we recommend a mono amplifier rated between 560 and 1125 watts RMS at 2 ohms. For more information, please refer to our article on How to Match Subwoofers and Amplifiers.

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Product highlights:

  • 12" subwoofer with dual 4-ohm voice coils
  • Kevlar reinforced pulp cone with HAMR Santoprene rubber surround
  • frequency response: 24-200 Hz
  • power handling: 750 watts RMS (375 watts per coil)
  • peak power: 2250 watts
  • top-mount depth: 6-3/8"
  • grille not included
  • warranty: 1 year
  • Our 60-day money-back guarantee
  • top-mount depth: 6-3/8"
  • MFR # R-W12D4
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What's in the box:

  • One 12" Dual 4-ohm voice coil subwoofer
  • 1 Rubber concealing ring (installed)
  • Two 3" jumper cables (each has a single banana connector on each end)
  • R-Series Subwoofer Application Guide (English/ French)
  • On-line product registration information (English/ French/ Spanish)
  • Warranty information (English/ French)
  • Important Notice! (English/ French)

Customer reviews

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Alpine R-W12D4 reviews

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Alpine R-W12D4

Crutchfield customer from Saint Anne, IL on 6/12/2019

2019 BMW 5 Series

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Sounds great!

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Alpine R-12D4

JR from Center Point, AL on 5/20/2019

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To me this sub sounds better than any subwoofer you'll find on this site with exception to the super high end subs that will run over $900 a piece. I've had JL, Rockford & kicker 12" subs & the R series Alpine subs are better in my opinion,l. They will take a hard beating & they sound & look really good. You can't go wrong with this sub.

Pros: Sounds awesome & looks great. They come with a rubber gasket that covers the mounting screws.

Cons: Only handles 750 watts. I guess if you want one that will handle more power you have to move up to the X series.

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2 of 2 found this helpful

Alpine R12D4

JD from Birmingham , AL on 5/20/2019

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It's built exceptionally well & can handle a beating. You won't be disappointed with these subs. I've had Kicker, JL & Rockford subs & I would rather have Alpine R series over most all others.

Pros: The best sub you can buy in this price range.

Cons: 750 Watts RMS. If that's a con, I guess you have to move up to the X series if you need more wattage...

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1 of 1 found this helpful

Alpine R-W12D4

Crutchfield customer from Macksville, KS on 1/30/2019

2012 Ford F-250

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Great sub for the money clean looking and hits like a hammer!

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Alpine R-W12D4

Crutchfield customer from San Antonio, TX on 1/22/2019

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Exactly as I expected. Awesome sound, still going easy on them but so far very impressed

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0 of 0 found this helpful

Great SQ/SPL Sub

Matt from Allentown pa on 10/13/2018

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Had a custom box 1.7cu ft. built to alpine recommended specs. It sounds fantastic and clean. This is a great SQ/SPL Sub when tunes correctly with your stereo system. I had to get a bigger amp. Powering it with an arc audio xdi1000.1 amp running at 2ohm 650w but actually putting 762w on dyno. When I had my kicker 600w amp pushing it with volume it would distort not enough power. More power corrected that. They do need the RMS 750w. Very happy with it.

Pros: Great clarity, good SQ with right box and amp. Hits very hard.

Cons: None that I can think of.

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4 of 4 found this helpful

Alpine R-W12D4

casey from Elmore City, OK on 8/8/2018

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Great sound. Worked perfect in my Dodge pickup.

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Alpine R-W12D4

Jordan from Spokane, WA on 3/30/2018

2002 Subaru Impreza WRX

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the perfect speaker to complete my alpine system in my subaru! hard hitter for sure.

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1 of 1 found this helpful

Excellent range

Jason from Madison, IN on 3/18/2018

2007 Ford Mustang

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So far so good. Still breaking it in, but it climbs much higher to meet my Focal PS165 V1's than my cheapo Fosgate did. I was actually shocked at how well it got into the 90 's without losing clarity at the low end. You get what you pay for, I guess. LOL

Pros: Hits harder than your drunken uncle Larry. Awesome setup to cover the screws, especially with the optional grill installed. With the grill it looks very professional.

Cons: None so far. Still breaking it in.

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3 of 5 found this helpful

Great!

Crutchfield customer from Allentown, PA on 1/10/2018

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After my Alpine SWRD4's gave out on me I decided to go with these. Turned the gain down a hair and dropped them in the box I made for the gen 5's. Couldn't be happier!

Pros:

Cons: None

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2 of 2 found this helpful

Absolutely amazing awesome sub!!!

Justin S from Arkansas City, KS on 12/23/2017

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This thing pounds... This beast truly takes 750 watts rms... From experience this is the best, cleanest, low and loud sub you can buy for the $! I have purchased 2 of these subs for my ram 1500 single cab... I run each of these BEAST @ 2 ohms with a Rockford Fosgate R500X1D... These amps truly run @ 635 watts rms... 635 Watts is perfect for these subs! This system is amazing, if you want an awesome reasonably priced sub and amp, go with this set up! You will not regret it, guaranteed...

Pros: Amazing lows, punch, pounds, loud, clean, sturdy, powerful, amazing!

Cons: Nothing

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4 of 6 found this helpful

The best of the best!

Dalton from Morganton, NC on 12/16/2017

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Absolutely amazing in every way, was a perfect fit in the box, looks stunning and sounds better than everything ive had, and ive gone threw some sets up but these take the cake.

Pros: Everything, looks, sounds compatability, everything about these subs is amazing

Cons: None

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3 of 3 found this helpful

Alpine R-W12D4

Crutchfield customer from El Mirage, AZ on 9/13/2017

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First Alpine sub ive owned nice deep sound very loud , may have to go to a dual sub in my car very clean sound ,love it

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More details on the Alpine R-W12D4

Pat M.

Product Research

Features
Enclosure Compatibility

Features

Kevlar Reinforced Pulp Cone: This Alpine R-Series subwoofer has a parabolic, Kevlar reinforced pulp cone. Kevlar adds strength and tear resistance to the woofer cone while maintaining the benefits of a pulp cone design. There is also an inverted polypropylene/mica/talc dust cap, which increases rigidity.

HAMRS: The woofer features a High Amplitude Multi Roll Surround (HAMRS), made of rubber, that allows a large linear excursion and greater SPL. The HAMRS design allows extreme excursions without sacrificing valuable cone area.

Progressive Spider: The progressive spider has reinforced layer tinsel leads to ensure reliable and consistent control of the tinsel leads and eliminate any mechanical noise or interference often seen in high excursion cone designs.

Compound Radius Curve Pole Geometry: Alpine's Patented Compound Radius Curve pole geometry ensures a symmetrical magnetic field, while optimizing flux density to reduce distortion and further improve power handling and output.

Oversized Voice Coil: The oversized (65mm), high-temperature, 4-layer dual voice coils increase the sub's power handling.

Dual Voice Coils: For system flexibility, the woofer has two 4Ω voice coils. When the voice coils are wired in parallel, the woofer presents a 2Ω load; when wired in series, the woofer presents an 8Ω load.

Spring Terminals: The spring post terminals are all located on one side of the woofer. The terminals will accept bare wire up to 8 gauge, pin connectors, or single banana plugs.

Jumpers: Included with the woofer are two voice coil terminal jumpers. These jumpers allow you to easily wire the voice coils in parallel (for a 2Ω load) or series (for an 8Ω load).

Enclosure Compatibility

Sealed Box Volume: The recommended sealed box volume ranges from 0.65 cubic feet to 1.1 cubic feet, with 0.85 cubic feet being the ideal size. (The volume in the manual is given as net, before accounting for the displacement of the subwoofer when installed.)

Ported Box Volume: The recommended ported box volume ranges from 1.33 cubic feet to 1.83 cubic feet. The ideal size is 1.71 cubic feet, using a slot port measuring 12.5" (Width) x 1" (Height) x 16" (Length). (The volume in the manual is given as net, before accounting for the displacement of the subwoofer and slot port.)

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Customer Q&A

Q
Crutchfield asked: Why did you buy this?
A
Rms power rating and because I like alpines products [ Kevin  Jun 22, 2019 ]
A
had last generation of alpine type R, worked great. [ Nicholas  Feb 04, 2019 ]
A
Lots of power. Can do the job of two subs and save space [ Nancy  Aug 22, 2018 ]
A
Love it [ Ryan  Aug 17, 2018 ]
A
Great Subwoofer. Had this type of 12 in subwoofer for many years. [ MARC O  Jul 28, 2018 ]
A
TYPE - R and buy one get one half off [ Zachary  Jun 25, 2018 ]
A
Have been looking at these for awhile when they went buy one get 1 half off i couldn't refuse. [ Ryan  Jun 07, 2018 ]
A
Have had two of these in the past 4 years. Let someone talk me into getting a JL W3 saying it was a far superior sub and was seriously disappointed. Don't waste your money on a JL, get the type R in the first place. [ Nick  Apr 22, 2018 ]
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3 questions already asked

Q
what size coil does this sub woofer have?
[ jimmy  Feb 04, 2019 ]
1 answer
A
@ least 2" check their website or call alpine themselves. They do their rated power & some, so it's usually not an issue
[ Jason  Feb 04, 2019 ]
Q
Best Amp to push these ?
[ Uncle Joe  Jun 22, 2018 ]
1 answer
A
Thanks for your question. For information on selecting the best amp for your subs I would recommend reaching out to an Advisor by phone (1-800-324-9695) or online chat. They will be able to help determine the differences between the amp models and help you make the best choice for your system.
[ Krissy  Jul 02, 2018 ]  Staff
Q
What is the difference between the type r and the r-series? which one will play cleaner low bass?
[ Miguelsd  Nov 27, 2017 ]
1 answer
A
I have both going now but ill test them out separately tonight and submit my opinion in another answer.
[ Daniel  Nov 27, 2017 ]

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