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Kicker CompRT 43CWRT671

CompRT shallow-mount 6-3/4" subwoofer with dual 1-ohm voice coils

Item # 206CWRT671

If you're looking for bass for a tight space, Kicker designed their CompRT subs with compact cars, pickup trucks,...

If you're looking for bass for a tight space, Kicker designed their CompRT subs with compact cars, pickup trucks,...

Item # 206CWRT671

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C$219.99 each
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About the Kicker CompRT 43CWRT671

A thin sub with fat bass

If you're looking for bass for a tight space, Kicker designed their CompRT subs with compact cars, pickup trucks, and ATVs in mind. The low-profile 43CWRT671 6-3/4” subwoofer performs just like a full-size sub, but without killing all your cargo space. This high-performance CompRT sub stands less than 3" tall, so your installation options are wide open.

A thin sub with fat bass

If you're looking for bass for a tight space, Kicker designed their CompRT subs with compact cars, pickup trucks, and ATVs in mind. The low-profile 43CWRT671 6-3/4” subwoofer performs just like a full-size sub, but without killing all your cargo space. This high-performance CompRT sub stands less than 3" tall, so your installation options are wide open.

Built with boom in mind

The 43CWRT671 comes equipped with a rigid injection-molded polypropylene cone that won't flex and cause distortion while you're cranking the bass. Its rubber surround will last through years of heavy use, combining with a special-design back and top plate to give you more excursion (which equals more bass) than other skinny subs.   

Made to work with many systems

This sub handles up to 150 watts RMS so make sure you've got a solid amp to power it, and Kicker offers a compact PX Series amp that's a great match if you're trying to save space. You can wire the dual voice coils for either 2- or 1/2-ohm total impedance, giving you more wiring options when setting up your system. This sub sounds great in a sealed enclosure.

Important Note: If you are wiring this DVC sub for extremely low impedance, make sure that your amp is compatible. You can damage or destroy your amp by exceeding recommended minimum impedance.

To drive this single subwoofer, we recommend a mono amplifier rated between 120 and 225 watts RMS at 1/2 or 2 ohms. For more information, please refer to our article on How to Match Subwoofers and Amplifiers.

READ LESS

Product highlights:

  • 6-3/4" subwoofer with dual 1-ohm voice coils
  • injection-molded polypropylene cone
  • rubber surround
  • power handling: 150 watts RMS
  • peak power handling: 300 watts
  • frequency response: 30-500 Hz
  • sensitivity: 82.6 dB
  • top-mount depth: 2-3/4"
  • sealed box volume: .18 - .75 cu. ft.
  • grille not included
  • warranty: 1 year
  • Our 60-day money-back guarantee
  • MFR # 43CWRT671
KEEP READINGREAD LESS

What's in the box:

  • One 6-3/4" Dual 1-ohm voice coil subwoofer
  • Kicker logo sticker
  • 4 Adhesive backed screw covers
  • Manual (English/ Spanish/ German/ French)
  • Template on box

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Kicker CompRT 43CWRT671 reviews

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Kicker CompRT 43CWRT671

Crutchfield customer from Franklin, TN on 2/12/2019

2006 Toyota Sequoia

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Speakers worked great! Thank You

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Cons:

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0 of 1 found this helpful

Kicker CompRT 43CWRT671

Crutchfield customer from Norfolk, VA on 1/8/2019

2003 Jeep Wrangler

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Small foot print, Big sound

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0 of 1 found this helpful

Kicker CompRT 43CWRT671

Crutchfield customer from Fern Bch, FL on 1/1/2019

2002 Jeep Wrangler

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Great bass sound

Pros:

Cons:

Crutchfield response on

0 of 1 found this helpful

Kicker CompRT 43CWRT671

Crutchfield customer from Las Vegas, NM on 11/5/2018

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Wasn't too sure what to replace my factory blown speakers with. These made a huge improvement to sound sound quality of my system. Very happy and satisfied with my choice..

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2 of 3 found this helpful

I made a mistake

Crutchfield customer from Simi Valley, CA on 7/9/2018

2017 Honda Civic

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These are mediocre speakers at best. I've got them in a solidly-built sealed enclosure, with about 130 watts RMS per speaker, and the sound quality just isn't there. I've tried an empty sealed enclosure, then I added some poly fill inside (a little, and a lot); and then I used a sound deadening mat and some sound deadening foam. It doesn't matter what I do, the sound reproduction is like it's coming from a cardboard box. If you just want to add some noise, these may be acceptable for you. If you're looking for quality sound, you get what you pay for, spend a little more and choose something better. I made a mistake.

Pros: They work, and produce noise

Cons: They sound cheap, below average sound quality

Crutchfield response on

5 of 9 found this helpful

Kicker CompRT 43CWRT671

Crutchfield customer from Saint Louis, MO on 3/18/2018

2004 Jeep Wrangler

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Wow, I am pleasantly impressed! It's not going to rattle your windows, but it fill quite nicely.

Pros:

Cons:

Crutchfield response on

2 of 2 found this helpful

Excellent Speaker

Denis from Auburn, ME on 2/12/2018

2002 Jeep Wrangler

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I purchased this speaker as an after market center console bass woofer for my '02 Jeep wrangler TJ. With a little modification, which I knew ahead of time, the speaker works perfect. It has great sound, and no distortion. The price was also very good.

Pros: Great sound, good price, fast shipping

Cons:

Crutchfield response on

2 of 2 found this helpful

Kicker CompRT 43CWRT671

Crutchfield customer from Fenton, MI on 1/18/2018

2005 Jeep Wrangler

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Bought for my 2005 Wrangler with a stock sub. Sounded great for about 2 days then until it started to spit out kinda distorted bass. Not the best with songs heavy on the bass but the first couple days it was a major improvement for sure. Also, I'm sure with an amp that isn't stock and 13 years old it'd be even better and probably wouldn't have blown so quick. Regardless, still basically blew out after 2 days.

Pros: Easy installation, fit perfectly in my existing sub box and big improvement for little cost

Cons: Didn't last 50 hours before blowing (convinced it's not entirely the subs fault however)

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3 of 4 found this helpful

Good clean bass!

Michael from Spring City, PA on 12/3/2017

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The Kicker was mounted in a 80's bazooka style ported tube. It creates so much deep bass that I feel the pressure in the air. There isn't any distortion or muddy bass thanks to being powered with a JBL 500W sub amplifier. I highly recommend the Kicker CompRT series.

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Crutchfield response on

3 of 3 found this helpful

Didn't Work For My Application

Matt from Canton, OH on 10/8/2017

2016 Subaru WRX

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These little subs are built like a tank. I built a couple of .18 cubic ft ,air tight, custom boxes for these to put under each front seat of a 2016 Subaru WRX. Pushed them with 300 watts rms (150 watts each) and I was a little underwhelmed. They didn't sound bad, but they didn't sound as good as I was hoping from the reviews. They could be a little muddy and the output just wasn't there. Tried swapping the phase and spent quite a while trying to tune the system to make them work, but nothing helped. May have been the fact that they were under the seats and different applications may better suit them. I ended up returning them for different subwoofers.

Pros: Well built.

Cons: Not enough output.

Crutchfield response on

2 of 2 found this helpful

Fits 4th Gen Camaro Monsoon sub and much better sound.

Steve from LEESBURG, VA on 9/22/2017

1999 Chevrolet Camaro

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Discovered this speaker and decided to try it. VERY glad I did. It is the correct fit for my 1999 Camaro SS with Monsoon System, which can be difficult to find replacement speakers. It can be wired to 2 ohms to match the factory amp. The physical fit is almost perfect, you will need to take some time to get the holes aligned. The depth is no problem. I used the factory clip nuts, then drilled two more holes per speaker to really anchor it. The sound is a dramatic improvement over the replacement subs I had (the originals left long ago).

Pros: Can be wired to 2 ohms, screw in replacement for 4th Gen Camaro Monsoon sub, tight punchy bass.

Cons: None so far

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12 of 12 found this helpful

Solid and reliable

Jim from Olalla, Wa on 9/12/2017

2005 Jeep Wrangler

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Very impress with quality and the amount of bass from such a small sub.

Pros: Solid sub that is reliable. Highly recommend.

Cons:

Crutchfield response on

2 of 3 found this helpful

Great for the size!

Z from Dallas, TX on 8/27/2017

2002 Chevrolet Tracker

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Bought these from Crutchfield in spring '16. I wanted more low end than my speakers were currently providing, but didn't want to sacrifice any of the already limited space in the back of my '02 Chevy Tracker. These are great speakers! ...if you have realistic expectations. If you want more bass, these will certainly deliver. If you want 10- or 12-inch bass, these will probably not [fully] deliver. Keep in mind, these are small speakers when it comes to subwoofers. The ability to tuck them into existing speaker mounts hidden away beneath existing trim is a very nice feature. But that does mean that your sound is coming from only 6 3/4" speakers... Now, that said, the sound these are able to produce considering they are ONLY 6 3/4" is outstanding! I replaced both of my rear panel speakers with these subs (I had a feeling that only one wouldn't suffice). I ran them both through a Pioneer GM-D9601 mono amp (*BE CAREFUL with your impeadance matching! Your amp needs to be able to handle the low ohms!*) I am consistently pleased with the rumbles these little guys create. Again, these aren't super subs. They're small. You won't hear these outside your car (which is ideal for me). However, you will DEFINITELY hear (and feel) them inside your car! They're rear-view-shakey good - they pack a punch. Periodically, I will be left feeling a tiny bit underwhelmed, but it's worth it to me to keep the space free in the back of my car. AND they have great reproduction quality! I'm very p

Pros: Sound better than you might think! Compact, easily concealed Great audio reproduction Great price Easy to install

Cons: Only every once in a while will I feel left wanting slightly more

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1 of 1 found this helpful

Kicker CompRT 43CWRT671

Crutchfield customer from Fortuna, CA on 8/7/2017

2002 Jeep Wrangler

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2002 jeep wrangler, I replaced the factory subwoofer with this with only a slight modification to the enclosure. Works great !

Pros:

Cons:

Crutchfield response on

1 of 1 found this helpful

Excellent product.

Daniel from Mooresville, NC on 8/5/2017

2004 Jeep Wrangler

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Installation on a 2004 Wrangler Rubicon. Kenwood head unit, clarion 2510 amp, infinity speakers and this sub in the center console. Excellent clarity and fullness thanks this sub. It was lacking in low end without it. The amp made this sub perform. Way more sound than I expected for this jeep. With the top off it still has strong sound. But there is always more.

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Cons:

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0 of 0 found this helpful

Kicker CompRT 43CWRT671

Crutchfield customer from Benson, NC on 7/16/2017

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Woof Woof, sounds great

Pros:

Cons:

Crutchfield response on

0 of 2 found this helpful

Kicker CompRT 43CWRT671

Eric from Dubach, la on 6/24/2017

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Awesome product. I am using them as midbass drivers and the sound is beautiful from them. Great power handling and crystal clear sound.

Pros:

Cons:

Crutchfield response on

0 of 0 found this helpful

Great sub for tight spaces

Garrett from Clovis, CA on 6/7/2017

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KICKER makes a great product and really taps into integrating. Much into the all terrain environment. This small sub is a perfect example as I put it in my jeep. Put it with a 1 ohm kick px2001 amplifier and you'll be happy. This small sub won't shake the neighbors house but adds usable bass to my jeep wrangler Rubicon

Pros: Thin, compact, powerful for size, offered in low ohm dual voice coil configuration so you don't have to get a big amp that takes up a lot of space. Power this with the kicker px2001 amplifier

Cons: Small subs don't have the output of larger subs. Lows are not as low when you get a shallow sub, but considering application sometimes a small sub is all you can fit

Crutchfield response on

2 of 4 found this helpful

Kicker CompRT 43CWRT671

Harry Van from Mullica Hill, NJ on 4/20/2017

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Replaced the Original subwoofer speaker in my Lincoln Towncar with this one. Fit right in the enclosure with no no modifications. Sounds great.

Pros:

Cons:

Crutchfield response on

3 of 4 found this helpful

Kicker CompRT 43CWRT671

Rodney from El Paso, TX on 4/11/2017

2006 Pontiac GTO

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Great little sub speaker

Pros: Great to fit in a tight area, love the sound quality for the size

Cons: None

Crutchfield response on

1 of 1 found this helpful

Kicker CompRT 43CWRT671

David from NV on 3/26/2017

2001 Jeep Wrangler

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Adequate to their purpose.

Pros: They work.

Cons: None yet.

Crutchfield response on

1 of 5 found this helpful

Kicker CompRT 43CWRT671

Crutchfield customer from Austin, TX on 3/14/2017

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Love that these subwoofers are more shallow as I needed them to go in a tight space.

Pros:

Cons:

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1 of 1 found this helpful

Kicker CompRT 43CWRT671

Matthew from Apex, NC on 2/25/2017

2006 Honda Civic EX

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This DOES NOT fit the Honda Civic (2006-2011) rear deck. The site says it's a fit, and it is a 6.5" speaker but I had to do a ton of modification to get it to fit. That being said it's a great little sub. I paired it with the PX 200.1 Kicker amp and wired it for 0.5ohm and the results are very good. Total came to a great price, which is fantastic for the size and sound quality.

Pros:

Cons:

Crutchfield response on

5 of 6 found this helpful

Tj replacement

Timothy from New Mexico on 1/29/2017

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Got this to replace blown sub in a 05 wrangler. Sounds great. Has a surprising amount of bass for such a little guy. All in all I'm very pleased with this subject and hopefully it will last me a long time. If you have a blown sub in your tj get this one you won't be disappointed.

Pros: Good sound over factory.

Cons: Price

Crutchfield response on

4 of 4 found this helpful

Great Subwoofer where limited on space

Steve from St. Louis, MO on 11/29/2016

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I needed a small sub to replace a factory Dodge Viper sub. Dodge decided not to make anymore so I had to go on a search. This speaker was smaller in depth (which was helpful do to space restrictions) and clearly outperforms the original factory sub by far. As always the Cruthfield team is very helpful and can't be beat

Pros: Great sound from a small Sub

Cons: None

Crutchfield response on

6 of 6 found this helpful

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<< >>

More details on the Kicker CompRT 43CWRT671

Pat M.

Product Research

Features

Dual Voice Coils: This woofer features dual 1Ω voice coils, offering wiring flexibility. When the voice coils are wired in parallel, the woofer presents a 1/2Ω load. When the voice coils are wired in series, the woofer presents a 2Ω load.

Shallow-Mount: Kicker's CompRT series is designed to minimize depth, giving you subwoofer options where standard enclosures don't fit. The vent-less, solid-pole design allows the woofer to be mounted directly against the rear wall of a sealed enclosure.

All-Weather: Although not marine certified, Kicker describes the CompRT series as weatherproof.

Sealed Enclosures: 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 from 0.18 ft³ to 0.75 ft³.

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Customer Q&A

Q
Crutchfield asked: Why did you buy this?
A
Jeep TJ [ Larry  Feb 08, 2019 ]
A
because your advisor recommended it [ Elliott  Jan 06, 2019 ]
A
Low range midbass. Have to force them to fit in rear deck. [ Paul  Jul 29, 2018 ]
A
I chose this item because it is compact and will fit in a limited space area. [ Paul  Mar 11, 2018 ]
A
It is the only item that fits my 02 Jeep Wrangler, and it has awesome reviews. [ Denis  Jan 30, 2018 ]
A
This seems to be a good option for replacing the OEM center console sub in Jeep TJs. [ BRANDON  Jan 14, 2018 ]
A
Kicker equipment has always treated me right, particularly their 12" woofers. From IASCA SPL competition systems in the 90s to my current "old man" system, I've never had to worry about my bottom end when using Kicker subs. [ Brady  Dec 26, 2017 ]
A
Will work with Kicker 42PXA2001 mono amplifier [ Kenneth  Sep 15, 2017 ]
A
Compact bass. [ Matthew  Aug 30, 2017 ]
A
Excellent reviews [ Manuel  Jul 22, 2017 ]
A
Factory replacement size. [ Harold  Jul 15, 2017 ]
A
Had everything I needed at a good price plus 3 day free shipping [ Robert Paul  May 10, 2017 ]
A
Recommended by Camaro owner website for 4th Gen Monsoon System rear sail panel use. Can be wired for 2 ohms. [ STEVEN  Feb 16, 2017 ]
A
Kicker is a good brand and this sub was close to the original size of the factory speaker [ Stephen  Nov 16, 2016 ]
SHOW MORESHOW LESS

10 questions already asked

Q
Does this need a mounting adapter of any sort? (rear seat side panel)
[ Patches  Mar 13, 2018 ]
1 answer
A
Considering no one knows what vehicle you are talking about I would recommend contacting crutchfield support directly and they will be able to help.
[ David B.  Mar 13, 2018 ]
Q
do you need an amp for this?
[ PJ  Oct 26, 2017 ]
7 answers
A
No but i need to replace one of them
[ Clifton  Oct 27, 2017 ]
A
No just fixed with new subs
[ bob  Oct 27, 2017 ]
A
Yes. Crutchfield does a good job of helping to find a good matching amplifier to suit your needs. .
[ David B.  Oct 27, 2017 ]
A
Yes
[ ERIC  Oct 27, 2017 ]
A
Yes you do.
[ JULIO  Oct 27, 2017 ]
A
Yes you need at least 500watt RMS amp for this. Probably go with a mono channel amp. But that depends on application. This sub sounds awesome in my wakeboard boat where space is tight
[ GARRETT  Oct 26, 2017 ]
A
I would say absolutely. That said you can run it without one, but it won't sound loud at all. Also, if you are just powering off your raidio it would need a crossover to limit the frequencies it gets, as this is a subwoofer, it won't do well playing mids or highs frequencies.
[ Cone Computer  Oct 26, 2017 ]
Q
Will this work in a jeep renegade in subwoofer location?
[ kenny  Sep 18, 2017 ]
1 answer
A
I have an 04 Sahara. It does fit in mine with some small alterations. Inside the plastic box there are some tabs that you need to break off and you'll need to drill new holes mounting holes for the sub. The sub sounds really good in mine. Id pull it out and have a look inside before you order it. Hope this helps
[ gabriel  Sep 18, 2017 ]
Q
Will these fit a 2000 XK8 Jaguar rear speaker enclosure?
[ Steve  Aug 27, 2017 ]
1 answer
A
For additional details on fit or installation please contact an Advisor by phone (1-800-324-9695) or online chat. They will be able to pull up your vehicle and give you the details on if this will fit and what you will need for an installation in your vehicle.
[ Kenny  Aug 28, 2017 ]  Staff
Q
Has anyone put a Kicker CompRT 43CWRT671 in the door of a 2016 f150... I'm worried how it will sound/rattle. Or should I just go with the kicker hideaway in the back?
[ CNC engineer  May 27, 2017 ]
3 answers
A
I installed these on mine, let me start by saying it needs more power than the factory Sony amp provides. You will also need a crossover to limit the frequencies this gets, as the rear F150 door gets a full range signal. Also, it will make door panels rattle pretty badly as it moves a decent amount of air. Best bet is build a small sealed box, put it under the back seat, and buy a micro amp to power these.
[ Cone Computer  Oct 26, 2017 ]
A
Hi CNC Engineer, Did you ever install this sub in your rear door? If so, did you install one of two? I have a 2017 XLT with stock radio and 7 stock speakers with 8" touch screen. I need more base, but I can't justify the $699 expense of the Kicker SF150SC15 VSST SubStageT. Any complaints or compliments? Good sound and added base? too much vibration? Do you need an amp or are they "plug and play"? Thanks!!!
[ Fourmalts  Aug 21, 2017 ]
A
I have a 2016 F150, but I put these speakers in the back doors of the Focus. I can say the aluminum doors on the F150 arent the best, they definitely need some sound deadener. I put some cheap 80-90 mil sound deadener on almost every metal part of the door, and even put some on the plastic door panel. It makes a huge difference in the sound, I also put it on the back wall of the truck. That said there's a plastic ring on the plastic door panel that needs to be trimmed down.
[ Cone Computer  May 27, 2017 ]
Q
Will this work for a 2005 Silverado 1500 with Bose as a replacement sub?
[ Jeremy  Mar 31, 2017 ]
1 answer
A
For additional details on fit or installation please contact an Advisor by phone (1-800-324-9695) or online chat. They will be able to pull up your vehicle and give you the details on if this will fit and what you will need for an installation in your vehicle.
[ Kenny  Apr 01, 2017 ]  Staff
Q
Can I install two of these in my rear door panels or do I still need a box to get the best bass?
[ Jopet  Aug 26, 2016 ]
2 answers
A
The information above is correct. Also, these can work in a free air application. This means they have the best design to work in doors where you rarely have anything that makes a subwoofer play like its in a sealed/ported box. But for best bass, its always recommended to put them into the recommended box size and type. I hope that helps! My Bio: http://www.crutchfield.com/Support/Bio.aspx?bio=101
[ Paul  Aug 29, 2016 ]  Staff
A
Kicker recommends sealed enclosures with an internal volume from 0.18 ft³ to 0.75 ft³ for the CompRT 43CWRT671 subwoofer. I hope that helps! My Bio: http://www.crutchfield.com/Support/Bio.aspx?bio=159
[ Larry  Aug 29, 2016 ]  Staff
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