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Kicker 40CS684

6"x8" 2-way car speakers

Item #: 2064CS684

In Stock

82 Reviews | 1 question - 1 answer

Free Installation gear for most cars

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It's time for an upgrade

Upgrading the old factory speakers in your car will give you a huge bump in sound quality, and Kicker designed CS Series speakers to get your sound system rockin' without breaking the bank. You'll enjoy your music even more when you hear all the details that your muddy-sounding factory speakers couldn't begin to reproduce.  

Built tough

Kicker's 40CS684 speaker set provides low-end from a tough 6"x8" polypropylene woofer, with a polyester foam surround that will stay strong for years to come. The 1/2" PEI balanced dome tweeter takes care of the vocal and instrumental details that'll really bring your music to life. These speakers sound great powered by a factory radio or an aftermarket car stereo, and they'll really rock when connected to an external amplifier.

Product Highlights:

  • 2-way 6"x8" speakers (pair)
  • polypropylene woofer cone with polyester foam surround
  • 1/2" PEI balanced dome tweeter
  • power range: 2-75 watts RMS (225 watts peak power)
  • frequency response: 45-20,000 Hz
  • sensitivity: 90 dB
  • top-mount depth: 2-5/16"
  • warranty: 1 year
  • Our 60-day money-back guarantee

Why replace your car's original speakers?

The speakers that originally came in your car were made from inexpensive materials, designed to create acceptable sound at the lowest possible cost to the manufacturer. If you love music, you deserve better. Name-brand aftermarket speakers deliver fuller, richer sound with considerably more detail and nuance, and they're capable of playing louder and cleaner than factory speakers. Connect new speakers to your factory radio and you'll get the best possible sound from your dealer-equipped system. Pair them up with a new car stereo for a level of enjoyment that can rival a high-fidelity home audio experience.

Hands-on research

What's in the box?

Download owner's manual

  • 2 Coaxial speakers
  • Two 11" lengths of speaker wire (tinned wire on one end and 0.205" + 0.110" female quick slides on the other)
  • 4 Red plastic butt connectors
  • Eight 1" Self-tapping screws
  • 8 Speed clips
  • Owner's manual (English/ Spanish/ German/ French)

Features and Specs

General
Design 2-way
Tweeter Design 1/2" Balanced Dome
Tweeter Composition PEI
Woofer Composition Polypropylene
Woofer Surround Polyester Foam
Parts Warranty 1 Year
Labor Warranty 1 Year
Specifications
Sensitivity 90 dB at 1 watt
Frequency Response 45 - 20k Hz
RMS Power Range (Watts) 2-75
Peak Power Handling (Watts) 225
Impedance (Ohms) 4
Top-mount Depth (Inches) 2 5/16
Bottom-mount Depth (Inches) 2 11/16

Product Research

Features

Polypropylene Woofer Cones: The Kicker CS-series speakers feature durable polypropylene woofer cones, resistant to moisture and temperature extremes found in automotive applications.

Ribbed Polyester Foam Surrounds: The ribbed polyester foam surrounds allow extended cone excursion for additional bass output and higher SPL.

1/2" PEI Balanced-dome Tweeters: The 1/2" PEI (polyetherimide) balanced-dome tweeters provide a smooth high frequency response with quick, detailed and spatially-correct imaging. The tweeters have strong neodymium magnets for higher power handling.

Mounting Applications: While Kicker describes this speaker as a 6x8, it also fits many 5x7 applications. Please check the Crutchfield Vehicle Selector to confirm fit.

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.

Kicker 40CS684 Reviews

Average Customer Review:

82 reviews
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Great factory speaker replacement

Written By Akio, Fresno, CA on Sunday, December 07, 2014

Crutchfield Customer Review (What's this?)

I purchased these speakers to replace the "cracking" factory 6x8's that are in the rear doors my 08 Ford Fusion. I wasn't expecting anything dramatic since I was just replacing the rear door speakers with the audiophile system. I must say the difference is noticeable! Tighter bass and crisper highs! I will be orordering two more of these speakers for the front doors!

Pros: Quality workmanship, exact fit, simple install.

Cons: N/A

Marginal Upgrade

Written By Rob B, Windsor,Pa on Sunday, October 26, 2014

Crutchfield Customer Review (What's this?)

I bought these speakers to replace the factory speakers in my 2014 F150,stock speakers were lacking,poor clarity and no bass.I installed the kickers and the clarity was better,but still lacking,and zero improvement in bass.I am using the stock HU,don't want to give up Sync,I don't know that an amp would make them any better.If you are looking to upgrade,I would research more.

Pros: Direct replacement for factory speakers,easy to install with the supplied harness.

Cons: a marginal upgrade over the factory speakers,no bass improvement over factory speakers.clarity is so so.

Crutchfield response on Tuesday, October 28, 2014 That's a common reaction when replacing car speakers. What you can expect to hear from a new speaker is better clarity and definition in the mids and highs. So your music will sound better and more lifelike, but you might not hear more bass. The only way to get more bass is to add more power, and if you want to keep the factory radio, that means adding an amplifier. A small (40-50 watts), 4-channel amp can supply twice the power of an aftermarket stereo and three or four times the power of the typical factory radio. That'll improve all the sound, but you'll especially hear it in the fullness of the bass.

Kicker 40CS684

Written By CMac, Girard, KS on Thursday, October 02, 2014

Crutchfield Customer Review (What's this?)

Sound much clearer than factory speakers. Great product for the price!

Crisp Sound

Written By Jetsound, Pittsburgh, PA on Wednesday, September 17, 2014

Crutchfield Customer Review (What's this?)

Installed these in my Ford F150 and they sound perfect. Linked to a 4 channel amp at 50w per channel is the perfect combo.

Pros: Great power handling, good clean crisp sound and a great price.

Cons: None

Great upgrade

Written By Pat, Guntersville, AL on Saturday, September 13, 2014

Crutchfield Customer Review (What's this?)

Great upgrade from factory speakers. Bass not great, but certainly is adequate for a 6x8 speaker. Install is easy.

Pros: Price, mid and hi's, easy upgrade

Cons: Non

Cleaner sound than factory speakers!

Written By Scarpace, Austin, Texas on Friday, September 12, 2014

Crutchfield Customer Review (What's this?)

Great speaker for the price. I am a big fan of Kicker from the 90's when their sub-woofers were the bomb! My Ford Excursion had the original Made in China factory speakers that were rattling and just sounded worn. I decided to give these Kicker speakers a try and YES... they sound much better all around. I am using 6 of these that fit right into the stock door panels and the mid panel between seat row two and three. Clean high's, good mid's, and noticeable lows. For the price, I think this is a great choice. I added the foam baffles as well!

Pros: Clean high's, good mid's, and noticeable lows! Better than Factory speakers! No noticeable distortion at all levels! Sounds great with just 20 Watts per speaker!

Cons: None

Speaker Review

Written By Nermer, Yankton, SD on Wednesday, September 10, 2014

Crutchfield Customer Review (What's this?)

Speakers sound great! Tons of bass! Only minimal distortion at very high volumes

Sounds Great!

Written By BrianI, Topeka, KS on Tuesday, September 02, 2014

Crutchfield Customer Review (What's this?)

After reading other reviews I decided to purchase these Kicker's for my '05 Expedition which still had the factory speakers. What a big difference! I definitally have highs now and it is crisp sound. I am going to add a subwoofer to balance out the highs but I am very satisified!

Pros: Great Sound

Cons: None

Excellent OEM replacements

Written By JamesW, St. Louis, MO on Thursday, August 28, 2014

Crutchfield Customer Review (What's this?)

Great speakers for the money. Definitely better than the OEM speakers that came in the car. I was actually a little surprised at the OEM speakers because when I removed them they were actually made by Pioneer and said "Made for Mazda by Pioneer". I really expected better from Pioneer...but you can't expect OEM to be top quality when they're mainly concerned about the bottom line $$$. The audio from these is crisp, clear, good midrange, not so much on the low end (but maybe that's just the setup...no AMP - just powered from a Kenwood Navigation head unit and the speaker baffles might have something to do with it.). Very pleased as there is absolutely no distortion when really cranking the volume when the convertible top is down at highway speeds. Loud and clear enough to hear with the top down and passing a semi on the highway.

Pros: Perfect fit. Super easy to install. Sound great. No distortion even at high levels with the convertible top down.

Cons: None so far...other than they weren't free!

Good upgrade

Written By JoeS, DFW on Wednesday, August 27, 2014

Crutchfield Customer Review (What's this?)

These units went in my sons 2003 Ranger 4 door truck. With the supplied pigtail we had them in at under an hour. This was a definite upgrade over the stock speaker, immediately noticed were that the highs came through much better with mids being fine. Since we had already installed a self contained sub/amp unit I wasn't concerned about the bass of these speakers, one look at them tells you lows are not where they shine. Overall for the price and the performance my son was very satisfied. On the side, I have in my F350 Boston Acoustics replacements for OEM and four Boston Acoustics tweeters mounted for and aft with a Pro Box sub behind my rear seat, for the money I wouldn't complain to have my sons setup at all.

Pros: Definite upgrade

Cons: None

Kicker 40CS684

Written By BrentN, McPherson,Ks on Monday, August 25, 2014

Crutchfield Customer Review (What's this?)

Bolt right in place, easy install with factory connectors that came with.

Pros: easy upgrade

Cons: none

Great Upgrade

Written By BigMan, Wilton, NH on Thursday, August 21, 2014

Crutchfield Customer Review (What's this?)

Great upgrade for my trucks original factory speakers wired directly into my head unit with no amp and these still produce great sound very happy with my purchase.

Pros: Great Sound, Easy Install

Cons: Only thing I had to do was cut off the bracket edges on the sides because it lines up with my factory mounting hardware. Other than that no problems.

awesome kicker speakers

Written By pmercer, alexandria oh on Wednesday, August 13, 2014

Crutchfield Customer Review (What's this?)

These speakers are fantastic. Look no further than these, they are a great finishing touch on my mustangs new system!

Pros: Sound great, easy install

Cons: My car doesn't have more speakers to put these in.

Kicker 40CS684

Written By Anonymous, Clifton forge, va on Thursday, August 07, 2014

Crutchfield Customer Review (What's this?)

Perfect made a huge difference

Cons: Absolutely none

6x8 kicker factory replacement

Written By Allan S., Waverly Ohio on Tuesday, August 05, 2014

Crutchfield Customer Review (What's this?)

Speaker were easy to install and sound awesome!! Great price from Crutchfield! Cheaper then anyone plus all installation wires were included free!

Pros: Great customer service and tech support!

Kicker 40CS684

Written By Anonymous, Tucson, AZ on Tuesday, August 05, 2014

Crutchfield Customer Review (What's this?)

Great item. Sounds amazing.

Kicker 40CS684

Written By Dennis, Brentwood, CA on Wednesday, July 30, 2014

Crutchfield Customer Review (What's this?)

Great upgrade from stock.

Pros: Fit perfect. Good price.

4197063855

Written By wayne, Norwalk, OH on Thursday, July 03, 2014

Crutchfield Customer Review (What's this?)

Great addition to the stock stereo. Highs and lows sound like they should. Stock speakers were 25 watt mac.

Pros: Good speaker at a fair price.

Great Product

Written By Robin, Georgia on Tuesday, June 10, 2014

Crutchfield Customer Review (What's this?)

Great product, easy to install. Much needed improvement over factory speakers.

Pros: Great product

Cons: NONE

highly recommended

Written By Jesse s, Houston tx on Thursday, May 29, 2014

Crutchfield Customer Review (What's this?)

recommended to me by a crutchfield advisor to replace pioneers. these are much more clear, crisp and loud with little to no distortion or rattling , i am satisfied with them so far.

Pros: price, easy install, good sound

Cons: none so far

Kicker 6" x 8" 40CS684

Written By New Customer, Milwaukee, WI on Tuesday, May 20, 2014

Crutchfield Customer Review (What's this?)

I am very pleased with the performance of the kicker 40CS684 speakers. The quality for the price is very good, however the best thing was the (free) wire harnesses that made instalation an absolute 5 minute breeze in my 2002 Ranger XLT super cab. It was fantastic no soldering, no sad electrical tape connections, just plug and play. Definet repeat customer.

Excellent purchase

Written By John d, North Cape May, NJ on Tuesday, May 20, 2014

Crutchfield Customer Review (What's this?)

The speakers were close to, but not quite a drop in fit. A little die grinder work to expand the oval about 1/16 inch and the fit nicely. The wiring harness connectors made the connections a breeze. The speakers give a very nice sound even with an old factory radio ......well worth the effort to remove the rear seat to get access to the rear deck.

Pros: Price, fast delivery, sound quality

Cons: none

Requires Amp - No Bass Either

Written By Dan, Danville, VA on Tuesday, May 06, 2014

Crutchfield Customer Review (What's this?)

Decided to experiment and Installed these in my front door of a mazda. Installed Kenwood 6x9s in the back. Powered with a Kenwood headunit (no amp). Had to adjust the fader 4 notches toward the front before I could even hear the kickers over the kenwoods.

Left it like that for a month and eventually began to notice the tweeters distorting on the kickers at listening volume (kenwoods still doing fine). Called Crutchfield to replace and they said it was because the kickers were not getting enough juice and that they are really meant to be powered by and an amp - which explains why they are distorting at low volumes (because they are not getting enough power). Returning and swapping out for the MTX TDX52's.

Pros: Sturdy design.

Cons: RMS rating is lie. Requires minimum 60W RMS for decent power. No bass response at all. Factory speakers had put out more mid/bass.

Speakers

Written By Anonymous, Baltimore, MD on Saturday, May 03, 2014

Crutchfield Customer Review (What's this?)

Great sound all around nice lows an mids

2011 Mustang gt

Written By Anonymous, Chula Vista, CA on Sunday, March 30, 2014

Crutchfield Customer Review (What's this?)

Very good replacement for rear speakers. The shaker 500 is a modest sound system at best. This speaker helped the mids and highs. Not much in the lows, but that is what a sub woofer in the trunk is for. Overall I'm very happy with this purchase.

Pros: Very good mids and highs. Excellent replacement for shaker 500.

Cons: None

What I expected

Written By Klutch, Avon, IN on Thursday, March 27, 2014

Crutchfield Customer Review (What's this?)

Paired these speakers with an Alpine deck (CDE143BT) installed in the front of my 01 Expedition, much better than factory. Bass and low tones sound good, get some distortion on high end sounds though, not sure what the issue is but haven't had a chance to trouble shoot it yet. Overall what I expected, was looking for an upgrade from stock and that's what I got.

Pros: Easy install

Cons: Speaker wire connections are flimsy be careful sliding connectors on tabs

Why did I wait so long??

Written By PeteW, Louisville, KY on Saturday, March 22, 2014

Crutchfield Customer Review (What's this?)

I installed a new head unit from Crutchfield right away upon purchasing a new (used) 2002 Explorer Sport, but waited over 4 years to install speakers, I wasn't sure about taking door panels off. With the free master sheets I had my door apart in minutes, replaced both front door speakers in less than 45 minutes. The rears on mine were super easy too, and now I have great sound. Thanks Crutchfield!! Can't believe I listened to muddy factory speakers for 4 years. Used the wiring adapters, and door trim tool, from Crutchfield.

Pros: Great sound, good bass for a 6 x 8 speaker. Perfect fit for Fords, wiring adapter makes install a breeze

Cons: None

Great speakers

Written By Anonymous, Ardmore oklahoma on Thursday, March 06, 2014

Crutchfield Customer Review (What's this?)

Awesome speaker sounds great and easy to install!

Pros: Great bass

Great speakers

Written By Brian W, Sandy, UT on Saturday, March 01, 2014

Crutchfield Customer Review (What's this?)

Great speakers, fit perfectly, sound awesome!

Pros: Sound, fit, ease of installation.

Cons: None that I noted.

Kicker 40CS684

Written By Anonymous, Prospect Park on Monday, February 24, 2014

Crutchfield Customer Review (What's this?)

Great upgrade from my factory F150 speakers.

Great

Written By Joe L., New Hampshire on Wednesday, February 12, 2014

Crutchfield Customer Review (What's this?)

Sound great just for running of head unit

Pros: Better than stock, decent bass

Cons: Distorts when turning up loud when bass hits

Nice Speakers

Written By GregM, Seville, OH on Wednesday, February 12, 2014

Crutchfield Customer Review (What's this?)

These speakers were suggested to me by a Crutchfield advisor to go with my Alpine CDE-235BT radio that was also suggested for my 2002 Toyota Tacoma P/U. Both were to replace stock items. It was noted but there was a lot of custom work on the plastic speaker holders to make these speakers install flat on the speaker holders. After cutting away the necessary plastic the speakers fit fine. It took me longer to install the speakers than it did the radio. The speakers sound good for both music and the blue tooth phone hook up with the radio. So far I am very happy with the sound. It is just a small basic truck but I like to listen to good sounding music and the stock system definitely was not that. These speakers make a huge difference.

Pros: Nice crisp sound

Cons: None for the speaker just the install. They did not just fit right into the door without modification to the stock speaker holder.

Speakers Worth Taking A Look At

Written By Dillon H, Omaha, NE on Wednesday, February 05, 2014

Crutchfield Customer Review (What's this?)

I bought these speakers to replace the stock rear speakers in my truck, and I couldn't be happier. Compared to stock, I gained so much more clarity in the highs and mids.

Pros: Cheap price, good looks, easy install, great quality

Cons: None

Worth it

Written By Peter, El Paso on Friday, January 31, 2014

Crutchfield Customer Review (What's this?)

Reasonably priced for what you get!

Pros: Good and loud.

Cons: Bass not as good as I hoped but everything else handled better then I thought!

Good Replacements

Written By Brandonh, Smyrna, TN on Thursday, January 30, 2014

Crutchfield Customer Review (What's this?)

These Kicker speakers are several steps up from your plain, horrible sounding factory speakers that Ford uses. The quality is great; as expected from Kicker. The sound is much better than the factories.

Pros: Exact factory fit, great quality, good sound.

Cons: No grill covers

kickers kick

Written By ed, Birmingham,Al on Tuesday, January 28, 2014

Crutchfield Customer Review (What's this?)

Great product easy install sounds great

Pros: great sound, very good price

Cons: none

kicker 40cs684

Written By Tim C, albuquerque on Wednesday, January 22, 2014

Crutchfield Customer Review (What's this?)

Perfect fit/replacement for 2005 mustang door. These speakers are a big difference over the stock door speakers. Just running off a high power alpine deck. They added a lot of clarity to the high range. I already have a sub and had replaced the rear deck speakers. The low end was already taken care of. I was hopping for a little more in the mid range. I have an amp I have not put in yet. maybe that will wake them up. I noticed some reviews say they don't put out as much bass as expected. I agree, the 6X8's I put in the rear deck produce more bass and punch. However, that could be do to the enclosure of the rear deck v.s. the door. Can't remember what speakers I put in the rear deck. The cars not hear at the moment.

Pros: perfect fit. clean clear sound. You can get pretty loud without distortion as long as you adjust the bass down or filter out low frequencies

Cons: maybe weak in the mid range, not sure yet, adding an amp to see any difference. Bass is not as good as others.

Kicker 40CS684

Written By Cliff, Morrisville pa on Sunday, January 19, 2014

Crutchfield Customer Review (What's this?)

Bought as xmas gift for my son great factory replacements with great sound with 2 way made his kenwood head unit sound so much better

clean crisp sound

Written By 2001F150DBG, wynnewood pa on Friday, January 17, 2014

Crutchfield Customer Review (What's this?)

IN car stereo speakers you do get what you pay for, and every once in a while you get a little more. These speakers hooked-up to a stock radio replaced 25 watt paper cone stock speakers. Asking non-component speakers to give bass, mid-range and be awesome tweeters too all in one unit is asking alot. At 69.00 a pair these speakers do a nice job at all three. I am thrilled at the improvement over the stock speakers. - Adjustments with the radio controls: cranking the bass muddies the mid-range, cranking the treble to compensate helps but its really just loud at that point. The plus is these speakers are rated at 225 watts. I can crank up the volume, bass, and treble to their max and these speakers do not distort, wow! My ears can't take much of that so I'll never know how long you could leave it cranked before they do crack - lets not find out ;0) - With a stock radio they perform nicely, with an amplifier I'm sure everything would be that much better. - at normal listening and a bit louder for your favorite songs these are really clean nice sounding speakers, reproducing cymbals and high-hat as cleanly as the vocals and guitar leads - adding just a touch of bass adds the lows you need to round out the sound (drums, bass) *but they will not produce (on their own) the bass kick most are looking for these days.

Pros: They do everything they claim They handle being cranked up easily Simple install with Crutchfield adapters Sound is clean and crisp at normal listening and above levels OMG, their only sixty-nine dollars a pair - sweet!

Cons: You just can't get them to perform like three hundred dollars a pair speakers - If thats what you want spend Three Hundred dollars

Kicker 40CS684

Written By Anonymous, Redding ca on Monday, January 13, 2014

Crutchfield Customer Review (What's this?)

Awesome sound for a great price

Pros: Easy install. Real clear sound...good n crisp. Love the kicker line

Cons: None

Excellent Replacement Speakers

Written By RonB, Georgia on Thursday, January 02, 2014

Crutchfield Customer Review (What's this?)

I installed 4 of these 6x8 in my sons old pickup along with a new head unit and they sound fantasic! An amazing difference form the old factory paper cone nightmares that he had. He now has some bass and the highs and mids are MUCH improved over the factory speakers. Installation was simple and straightforward and the factory connectors provided by Crutchfield worked well.

Pros: Sound great, easy instalation and fcatory connectors provided by Crutchfied

Cons: None

great factory upgrade

Written By cmdubs78, Springfield, OR on Thursday, January 02, 2014

Crutchfield Customer Review (What's this?)

Great factory speaker upgrade for the price. Replaced stock stereo as well and was surprised at the quality of sound. Kicker lives up to it's name.

Pros: great sound, lots of bass without an external amp

Easy Install / Adequate sound

Written By Stryder, Los Angeles on Wednesday, December 11, 2013

Crutchfield Customer Review (What's this?)

Mostly easy install.. I needed to use my rotozip to remove some plastic housing in the door panels to get the new speakers to lay flat.. ..and splice the pigtails provided to the factory harness.. . other than than it was plug and play. The sound quality is good.. however I would have liked to adapt larger speakers for the rear pair to get more low end response.. the result is adequate for now.

Pros: easy install, good price, fast shipping

Cons: low frequency response ( Bass ) is moderate... and when the bass output is increased by the head unit... the sound gets muddy... really needs a sub or larger woofs in the rear..

Good Overall

Written By ac, Bakersfield, CA on Thursday, December 05, 2013

Crutchfield Customer Review (What's this?)

Installed these speakers in my F-250. Sound much better than the original speakers. Sound good at low to moderate volumes, at high volumes the bass is distorted, will have to put in a sub in the near future so I can decrease the bass to the speakers.

Pros: Easy install, much better then orginal speakers

Cons: bass not as good as I was hoping from Kicker

Great Speakers at an Affordable Price

Written By Chris M, Janesville, WI on Thursday, December 05, 2013

Crutchfield Customer Review (What's this?)

I got two sets of these speakers to replace the mushy-sounding stock speakers in my 2002 Mustang. They were simple enough to install, and the improvement over the original speakers was immediately noticeable. They have nice, crisp, mids and high range. There's not a lot of bass, but that's to be expected, and they sound great when paired with a decent subwoofer.

Pros: Crisp mids and high range

Cons: Not much bass on their own, but sounds great when paired with a subwoofer.

2001 Tacoma

Written By Richard, Summerville, Ga on Wednesday, December 04, 2013

Crutchfield Customer Review (What's this?)

sounds great and fit doors great

Pros: easy to put in

Cons: none

Kicker 40CS684

Written By Vandy23, NJ on Sunday, November 10, 2013

Crutchfield Customer Review (What's this?)

Great speakers for the price. Installed them in the rear of my 05 Mustang, replacing some older Alpines. Paired them with a Sound Ordnance 4 channel amp and they sound excellent. Definitely a great purchase!

Pros: Price and sound

Cons: None yet

2011 F150 Lariat w/o Sony and NAV

Written By NJ Jim, NJ on Thursday, November 07, 2013

Crutchfield Customer Review (What's this?)

Bought these because I wanted better bass in my F150, Don't buy them! Minor upgrade from factory but, when it comes to bass, its a down grade.

Pros: Decent sounding

Cons: Bass sucks, pricey for performance

Awesome Product!

Written By Pete K, Tampa Bay, FL on Wednesday, November 06, 2013

Crutchfield Customer Review (What's this?)

These speakers fit perfectly in the rear deck of my 95 GT mustang. They replaced some aftermarket JVC speakers and sound great!

Pros: Great sound; easy to install

Cons: None

Impressed

Written By Craigo, Salt Lake City, UT on Saturday, October 26, 2013

Crutchfield Customer Review (What's this?)

The Clarity is beautiful! I have them powered by a 5 channel amp 40 watts they sound great!

Pros: Love

Cons: None

nice sound for the price

Written By Mark H, Cincinnati, Ohio on Wednesday, October 02, 2013

Crutchfield Customer Review (What's this?)

Purchased these as a gift for a friend on a ford excursion. Replaced the factory fronts with these kickers. Being that there still hooked up to the factory stereo. They KICK. Very nice sounding speakers for the price. and still has room for an aftermarket stereo or an amp.

Pros: clear and affordable

Cons: none

Kicker 40CS684

Written By Kyle, Mechanicsville, VA on Tuesday, October 01, 2013

Crutchfield Customer Review (What's this?)

Great sounding speakers!

Pros: Easy install in my 2004 Toyota Tacoma

Cons: None

excellent

Written By Carlos, caguas pr on Tuesday, October 01, 2013

Crutchfield Customer Review (What's this?)

Good quality I use whit a 90x4 rms constant and no problem

Pros: Good soun quality and not a expensive

Cons: None

good solid efficient speakers

Written By ajef7885, IL on Sunday, September 22, 2013

Crutchfield Customer Review (What's this?)

Good sound from inexpensive speaker. Very efficient so Pioneer head unit is ample power to drive them. Bass is not as good or tight as I would have expected. I have had other 6x8's that had better response. Overall good match in rear doors of a Ford Focus sedan. A sub will be added to fill out bottom end.

Pros: efficient, good midrange and upper frequency response.

Cons: not as good bass response as some other speakers in this price range.

Great upgrade from stock speakers

Written By RB, Chamopaign, IL on Thursday, September 12, 2013

Crutchfield Customer Review (What's this?)

Great improvement over stock speakers. I paired these up with some 6x8 alpines and a clarion 4 channel amp. way stronger in the mid range over the stockers and I would say more than the alpines too. I wish they had some more low-end to them, I figure my 6x9's in my other vehicle have more bass on a similar set up.

Pros: Install doesn't get any easier

Cons: would be nice if they could do more with the lower frequencies.

quick and easy upgrade

Written By nurbeh, north carolina on Thursday, August 29, 2013

These were installed within about 5 minutes and there is a big difference in the sound. The factory speakers were worthless after 7 years and over 100K miles. I would definately recommend these speakers.

Superior speakers

Written By Chris, Lexington N.C. on Monday, August 26, 2013

Crutchfield Customer Review (What's this?)

Excellent product,nothing matches Kicker from Crutchfield been using it for years and years.

AWESOME SPEAKERS !

Written By KevinD., Akron,Oh on Wednesday, August 14, 2013

Crutchfield Customer Review (What's this?)

I installed these speakers into my '04 Focus wagon and can't belive the difference in sound quality. This was the best investment I have made to my Focus, GREAT product, and very easy install, thanks Crutchfield.

Pros: Awesome speakers,makes my factory radio sound great.

Cons: None

Sounds quality is lacking

Written By timn1, Jacksonville fl on Monday, August 12, 2013

I bought these speakers based on several good reviews I've read. Sound quality is not very clear. The more I listen to them the more I hate them. They are slightly better than the factory speakers i had. But I wish I would have just spent a little more money and got a better quality speaker. Soon I will be ordering me a better set from Crutchfield. I've had three way or four way speakers in the past and I miss the clarity.

Pros: A cheap upgrade from factory .

Cons: Sound is lacking clarity and depth.

great sound

Written By Anonymous, junction city, ks on Monday, August 12, 2013

Crutchfield Customer Review (What's this?)

Great sound

Pros: Great product at great value

Cons: None

Kickin' speakers from Kicker

Written By rinos88, Marquette Heights, Illinois on Tuesday, July 23, 2013

Crutchfield Customer Review (What's this?)

I put these in the rear of my 2002 Mustang GT to replace my stock speakers. (I put the component versions up front.) These things do an awesome job of filling the rear of the car with sound. Tight and crisp. They would easily be great in the front of my car, as well, if I had not wanted to do a component setup.

Pros: Excellent upgrade

Cons: Uh..........thinking............thinking............uh............

Kicker 40CS684

Written By Mike, Brooklet, GA on Friday, July 19, 2013

Crutchfield Customer Review (What's this?)

Great sound

Pros: Way better than stock

Cons: None

Great!

Written By Bill, Kewanna, IN. on Thursday, July 18, 2013

Crutchfield Customer Review (What's this?)

Awesome speakers

Pros: perfect fit, well worth the money. very loud

Cons: none

Great speakers!

Written By Carneilyes M, Bloomfield, NJ on Saturday, June 29, 2013

Crutchfield Customer Review (What's this?)

These speakers kick like no other! They definitely were a good investment!

Pros: Sounds great. Easy installation, fit perfectly in my 99 expedition!

Cons: None so far.

great speakers

Written By Anonymous, springfield vt on Sunday, June 16, 2013

Crutchfield Customer Review (What's this?)

These Kickers are great speakers and Crutchfield made them easy to buy. love them

ROCK & ROLL !!!

Written By John, Smyrna on Friday, June 14, 2013

Crutchfield Customer Review (What's this?)

I installed four in my Expedition and they sound great. Plenty of bass and no need for the sub I was planning to install. Crisp and clean highs, highly recommend if you like classic rock.

Pros: Great for classic rock.

Cons: Made in China.

Great

Written By Robert, Dallas on Thursday, June 13, 2013

Crutchfield Customer Review (What's this?)

Very good, 100x better than my stock 97 f150. The only bad thing is the bass isn't very heavy so I will be adding a sub soon.

Pros: Great highs and mids

Cons: Weak bass

F150 install

Written By digger, Sugarland TX on Saturday, June 08, 2013

Crutchfield Customer Review (What's this?)

Nice sounding speakers for the dollar. Installed without any additional brackets. Done in five minutes.

Pros: Nice clear sound.

Cons: None

Great Upgrade

Written By Phil, Washington State on Monday, May 27, 2013

Crutchfield Customer Review (What's this?)

Fantastic product for the money.

Awesome!!

Written By Alex, Mi on Sunday, May 19, 2013

Crutchfield Customer Review (What's this?)

I bought the speakers because I seen a lot of good reviews and how u can just throw then in and they work (no need for a amp) that is very true I just plugged then in my truck 1999 ford f150 and they sound great too loud and deep bass!, there made well also I am very pleased I will buying another pair for the back door speakers soon!!

Pros: Made well, loud, deep bass, sounds great, great upgrade from stock!

Cons: None

Very Good, sounds great

Written By WoodieT, Prattville, AL on Friday, May 17, 2013

Crutchfield Customer Review (What's this?)

These speakers don't have tons of bass, but they do sound better than my factory speakers and can handle more power. Super easy to install in my f150

Pros: sound great, easy install, high quality, good value

Cons: not a ton of bass

i like it!

Written By mikey, hilo, Hawaii on Tuesday, May 14, 2013

Crutchfield Customer Review (What's this?)

great sound, easy install, great deal. I like it

Pros: good looks and sound

Cons: none

Great Upgrade

Written By Johnny P, Ohio on Saturday, May 11, 2013

Crutchfield Customer Review (What's this?)

Super upgrade over factory speakers. Very happy

Pros: Good quality. Hard to beat for the money.

Cons: None

Great Upgrade over stock

Written By Tim, Wilder, ID on Tuesday, May 07, 2013

Crutchfield Customer Review (What's this?)

Works great, not a lot of bass difference, but I hear notes in songs that I didn't even were there before.

Pros: Great sound and value for the price, direct fit replacement

Cons: doesn't add a lot of bass, but I didn't expect it to.

great upgrade

Written By cwood, napavine wa on Friday, May 03, 2013

Crutchfield Customer Review (What's this?)

Great upgrade over stock for the price no distortion even when turned up all the way

Pros: Great sound even when turned up all the way

Cons: Could use a little more bass

Good upgrade

Written By lt, Pennsylvania on Wednesday, May 01, 2013

Crutchfield Customer Review (What's this?)

Better than factory speakers

Pros: Accurate non distorted sound

Cons: Not really high end. That's expected at this price though

Kicker 40CS684

Written By 2dogs7, Indianapolis IN on Friday, April 26, 2013

Crutchfield Customer Review (What's this?)

I used these speakers in an attempt to upgrade the sound of the original equipment speakers in my 2013 F150. I found the original equipment speakers quite lacking. I didn't want to spend a lot of money. I didn't think that I would need to in order to get a noticeable improvement over the stock speakers. Short version: I didn't feel that there was any improvement at all with these speakers, and, I have a very good ear for these things. I frequently notice many nuances that other people do not. My main issue with these speakers is that they are very "loose" sounding, slightly dark and with flabby lows. Very much like the stock ones minus the darkness. Sound is a subjective and some people seem to love kickers. However if you do I would suggest a higher grade ones.

Pros: None

Cons: "Loose" undefined lows. Slightly dark and inefficient.

Kicker Kicks up the volume

Written By GaryV, DeFuniak Springs, FL on Thursday, April 18, 2013

Crutchfield Customer Review (What's this?)

I didn't intend to replace the speakers until I talked with the guys at Crutchfield. I bought a system 6 years ago and have enjoyed every tune. I took their advice and the sound improvement was amazing. Well worth the money and the extra effort. You're in good hands with Crutchfield.

Pros: Good improvement / overall sound quality.

Cons: no cons

Kicker 40CS684

Written By Mike, Kauai, Hawaii on Thursday, April 18, 2013

Crutchfield Customer Review (What's this?)

Just installed in my F-150. At low volume, sound ok. At higher volume have extreme distortion and rumbling. Definitely do not recommend. Stock speakers were better by far.

Pros: Fit well.

Cons: Sound horrible.

Good kicker does it again

Written By David R, beaumont tx on Wednesday, April 03, 2013

Crutchfield Customer Review (What's this?)

Kicker saves the day again you can't go wrong with these in your car or truck great sound fit is nice and also lookes good

Pros: Every thing about it is good

Cons: Not a bad thing to as its a kicker

great sound

Written By david riedinger jr, Beaumont TEXAS on Sunday, March 24, 2013

Great upgrade for my 07 ford f~150

Pros: I got them on time and they fit great and sound even better then they look. And yes they do look good. Would buy them for my wifes car if she wants me to i loved getting stuff in from cruchfield and going to work on my truck or her car to make them sound the best it can

Cons: There is really no cons about it. It does its job and kicker did a great job on this one the price is not bad. You can spend more but i think i i got more than my moneys worth with the 2 sets i got

Kicker 40CS684

Written By Anonymous, Arkansas city kansas on Thursday, March 21, 2013

Crutchfield Customer Review (What's this?)

Great upgrade over stock speakers

Product reviews from the Crutchfield Labs

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.

What are the Labs?

Get everything you’ll need to enjoy your new Kicker 40CS684

Reduce ambient road noise and your vehicle's "rattles," for better sound inside your car.
You'll need speaker wire to connect your speakers to your amp.
Keep your speakers clean and dry. They compress to fit behind your speakers.
These speaker connectors are handy if you're running new speaker wire or if your speakers have oversized terminals.
The right tools will help keep your installation simple and clean.
If your stereo doesn't cut the deep bass from your full-range speakers, a set of bass blockers can help prevent distortion and give you cleaner bass too.
Dynamat 10415 Xtreme Speaker Kit

Dynamat 10415 Xtreme Speaker Kit

Two 10-in. x 10-in. Sheets

Item #: 15410415

(46)

$26.99
Add to Cart
Dynamat SuperLite Tri-Pak

Dynamat SuperLite Tri-Pak

Triple package — 3 sheets, 12 square feet (Model #10612)

Item #: 15410612

(17)

$69.99
Add to Cart
Dynamat 10435 Xtreme Door Kit

Dynamat 10435 Xtreme Door Kit

With four 12" x 36" sheets — covers two doors

Item #: 15410435

(32)

$99.99
Add to Cart
T-Spec 16-gauge Speaker Wire

T-Spec 16-gauge Speaker Wire

Black/white jacket — priced per foot

Item #: 120SW16WB1

(13)

Stinger PRO Series Speaker Wire

Stinger PRO Series Speaker Wire

Priced per foot (16 Gauge)

Item #: 541SPW516B

(53)

T-Spec 12-gauge Speaker Wire

T-Spec 12-gauge Speaker Wire

Black/white jacket — priced per foot

Item #: 120SW12WB1

(30)

XTC 6

XTC 6"x8" Speaker Baffles

Protect your speakers

Item #: 237XT68

(35)

Boom Mat 6

Boom Mat 6"x8" Speaker Baffles

Protect your speakers
Regular and slim-line sizes (Regular: 4-1/2" depth)

Item #: 696B050370

(33)

$9.99
Add to Cart
Metra Female Quick Slides

Metra Female Quick Slides

An assortment of female quick slide connectors for connecting to speaker terminals

Item #: 120FQS10PK

(51)

Bojo Trim Panel Tools

Bojo Trim Panel Tools

Set of 6 pry tools — helps remove interior and exterior trim and door panels

Item #: 126CR6NGL

(54)

$24.99
Add to Cart
Metra Crimp Tool and Connectors

Metra Crimp Tool and Connectors

Package contains crimp tool and over 150 pieces

Item #: 120CRIMPKT

(15)

$19.99
Add to Cart
S&G Wire Cutter/Stripper Tool

S&G Wire Cutter/Stripper Tool

Cuts and strips 12- to 22-gauge wire

Item #: 18119100

(17)

$19.99
Add to Cart
Pro.Fit Wire Worm

Pro.Fit Wire Worm

Installation tool helps route wiring through tight spaces

Item #: 042DM4533

(34)

$12.99
Add to Cart
S&G Tool Aid 87615

S&G Tool Aid 87615

Window and Door Clip Removal Tool

Item #: 18187615

(12)

S&G Tool Aid 87650

S&G Tool Aid 87650

Door Trim and Panel Removal Tool

Item #: 18187650

(71)

Skewdriver Pro SPK4042

Skewdriver Pro SPK4042

Ratcheting straight and offset screwdriver set with 40 bits (Skewdriver Pro with ratchet handle, pictured)

Item #: 180SPK4042

(8)

$49.99
Add to Cart
Spec Tools SQR-200a Squeeze Wrench

Spec Tools SQR-200a Squeeze Wrench

Narrow space ratchet kit with 18 sockets

Item #: 180SQR200A

(1)

$49.99
Add to Cart
Bojo Trim Panel Tools

Bojo Trim Panel Tools

Set of 6 pry tools — helps remove interior and exterior trim and door panels

Item #: 126CR6LNGL

(3)

$29.99
Add to Cart
Install Bay IB35400

Install Bay IB35400

Premium door panel and trim tool

Item #: 12035400

$15.99
Add to Cart
Install Bay 3320

Install Bay 3320

Auto-ranging digital multimeter

Item #: 1203320

$39.99
Add to Cart
Posi-Products™ Car Speaker Connectors

Posi-Products™ Car Speaker Connectors

8 connectors for installing car speakers

Item #: 669PP502

(20)

$11.99
Add to Cart
DEI Heat Shrink Tubing

DEI Heat Shrink Tubing

Black 4-foot length (Assortment)

Item #: 696010839

(8)

$24.99
Add to Cart
Bass Blockers

Bass Blockers

Pairs (300 Hz cut-off)

Item #: 127BB300A2

(84)

Questions & Answers Ask the community. Share your knowledge.

1 question already asked

Thanks for your question. For information on selecting the best amp 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  Sep 08, 2014 ]  Staff