Alpine SWR-1522D

Type-R 15" subwoofer with dual 2-ohm voice coils

Item #: 500WR1522D

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Big and bad and built for heavy-duty sound, Alpine's SWR-1522D 15" subwoofer delivers impact bass that you can hear and feel. Alpine has taken the best features from its previous SWR Series subs and added the hottest technology for ground-pounding power and superb accuracy.

The pulp cone has been reinforced with Kevlar® (the material used in bulletproof vests) for extra rigidity, so it won't buckle under hard play. A rubber surround helps to maximize cone travel for deep bass, while standing up to the decay that can destroy a speaker. Air vents help the sub shed heat quickly for efficient operation and better power handling.

The two voice coils handle lots of power while offering system wiring flexibility. The tinsel leads are virtually unbreakable — they're woven into the spiders. An aluminum diecast frame provides a secure, non-resonant housing. The SWR-1522D is designed for use in sealed or ported enclosures.

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 575 and 1125 watts RMS at 4 ohms. For more information, please refer to our article on How to Match Subwoofers and Amplifiers.

Note: Sorry, Crutchfield cannot ship Alpine products to Guam or Puerto Rico.

Product Highlights:

  • 15" subwoofer with dual 2-ohm voice coils
  • Kevlar-reinforced pulp cone with Santoprene rubber surround
  • cast aluminum frame with perimeter venting
  • power range: 400-750 watts RMS (2000 watts peak power)
  • frequency response: 18-400 Hz
  • sensitivity: 87 dB
  • mounting depth: 9-5/16"
  • sealed box volume: 1.3-2.5 cu. ft.
  • ported box volume: 1.5-3.0 cu. ft.
  • warranty: 1 year
  • Our 60-day money-back guarantee

What's a component sub and why would I want one?

A component sub is simply a speaker that's designed to reproduce bass once it's installed in a compatible enclosure. Think about the impact of a movie soundtrack in a big theater or even in your own home HDTV setup. A component sub can add the same kind of power to the music in your car. And a car sub is not all about the boom that you hear on a street corner (although that's cool too) - you can pair a component sub with your choice of enclosure to get bass just the way you like it, from tight and punchy to fat and loose. And once you experience music in your car with a well-tuned subwoofer, you'll never go back.

Alpine SWR-1522D Reviews

Average Customer Review:

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Written By Spoon, Ohio on Tuesday, June 23, 2015

Crutchfield Customer Review (What's this?)

  • "Coolness Factor"
  • Build Quality
  • Ease of Use
  • Sound Quality
  • Value

LOUD THUNDEROUS BASS!! you WILL DEFINETLY be heard AND felt with just one of these! if you want that extra deep, hard pounding, car flexing bass then believe me when I tell you to buy this sub! you won't be disappointed at all! The bass that this sub delivers is definitely for the bassheads!. sound quality is as I rated 5 of 5 stars! easy to hook up as well! nice and clean bass as well! some friends of mine told me they can hear me coming but never know from which way lol! high quality subwoofer! the build is nice n heavy for the nice and heavy bass it delivers! definitely will get some loud music tickets if you aren't careful lol

Pros: EXTRA deep bass! HITS KRAZY HARD in a ported box!! 10 OF 10 satisfaction for me!

Cons: NONE

Simply The Best!!

Written By Dash, Eastpointe, Mi on Saturday, October 25, 2014

  • "Coolness Factor"
  • Build Quality
  • Ease of Use
  • Sound Quality
  • Value

I have two of these subs in a 04' Grandprix. They pound so hard in a ported box, feels like my car is gone to fall apart. I highly recommend these subs to the bass heads out there. Lol.


Written By nez, Mission, KS on Tuesday, October 14, 2014

Crutchfield Customer Review (What's this?)

  • "Coolness Factor"
  • Build Quality
  • Ease of Use
  • Sound Quality
  • Value

Just got this sub and hooked it up it is perfect... I have had every type of sub out there... alpine is the way to go...

Type R is great performer

Written By nemocom, United States on Thursday, June 19, 2014

  • "Coolness Factor"
  • Build Quality
  • Ease of Use
  • Sound Quality
  • Value

One of my favorite subs of all time. I prefer the 12" over the 15 but its all good. This sub hits all the frequencies just the way I like it. You really can't go wrong with this sub if you're looking for an SQL in the medium power range. The Sound Quality is just to my liking as is the Level or loudness but you should always rely on the best review possible - your ears. Sometimes, what one likes another person dislikes. You can rely on your ears to tell you weather or not you like what you hear. Simply find out it you want a sub that is an SPL forloudness or SQ for souand quality. I prefer a mixture or blend so to say, SQL. Great sound quality and still very loud if you want. I recommend this sub whole heartedly.

Pros: Very good at doing it all.

Cons: Yet to find one other than price but you get what you pay for usually and sometimes even quite a bit more as with this sub.

Type r is awesome

Written By rocha95son, Council Bluffs, Ia on Thursday, March 14, 2013

  • "Coolness Factor"
  • Build Quality
  • Ease of Use
  • Sound Quality
  • Value

My buddy bought one and it is awesome! sounds sick

Pros: Sick works good.

Cons: Everything he got was expensive

Hands-on research

What's in the box?

Download owner's manual

  • 15" Subwoofer
  • Rubber concealing ring
  • Two 3" jumper cables (each cable has a banana plug on each end)
  • Type-R Subwoofer Application Guide (English/French)
  • Warranty information
  • On-line product registration information
  • Notice about matching amplifier

Product Research

Enclosure Compatibility


Kevlar Reinforced Pulp Cone: This Alpine Type-R subwoofer has a two-piece structural 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 oversized inverted poly-mica dust cap, which increases rigidity and virtually eliminates cone distortion at extreme volume levels.

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

Cast Aluminum Frame: The woofer is mounted to a custom cast aluminum frame for added strength. This high mass frame also dissipates heat quickly to make it an integral part of the woofer's thermal management system.

Mirrored Progressive Nomex Spiders: This subwoofer has twin mirrored progressive Nomex spiders for added durability and mechanical stability. The custom progressive rolls give the woofer a longer, more linear stroke with maximum centering and restoring force. Special edge control design and Nomex construction provide excellent tear resistance, strength and long-term reliability. The woofer has integrated tinsel speaker leads that are woven into the spiders for the one-sided terminal layout.

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 Coils: The oversized (65mm), high-temperature, 4-layer dual voice coils offer increased power handling to 750W RMS / 2000W Peak.

Dual Voice Coils: For system flexibility, the woofer has two 2-ohm voice coils. When the voice coils are wired in parallel, the woofer presents a 1-ohm load. When the voice coils are wired in series, the woofer presents a 4-ohm 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 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 1-ohm load) or series (for a 4-ohm load).

Enclosure Compatibility

Sealed Box Volume: The recommended sealed box volume ranges from 1.3 cubic feet to 2.5 cubic feet, with 1.75 cubic feet being the ideal size.

Ported Box Volume: The recommended ported box volume ranges from 1.5 cubic feet to 3.0 cubic feet. The ideal size is 2.9 cubic feet, using a slot port measuring 15" (W) x 1.5" (H) x 27" (L).

Our Product Research Team

At Crutchfield, you'll get detailed, accurate information that's hard to find elsewhere. That's because we have our own in-house Product Research team. They verify what’s in the box, check the owner's manual, and record dimensions, features and specs. We stay on top of new products and technologies to help people make informed choices.