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Kicker 40CWD82

CompD Series 8" subwoofer with dual 2-ohm voice coils

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Our take on the Kicker 40CWD82

by John Pollard
Kicker

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.

Legendary bass, awesome price

If you're looking to add some boom to your car's sound system, Kicker's CompD line will get your car shaking without draining your wallet. These subs are the latest in the legendary Kicker Comp line that started in 1986, with a proven pedigree when it comes to delivering powerful bass.

Side-view of Kicker 40CWD82 8" sub

The heavy steel basket cuts down on unwanted vibrations.

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Kicker technology at work

Kicker's 40CWD82 8" subwoofer features a flex-resistant polypropylene cone for hard-hitting lows without distortion, while the ribbed foam surround promotes long excursion and helps to keep the cone on target. The sub's steel basket provides a reliable foundation for big bass, and its extensive venting ensures long-lasting performance that won't break down when the bass gets heavy.

Easy to add to nearly any setup

This sub handles up to 200 watts RMS to bring out the depth your music's been missing, and its dual 2-ohm voice coils give you more wiring options when setting up your system. This versatile sub works well in sealed or ported enclosures, and it's even suitable for free-air applications. 

To drive this single subwoofer, we recommend a mono amplifier rated between 150 and 300 watts RMS at 4 ohms. For more information, please refer to our article on How to Match Subwoofers and Amplifiers.

Highlights:

  • 8" subwoofer with dual 2-ohm voice coils
  • injection-molded polypropylene cone
  • ribbed foam surround
  • suitable for free-air use
  • power handling: 50-200 watts RMS (100 watts per coil)
  • peak power handling: 400 watts
  • frequency response: 30-500 Hz
  • sensitivity: 85.6 dB
  • top-mount depth: 3-7/8"
  • sealed box volume: 0.50 - 1.20 cu. ft.
  • ported box volume: 0.66 - 1.20 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 8 -inch
Impedance 2 ohms
Cone Material Polypropylene
Surround Material Polyurethane
Ideal Sealed Box Volume (cubic feet) N/A
Ideal Ported Box Volume (cubic feet) N/A
Port diameter (inches) N/A
Port length (inches) N/A
Free-Air Yes
Dual Voice Coil Yes
Sensitivity 85.6 dB at 1 watt
Frequency Response 30 - 500 Hz
RMS Power Range (Watts) 50-200
Peak Power Handling (Watts) 400
Top Mount Depth (inches) 3 7/8
Bottom Mount Depth (inches) N/A
Cutout Diameter or Length (inches) 6 15/16
Vas (liters) 18.54
Fs (Hz) 40
Qts 0.54
Xmax (millimeters) 0
Parts Warranty 1 Year
Labor Warranty 1 Year
Product Research
What's in the box?

Download owner's manual

  • One 8" Dual 2-ohm voice coil subwoofer
  • Six 0.25" Crimp on quick slide terminals
  • Owner's manual
  • 2 Kicker decals
  • Template on box

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.

Subwoofer Features
Enclosure Compatibility

Subwoofer Features

Dual Voice Coils: For increased system flexibility, the woofer has two 2Ω voice coils. When the voice coils are wired in parallel, the woofer presents a 1Ω load. When wired in series, the woofer presents a 4Ω load.

Ribbed Surround: The optimized ribbed polyurethane helps eliminate flex and distortion.

Spiralead Tinsel Leads: The durable Spiralead tinsel leads are woven into the woofer's spider, for added strength and reliability.

Steel Basket with Vented Pole Piece: The steel basket's vented pole piece and Kicker's Quad Venting slots contribute to the woofers' efficient cooling and durability.

Speaker Terminals: Each speaker terminal has two 0.25" push-on terminals (crimp-on quick slides included).

Enclosure Compatibility

Enclosure Versatility: The Kicker Comp subwoofer is versatile, performing well in vented or sealed enclosures, and in free-air applications.

Sealed Enclosures: A sealed enclosure design offers the smoothest response, with increased energy at the lowest frequencies (between 20 to 30 Hz).

  • Minimum enclosure volume: 0.5 ft³
  • Maximum enclosure volume: 1.2 ft³

Ported Enclosures: A ported (vented) enclosure design is typically more efficient than a sealed enclosure.

  • Minimum enclosure volume: 0.66 ft³ with a 1.5" x 8" slot port opening that is 18" deep
  • Maximum enclosure volume: 1.2 ft³ with a 1.5" x 8" slot port opening that is 12.25" deep

Infinite Baffle Mounting: The Kicker Comp subwoofers are also designed to be used as free-air drivers. The infinite baffle mounting method effectively utilizes the trunk of a sedan as the enclosure.

 

Product reviews from the Crutchfield Labs (what are the Labs?)

Video: Kicker Yellow Series Car Audio Gear

Video: Kicker Yellow Series Car Audio Gear

by Zak Billmeier
 
Video: Kicker Yellow Series Car Audio Gear

Kicker's Yellow Series of amps, speakers and subs gives you the performance you expect from Kicker at a more affordable price. And this year's models are better than ever.

 
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Kicker 40CWD82 Reviews

Average Customer Review:

9 people say:

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5 out of 5

Kicker 40CWD82

Written By phil, winter haven fl. on Friday, September 26, 2014
Crutchfield Customer Review (What's this?)
 
Great for my ranger truck my truck rocks now would tell all my friends to get it, it has a big bass sound .
Pros:
Small did not take up much room still sounds good
Cons:
No cons
1 out of 1 people found this helpful
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4 out of 5

good upgrade

Written By Anonymous, high springs, fl on Friday, August 29, 2014
Crutchfield Customer Review (What's this?)
 
I installed this in a 2011 dodge charger. It was a big improvement from the stock sub. It was easy to install but you do have to drill new holes for the sub.
2 out of 2 people found this helpful
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5 out of 5

Great Speaker!

Written By Jacsxr7, South Gate, CA on Friday, April 11, 2014
Crutchfield Customer Review (What's this?)
 
Great free air mounting speaker. Sounds good without a box. And. A decent price. Recommend this speaker to who ever doesn't want to add a box that takes up a lot of room.
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4 out of 5

Looks great

Written By Evin, Mission, KS on Saturday, November 30, 2013
Crutchfield Customer Review (What's this?)
 
I haven't actually installed this yet as I've Been out of town since I ordered. The quality looks great as this is my first Kicker product.
Pros:
Right size for my oem replacement
Cons:
None that I'm aware of
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5 out of 5

Good Sub

Written By Eric, Massachusetts on Saturday, July 06, 2013
Crutchfield Customer Review (What's this?)
 
for the price you can't beat it
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5 out of 5

Kicks like a MULE!

Written By Will, Philly on Tuesday, June 25, 2013
Crutchfield Customer Review (What's this?)
 
My stock bose sub blew on my 06 infiniti g35. so i decided to replace it with the Kicker 40CWD82 Wouldn't had known which sub to choose from until a tech advisor Abe pulled up info on my car and let me know what sub would fit and be compatible with my stock amp. This sub Kicks pretty hard for an 8" Very happy with my purchase
Pros:
Very loud Super Bass Clear sound Great Price Outstanding build quality
Cons:
none
1 out of 1 people found this helpful
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5 out of 5

You will be impressed too!

Written By crskub, Marshallville, Ohio on Monday, May 06, 2013
 
I drive a 2012 Dodge Charger SE, in this model they have a opening for a sub in the rear deck. I am fantastically pleased with how everything turned out! Many factors led up to me choosing this sub for my ride. I needed an 8" subwoofer to fit the opening provided by Dodge, however new holes needed to be drilled because of the propriatary layout. I needed the ability to wire my amp to the sub as 1 Ohm (Memphis PR.450) , luckily they offer two versions of this subwoofer in dual voice coils. Most importantly I needed a subwoofer that worked in a FREE AIR enviornment. I did not want to have to make shift a fiberglass box around the subwoofer. It needs to be able to withstand high voulue music and use its surroundings as the box.

The great thing about 8" subwoofers is that they provide a tight, crisp sound in many different applications, this is exactly what I am experiencing. An added bonus, I impressed my friend who only cares about subwoofer loudness. You could definitely feel the bass and hear the difference over just the stock speakers. It even improved the over all sound quality since I turned the bass down on the stock speakers, this lightened their load, and let them produce clearer audio while the sub made bass.
Pros:
Solid subwoofer, nice rubbery material on bottom of the rim, works well in a free air(infinite baffle) enviornment, decent price, dual 2ohm voice coils, Loud, Tight, accurate, precise, effcient, clean, easy to impliment.
Cons:
None
3 out of 3 people found this helpful
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4 out of 5

WOW!!!!!

Written By Marcus, Wilsons, VA on Saturday, April 20, 2013
Crutchfield Customer Review (What's this?)
 
Loads of bang for your buck.
Pros:
The dual voice coils make this sub an impressive upgrade to a basic factory system. I paired this sub with a S/O M1500 in my 94" Jeep Cherokee, and was instantly impressed.
Cons:
It won't give you ground shaking bass like a larger sub but you definitely know it's there
1 out of 1 people found this helpful
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5 out of 5

Kicker 40CWD82 - 8" dual voice coil Sub 2-Ohm

Written By Mike G, Plano, TX on Tuesday, March 19, 2013
Crutchfield Customer Review (What's this?)
 
Perfect replacement for 2004 Sienna JBL factory sub. Required drilling a few holes in factory plastic box. Factory connectors fit the Kicker terminals by pulling the connectors out of the factory "T" connector assembly. Excellent bass response and compatible with factory amp.
Pros:
Competitive price point
5 out of 5 people found this helpful
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1 question already asked

Will i need a box? [ aaron  Apr 28, 2014 ]
9 answers
  • Hello Aaron, I would say yes you will need a box. This kicker is a sub woofer which needs to be mounted in a box to achieve the strong bass. Mike [ MICHAEL A   May 07, 2014 ]
  • I believe you can use it for free air applications, but I built a sealed box for mine for about $50 and it works very well. It is only an 8" so it does not hit the very low notes how you might want it to. I use it in my 2003 Jeep Wrangler and I am very happy with it. Even for not hitting the low notes it does more than you expect. [ KODY   Apr 30, 2014 ]
  • Depends on your setup. In my g35 was a free air sub so I didn't need a box. It just sat on top on the rear deck being screwed down. Thumps pretty nice without the box also. If you have a box that you want to put it in it would be fine. [ WILLIAM   Apr 30, 2014 ]
  • You won't need a box if you don't want one. These subs sound great in a free air setup as well. [ MARCUS   Apr 29, 2014 ]
  • Yes [ DONNIE L   Apr 29, 2014 ]
  • It is a free air subwoofer. They can be used with out a box. Mine was used in the deck lid going into my trunk. [ JASON G   Apr 29, 2014 ]
  • You will need an enclosure of some sort if you're trying to feel the frequencies as well as hear it. [ rik   Apr 29, 2014 ]
  • No. My stereo guy installed without a box to replace the factory free-air woofer. [ LAWRENCE E   Apr 29, 2014 ]
  • That's kind of a no brainer [ PATRICIA   Apr 29, 2014 ]

Add accessories for the Kicker 40CWD82

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For a more in-depth review and enhanced detailed information on the Kicker 40CWD82, please visit the Crutchfield website product page (/ISEO-rccbcspd/p_2064CWD82/Kicker-40CWD82.html ).