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Polk Audio DXi 124

DXi Series 12" 4-ohm subwoofer

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Item #: 107DXI124S
 

Review Summary

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Original price $99.99
We recommend this similar item, or shop all Component Subwoofers
 
 
 
 
 

Our take on the Polk Audio DXi 124

by Jo Greene
Polk Audio

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.

Go ahead, circle the parking lot till your favorite song is over. Polk Audio's DXi Series subs will make you want to hit "repeat" so you can hear it all over again. Polk uses a high-tech approach and ideal materials to give your tunes an exciting new edge.

Exacting standards — precise engineering where it counts
The DXi 124 12" sub features a stiff polypropylene cone and sturdy large roll butyl rubber surround, so you can ride the bass wave for years to come. Engineers at Polk analyze drivers in motion to ensure that cone movement is even and precise, so you'll get impressive thump with minimal distortion. Polk also uses laser imaging to craft woofer cones that are perfectly balanced to resist distortion-causing resonances.

Pair this sub with the right amp and wiring, then strap yourself in for a serious low-frequency ride.

See more info on this item

Highlights:

  • 12" 4-ohm subwoofer
  • polymer composite cone with butyl rubber surround
  • power range: 50-360 watts RMS
  • peak power handling: 720 watts
  • frequency response: 27-200 Hz
  • sensitivity: 88 dB
  • top-mount depth: 6-1/16"
  • sealed box volume: 0.88 cu. ft.
  • ported box volume: 1.5 cu. ft.
  • warranty: 1 year
  • Our 60-day money-back guarantee

Hands-on research from the Crutchfield Labs (what are the Labs?)

Features and Specs
Size
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12 -inch
Impedance
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4 ohms
Cone Material
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Polymer Composite
Surround Material
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Butyl Rubber
Ideal Sealed Box Volume (cubic feet)
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0.88
Ideal Ported Box Volume (cubic feet)
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1.5
Port diameter (inches)
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4
Port length (inches)
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10
Free-Air
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No
Dual Voice Coil
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No
Sensitivity
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88 dB at 1 watt
Frequency Response
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27 - 200 Hz
RMS Power Range (Watts)
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50-360
Peak Power Handling (Watts)
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720
Top Mount Depth (inches)
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6 1/16
Bottom Mount Depth (inches)
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6 5/8
Cutout Diameter or Length (inches)
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11
Vas (liters)
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71.85
Fs (Hz)
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30
Qts
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0.44
Xmax (millimeters)
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15.8
Parts Warranty
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1 Year
Labor Warranty
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1 Year
Product Research
What's in the box?

Download owner's manual

  • One 12" Woofer
  • Rubber gasket (installed)
  • Eight 1-1/2" Allen head mounting screws
  • Manual (English/ French/ Spanish/ German/ Italian/ Portuguese)
  • On-line registration information

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 open the box, verify contents, 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.

Features
Enclosure Compatibility

Features

Poly Cone: The DXi series subs use a durable polymer composite cone. The cone is both lightweight and rigid, and will withstand the harsh automobile environment.

Butyl Rubber Surround: The butyl rubber surround is resistant to extremes in temperature, humidity, and exposure to sunlight for excellent long term reliability.

Dynamic Balance Driver Technology: Dynamic Balance is a proprietary Polk Audio technology using laser imaging to determine what combination of speaker materials create the least resonance. Eliminating resonance in speakers results in a wide, smooth response and low distortion.

Klippel Optimized: For a driver to reproduce complex sounds accurately, the cone must move exactly the same distance and manner in both directions. The Klippel distortion analyzer, a device that uses a laser and sophisticated software to do large-scale analysis of drivers in motion, lets Polk optimize the speaker's motor structure, voice coil alignment, and suspension to yield the best possible performance.

Break-In Period: Subwoofers will achieve optimal performance once they are thoroughly broken-in. To break in a new DXi sub play music through it for 20 to 30 hours at moderate levels.

Enclosure Compatibility

Sealed Box Volume: Polk recommends mounting this woofer in a sealed enclosure with an internal volume of 0.88 cubic feet.

Ported Box Volume: Polk recommends a ported enclosure with an internal volume of 1.5 cubic feet using a 4" diameter x 10" long port.

Bandpass Box Volume: Polk recommends a bandpass enclosure with a 1.0 cubic foot sealed rear chamber and a 1.15 cubic foot ported front chamber with 4" diameter x 12" long port.

 
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Polk Audio DXi 124 Reviews

Average Customer Review:

5 people say:

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Filter by rating:
5 out of 5

I'm Happy With It

Written By H R, Warshington, DC on Saturday, December 15, 2012
Crutchfield Customer Review (What's this?)
 
I have absolutely no body of knowledge with which to compare this, but I am pleased with the sub. It sounds good with my existing system, but I am not exactly pushing the bleeding edge of the speakers operation. In the sense that I don't care what my music sounds like in someone else's car, it works with my mixed, entry-level system. YMMV.
Pros:
It goes "BOOM-thumpa-BOOM-boom-BOOM"
Cons:
It doesn't go "BZZT-crackle-fssssssh-bzzt-BZZT"
2 out of 2 people found this helpful
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"Coolness Factor"
Build Quality
Ease of Use
Sound Quality
Value
 
4 out of 5

Alright for the money

Written By butter, Dallas TX on Friday, July 13, 2012
 
They sound alright for the money. I have it hooked up to a 360RMS monoblock in a sealed box, but are pretty loud and provide a lot of boom in your car. However, as an audiophile, this sub is nowhere near being tight or accurate. Having the crossover set 80hz with 35% volume, it will sound pretty nice in the front, but it will be a huge bass mess in the back seat in my toyota 06 avalon. Making the sub pointing towards the car made it a little better, but I feel like the bass is still coming from the back and not part of the music spectrum.
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"Coolness Factor"
Build Quality
Ease of Use
Sound Quality
Value
 
5 out of 5

Top of the Line

Written By MaxW, Evansville on Monday, June 04, 2012
 
nothing can beat this subwoofer. Its the best purchase that I have ever made in the audio world. If you want AMAZING bass AND sound quality then get these. If you buy this, you will very much be satisfied. and dont think that you have to run it at the max power. I have a 840 watt pioneer running two of these just fine in the trunk of my grand prix
Pros:
two speaker terminals, high quality materials, AMAZING sound, no distortion, nothing but pure, crisp, clean music.
Cons:
nothing! you cant go wrong with buying this sub! buy it!
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"Coolness Factor"
Build Quality
Ease of Use
Sound Quality
Value
 
5 out of 5

Nice subwoofer and great buy!

Written By Stonecold_HTM, Overland Park, KS on Friday, April 06, 2012
Crutchfield Customer Review (What's this?)
 
Just installed two 12" Dxi 4ohm SVC in ported enclosures in my son's 2001 Yukon, wired in parallel at 2 ohms. Great build quality, sound quality, and they look bad arse! Oh, my son says "they hit hard". Just hope the Yukon hold together. Great customer service as well.
Pros:
Great build quality, sound quality, look cool
Cons:
Non, could not be happier with the pruchase
1 out of 1 people found this helpful
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"Coolness Factor"
Build Quality
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Sound Quality
Value
 
4 out of 5

Polk Audio DXi 124

Written By Kinslow, Northeast Alabama on Tuesday, August 09, 2011
Crutchfield Customer Review (What's this?)
 
After a lot of research comparing prices, rms power, sensitivity, and airspace I finally decided on this Polk subwoofer. I already had an Alpine MRP-M500 amplifier that I wanted to use and a single subwoofer box for a 12" sub that was about .75 cu. ft. of airspace. I also installed it in a small hatchback car where I use my hatch area, so I did not want to loose very much of it. I have been very pleased with this sub. It has a nice solid thump to it. I listen to a variety of music, from Slipknot and Ice Cube to Adele and I think this sub has performed well through all of it.
2 out of 2 people found this helpful
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