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Polk Audio db1040DVC

db Series 10" subwoofer with dual 4-ohm voice coils

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  • Polk Audio db1040DVC

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Our take on the Polk Audio db1040DVC

by Dominic Devito
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.

Polk Audio's db Series subwoofers give you trademark Polk performance without stressing your wallet. These subs combine high-tech materials with a laser-optimized motor structure for smooth, powerful bass response.

The db1040DVC 10" subwoofer boasts a rigid polypropylene cone and durable Santoprene™ surround built to handle big power over the long run. Polk Audio tests their subs rigorously for environmental effects caused by sun, moisture, and extreme temperature changes.

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The dual 4-ohm voice coils allow you to wire your system to draw max power from your mono amp or to safely hook up multiple subs. Match a db sub to a suitable enclosure, and enjoy impressive low-frequency performance rarely found in this price range.

Note: If you are wiring this DVC sub for lower impedance, make sure that your amp is compatible. Most 2-channel car amplifiers are stable down to 2 ohms in standard mode, or 4 ohms in bridged operation.

To drive this single subwoofer, we recommend a mono amplifier rated between 200 and 400 watts RMS at 2 ohms. For more information, please refer to our article on How to Match Subwoofers and Amplifiers.

Highlights:

  • 10" subwoofer with dual 4-ohm voice coils
  • polypropylene cone with Santoprene rubber surround
  • power range: 50-270 watts RMS (135 watts per coil)
  • peak power handling: 540 watts
  • frequency response: 28-200Hz
  • sensitivity: 86 dB
  • top-mount depth: 5-7/16"
  • sealed box volume: 0.66 cu. ft.
  • ported box volume: 1.25 cu. ft.
  • Recommended Q-Logic Box Type: 1, 2, 3
  • warranty: 1 year
  • Our 60-day money-back guarantee

Priced per speaker

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

Features and Specs
Size 10 -inch
Impedance 4 ohms
Cone Material Polypropylene
Surround Material Santoprene rubber
Ideal Sealed Box Volume (cubic feet) 0.66
Ideal Ported Box Volume (cubic feet) 1.25
Port diameter (inches) 4
Port length (inches) 12
Free-Air No
Dual Voice Coil Yes
Sensitivity 86 dB at 1 watt
Frequency Response 28 - 200 Hz
RMS Power Range (Watts) 50-270
Peak Power Handling (Watts) 540
Top Mount Depth (inches) 5 7/16
Bottom Mount Depth (inches) 5 7/8
Cutout Diameter or Length (inches) 9 1/16
Vas (liters) 30.29
Fs (Hz) 35
Qts 0.62
Xmax (millimeters) 0
Parts Warranty 1 Year
Labor Warranty 1 Year
Product Research
What's in the box?

Download owner's manual

  • One 10" DVC woofer
  • 1 Rubber gasket (installed)
  • 8 Mounting screws
  • Manual (English/Spanish/French)
  • Online registration sheet

Scratch & Dent items may be missing non-essential accessories. In some cases the manufacturer's accessories have been replaced with generic equivalents.

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

Dual 4-ohm Voice Coils: This woofer features dual 4-ohm voice coils that offer flexibility in wiring. When the voice coils are wired in parallel with each other, the woofer presents a 2-ohm mono load. When the voice coils are wired in series with each other, the woofer presents an 8-ohm mono load. In addition, each coil may be connected to a different amplifier channel and each channel will see a 4-ohm load.

Polypropylene Cone: The cone is made with polypropylene, which provides durability while being lightweight and rigid. The cone is supported by a vented cone/coil coupler, which stiffens the cone for greater mechanical stability and lower distortion.

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

NOMEX Spider: The fire-retardant flat NOMEX Spider allows extended linear motion while providing highly reliable mechanical and thermal stability.

Triple-vented Kapton Voice Coil Former: Triple venting of the 4-layer Kapton Voice Coil Former, Cone/Coil Coupler and Pole Piece contribute to the high power handling and reliability of the db Series subs.

Klippel Laser Analyzed: The Polk db woofer's voice coil alignment, motor, and suspension are optimized using a state-of-the-art Klippel laser analyzer for superior cone travel linearity, resulting in a flatter response with lower distortion.

Break-In Period: Polk db subwoofers will achieve even greater performance once they are thoroughly broken-in. To break in a new db Sub, play music through it for 20 to 30 hours at moderate levels.

Enclosure Compatibility

Recommended Sealed Box Volume: Polk recommends mounting this woofer in a sealed enclosure made out of 3/4" MDF with an internal volume of 0.66 cu/ft.

Recommended Ported Box Volume: Polk recommends a ported enclosure made out of 3/4" MDF with an internal volume of 1.25 cu/ft using a 4" diameter x 12" long port.

Recommended Bandpass Box Volume: Polk recommends a bandpass enclosure made of 3/4" MDF with a total internal volume of 1.65 cu/ft. The bandpass box should have a 0.80 cu/ft sealed rear chamber and a 0.85 cu/ft ported front chamber with 4" diameter x 9" long port.

 
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Polk Audio db1040DVC Reviews

Average Customer Review:

13 people say:

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5 out of 5

Great sound for a great price

Written By JetFixr, Altamonte Springs, FL on Tuesday, October 14, 2014
Crutchfield Customer Review (What's this?)
 
This sub is being driven by a Sound Ordnance M-1350 amp in my '98 Corvette. I mounted in a sealed stealth sub box that's .81 cubic feet installed in the center compartment under my trunk. I wired the two voice coils in parallel to yield a 2 ohm impedance. This sub sounds great! Excellent price by Crutchfield too. It's not really broken in yet (the manual says 30 hours of play time to break in), but I'm still in love with it. Buddy in customer service recommended it and I'm sure glad he did.
Pros:
Sharp bass hits, good sound, really sharp looking appearance, very easy to install. I'd buy another one in a heartbeat!
Cons:
Use caution when mounting the sub in your box. It comes with Allen type lag screws. Be sure they're going in straight or the head can deform the cut out in the mounting ring.
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5 out of 5

Awesome subs

Written By kamo, kent, wa on Wednesday, October 08, 2014
Crutchfield Customer Review (What's this?)
 
I just bought 4 these polks to throw in my truck because I was lookin for some good bass and a couple people recommend these to me, and man am I glad they did cause I love these things! They hit so hard especially with my amp. I have the amp turned way down cause they were shakin my truck and everyone else's car around me it was pretty great.
Pros:
Hits hard Great design Doesn't need massive juice to work properly Fits in a small wedge box Easy hook up Pretty good price Look great
Cons:
None
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"Coolness Factor"
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5 out of 5

nice quality sub especially for the price

Written By Anonymous, pacifica, ca on Friday, August 15, 2014
Crutchfield Customer Review (What's this?)
 
I had to replace my jl audio 10w3 dual voice coil sub in my mustang jl audio stealth box. It lasted me a good 13 years. The Polk Audio db popped right in and looks nice. Build quality seems really good. The sensitivity seems really good also and the bass in my Mustang is back! Hard to fairly compare the jl 10w3 because of its old age but this Polk sub definitely sounds great in the jl stealthbox and saved me around 2 bills. I hope it will last as long as the jl.
Pros:
Price Build quality Sound Looks
Cons:
None
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5 out of 5

I missed Polk Audio

Written By TCK, Emmett Idaho on Tuesday, July 22, 2014
Crutchfield Customer Review (What's this?)
 
I'm still breaking them in but they handle 1 ohm like a dream they don't miss a beat. I miss their car audio selections.
Pros:
Hit like they mean it
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"Coolness Factor"
Build Quality
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5 out of 5

What a DEAL..!!! Polk Audio db's

Written By One Braddah, Koloa, Hawaii 96756 on Saturday, June 07, 2014
Crutchfield Customer Review (What's this?)
 
I always was a FAN of Polk Audio, but didn't want to spend the money... So when I seen this "DEAL" I jumped on it... After listening to my setup, my friend ordered.....
Pros:
The speaker is built pretty solid w/ a fat rubber surrounding ... The dust cap design is cool an stylish..
Cons:
Still has old style terminal's.. They give screws, but no Allen wrench bit.. Took time to bolt them in box, but I guess less chance of a slippage to poke your Polk... Lol *The sound makes up for it... Bass is clean & Deeeep!!
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5 out of 5

So far, so good

Written By Anonymous, ForestLake, MN on Saturday, June 07, 2014
Crutchfield Customer Review (What's this?)
 
Only reason I gave the "value" category a 5 star is because I got this sub half price. Within the first minute of hearing this thing I smelled heating up.... made me very nervous. But maybe it was some excess glue on the rubber? I thought it was gonna blow, but it has held up for a week so far with a Rockford fosgate 500watt amp powering it. Only have the gain half way up on the amp BTW. Otherwise you will probably blow the sub. I would not spend what these guys are asking.. maybe 10 or 20 bucks less. But like I said got it half price.
Pros:
Good highs
Cons:
Smelled heat..but went away..still nervous on it blowing
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4 out of 5

10 inch sub

Written By Eru, Hollywood, FL on Sunday, October 13, 2013
Crutchfield Customer Review (What's this?)
 
This is a good sub that replaced my cheap Sony Sub. Just played some RUN DMC and it sounded fantastic.
1 out of 1 people found this helpful
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5 out of 5

Polk Audio db1040DVC

Written By Anonymous, ny on Saturday, May 12, 2012
Crutchfield Customer Review (What's this?)
 
GREAT REPLACEMENT SUB
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5 out of 5

Good Free Air Sub

Written By Glenn, Phoenix, AZ on Sunday, March 21, 2010
Crutchfield Customer Review (What's this?)
 
I have a Lexus GS 430 that has a factory sub in the rear deck. The factory sub blew out and everyone told me I needed to buy a "free air" sub or it will sound terrible. The second problem I encountered is all the manufacturers stopped making free air subs. I did not want a box taking up trunk space. The adviser at Crutchfield evaluated my situation and current factory system and recommended this sub along with a Kenwood amp. He said it will not work optimally but it will sound good. He was right! The sound and base is fantastic!
2 out of 2 people found this helpful
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5 out of 5

polk audio db series

Written By Ryan, lexington, ky on Wednesday, February 03, 2010
 
very wallet friendly yet very powerful. I have one installed in my 2001 grand prix in a 1.25 cubic ft ported box facing forward of the car. Its hooked to a cheap 250w Sony Xplod amp and running at 8 ohms and this thing packs a huge punch, for a 10". and im sure it can get louder and deeper with a better amp. It adds all the low's ive been looking for without breaking the bank. im also running db series component speakers front and back, best sounding setup ive ever done.
1 out of 1 people found this helpful
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3 out of 5

Unfortunate

Written By SenorStereo, Colorado on Wednesday, June 10, 2009
Crutchfield Customer Review (What's this?)
 
It was quite unfortunate that after taking the time to build a box, carpet the thing, then install it in my new boat that I put this sub into the box and there was something wrong with the sub. It made good clean bass, but there was a rattle in the dust cap.

I was disappointed after owning so much other Polk Audio equipment and it being completely trouble free. I will buy Polk again, but after this experience it knocks them down a couple of points in my head.

Crutchfield of course was on top of things. They took the sub back no questions asked and I am getting a replacement MTX 10". Thank you for the trouble free replacement Crutchfield!
2 out of 8 people found this helpful
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4 out of 5

Decent boom for the buck

Written By firsttraxx, San Jose, Ca on Monday, January 26, 2009
Crutchfield Customer Review (What's this?)
 
These sound pretty good. Bass is a little muddy at low volumes, but that's likely a side effect produced by the enclosure. Otherwise, great response, solid performance with 500 watts dedicated to the pair.
1 out of 1 people found this helpful
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5 out of 5

Great Replacement Speaker

Written By Bryan, Honey Brook, PA on Sunday, January 18, 2009
Crutchfield Customer Review (What's this?)
 
I purchased this sub to replace an old 10" Advent sub in my home theater system that blew out after 8 years of hard use. Crutchfield's detailed specs (such as the exact cutout diameter) meant that I could purchase a sub driver that would fit my enclosure without any modifications.

The sub is installed and working fantastically. Frequency response is great, and it has restored that low end punch in my movies and video games. Bass response is tight. It's installed in a ported enclosure with a volume of about 1.5 cubic feet.

Very sturdy design, and highly recommended.
4 out of 6 people found this helpful
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1 question already asked

What is the best amplifier for a pair of these subwoofers? [ Crispy  Mar 22, 2014 ]
3 answers
  • I am powering with an Alpine MRX-V60 5-channel amp. You can definitely put more power to the sub with a dedicated mono amp, but my space for amps is limited and it does just fine for me. Smooth, clean sound in a sealed box. [ Chad   Mar 23, 2014 ]
  • I'm using a Rockford Fosgate Punch P500-1bd. It's a 500 watt 1 ohm amp wired to two subs in parallel. When I bought my subs the advisor said my amp was a little under power for what they could handle, but it seems to push them pretty well. I have no complaints. [ MICHAEL   Mar 22, 2014 ]
  • 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 Staff  Mar 22, 2014 ]

Add accessories for the Polk Audio db1040DVC

We've verified that these enclosures are a good match for this subwoofer. See all categories & accessories

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Polk Audio db10G 10" subwoofer grille
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Polyester Fiber Stuffing Make your subwoofer think it's in a bigger box (1-pound pack)
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Metra Speaker Terminal Round terminal cup with binding post connectors (for do-it-yourself box builders)
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Metra Speaker Terminal Square terminal cup with binding post connectors (for do-it-yourself box builders)
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Metra Speaker Terminal Square terminal cup with spring clip connectors (for do-it-yourself box builders)
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Port Tube 4" diameter, 4-1/2" long
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