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Kicker 40CWR104

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

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  • Kicker 40CWR104

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Our take on the Kicker 40CWR104

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.

Brace yourself 

Kicker designed their CompR line of subs for people who love to hear strong bass when their music's playing. Built from the ground up with performance in mind, these subs handle plenty of power to give you the baddest bass available from the legendary Comp line.  

Kicker 40CWR104

Change this subwoofer's impedance with a flick of the built-in switch.

Overbuilt? More like built just right

Kicker's 40CWR104 10” subwoofer comes equipped with a tough, polypropylene cone that stays rigid during intense play sessions so you hear accurate bass. A custom-designed back and top plate give the woofer plenty of room to travel, while the durable rubber surround helps to control cone movement during a heavy workout. This sub uses extensive venting in its heavy steel basket to shrug off heat, so you can count on reliable performance.   

Say hello to system flexibility

This Kicker CompR will handle up to 600 watts RMS so make sure you have an amplifier that'll do it justice. Its dual 4-ohm voice coils make it easy to connect to a mono amplifier, and this versatile sub works well in sealed or ported enclosures.

See more info on this item

Highlights:

  • 10" subwoofer with dual 4-ohm voice coils
  • injection-molded polypropylene cone
  • rubber surround
  • power handling: 100-600 watts RMS (300 watts per coil)
  • peak power handling: 1,200 watts
  • frequency response: 30-500 Hz
  • sensitivity: 83.6 dB
  • top-mount depth: 5-3/16"
  • sealed box volume: .80 - 3.0 cu. ft.
  • ported box volume: 1.25 - 1.75 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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10 -inch
Impedance
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4 ohms
Cone Material
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Injection Molded Poly
Surround Material
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Santoprene
Ideal Sealed Box Volume (cubic feet)
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N/A
Ideal Ported Box Volume (cubic feet)
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N/A
Port diameter (inches)
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N/A
Port length (inches)
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N/A
Free-Air
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No
Dual Voice Coil
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Yes
Sensitivity
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83.6 dB at 1 watt
Frequency Response
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30 - 500 Hz
RMS Power Range (Watts)
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100-600
Peak Power Handling (Watts)
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1200
Top Mount Depth (inches)
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5 3/16
Bottom Mount Depth (inches)
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N/A
Cutout Diameter or Length (inches)
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9 1/8
Vas (liters)
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16.159
Fs (Hz)
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43.8
Qts
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0.838
Xmax (millimeters)
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0
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 10" Dual 4-ohm voice coil subwoofer (with impedance switch)
  • Kicker logo stickers
  • Manual (English/ Spanish/ German/ French)
  • 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.

Features

Dual 2-ohm Voice Coils: This woofer features dual 4-ohm voice coils, offering wiring flexibility. A switch on the speaker terminal allows you to easily change from parallel (the woofer presents a 2-ohm load) to series (the woofer presents an 8-ohm load) wiring for the voice coils.

UniPlate Construction: The woofer features a one-piece UniPlate construction with a vented, extended pole piece and backplate. This unique design provides the following benefits:

  • Optimizes heat transfer efficiency for cooler operation
  • Eliminates erratic magnetic flux in the voice coil gap
  • Releases pressure under the suspension for uniform cone movement
  • Prevents the voice coil from bottoming out, and the resulting damage

Tinsel Leads: CompR subwoofers use Spiralead tinsel-lead technology; the tinsel lead wires are woven into the spider to relieve mechanical stress.

Enclosure Compatibility

Sealed Enclosure Applications: Sealed enclosures provide the most control over a woofer and provide accurate sonic reproduction, making them suitable to all types of music. Kicker recommends sealed enclosures in the following range:

  • Minimum Enclosure Volume: 0.8 ft³
  • Maximum Enclosure Volume: 3.0 ft³

Vented Box: Vented (or ported) enclosures typically provide better overall efficiency than sealed so they are suitable for use with smaller amplifiers, giving you more bass output from less power. Kicker recommends ported enclosures in the following range:

  • Minimum Enclosure Volume: 1.25 ft³ with a 10.5" x 2" x 20" slot port
  • Maximum Enclosure Volume: 1.75 ft³ with a 10.5" x 2.5" x 20" slot port
 
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Kicker 40CWR104 Reviews

Average Customer Review:

3 people say:

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4 out of 5

good sound at a good price.

Written By Anonymous, Kiel, Wisconsin on Tuesday, June 10, 2014
Crutchfield Customer Review (What's this?)
 
Good sound considering I have to run the smallest box possible as it is in a convertible. The switch is a convenient feature but not needed. I have not had these long so I can not comment on the durability and I think they were rather generous with the power rating. Putting 600w into 2 @ 8ohm so a 4 ohm load. Gain is almost all the way down and I can still overpower them. I will come back to review later for durability.
Pros:
Good sound and a good price. Fits into the smallest of boxes w o being a shallow mount.
Cons:
Prob over rated power. Stay around 200-250 and they should last forever.
Was this review helpful?    Yes | No
"Coolness Factor"
Build Quality
Ease of Use
Sound Quality
Value
 
3 out of 5

Kicker 40CWR104

Written By Anonymous, Brunswick, GA on Tuesday, October 22, 2013
Crutchfield Customer Review (What's this?)
 
Really like the speaker would like a more powerful one next time
Was this review helpful?    Yes | No
"Coolness Factor"
Build Quality
Ease of Use
Sound Quality
Value
 
5 out of 5

Kicker Comp 4ohm Subwoofer - Love the easy hook up!

Written By PaulD, San Antonio, TX on Wednesday, August 28, 2013
Crutchfield Customer Review (What's this?)
 
After lots of video watching on You Tube and Tips and Explanations on the Crutchfield website I was really concerned with Parallel vs. In Series wiring to get proper wattage for Amp/Subwoofer. Kicker solved all those worries with an easy 2ohm/8ohm switch. Wow! Excellent innovation. The sub is installed in a sealed OBCON box (21"X9"X15") and sounds incredible with the Kicker 500w Mono Amp. Nice, Clear and lots of Oooomph! THANKS KICKER!
Pros:
WELL BUILT. EASY! INSTALL. LOOKS AND SOUNDS INCREDIBLE.
Cons:
NONE
1 out of 1 people found this helpful
Was this review helpful?    Yes | No
"Coolness Factor"
Build Quality
Ease of Use
Sound Quality
Value
 

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For a more in-depth review and enhanced detailed information on the Kicker 40CWR104, please visit the Crutchfield website product page (/ISEO-rccbcspd/p_2064CWR104/Kicker-40CWR104.html ).