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Kenwood Excelon KFC-X683C

6"x8" 2-way car speakers

31 Reviews | 3 questions - 5 answers

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Our take on the Kenwood Excelon KFC-X683C

Kenwood Excelon speakers incorporate technical know-how and advanced materials to give your music the full, rich sound it deserves. These full-range speakers sport a diamond-array pattern etched into their woofers that increases the strength of the carbon-polypropylene cone for improved dynamic response and lower distortion. The butyl rubber surround resists weathering, providing reliable support that keeps your music playing, no matter what.

Upgrade excellence

Kenwood Excelon speakers incorporate technical know-how and advanced materials to give your music the full, rich sound it deserves. These full-range speakers sport a diamond-array pattern etched into their woofers that increases the strength of the carbon-polypropylene cone for improved dynamic response and lower distortion. The butyl rubber surround resists weathering, providing reliable support that keeps your music playing, no matter what.

The KFC-X683C 6"x8" full-range speakers feature 1-3/16" balanced dome tweeters that deliver all the high-frequency details without sounding harsh. Because of their specially designed magnetic circuitry and neodymium magnets, these compact tweeters use less steel in their construction than most tweeters, so you hear more accurate response.

Priced per pair

Product Highlights:

  • 6"x8" 2-way car speakers (pair)
  • Diamond Array Pattern carbon-polypropylene woofer
  • butyl rubber surround
  • 1-3/16" PEI balanced dome tweeter
  • power range: 2-60 watts RMS (180 watts peak power)
  • frequency response: 80-21,000 Hz
  • sensitivity: 88 dB
  • depth: 2-9/16"
  • warranty: 2 years
  • Our 60-day money-back guarantee

Great sounding speakers which appear to be well built and installed easily in my F350.

Michael N, Clatskanie, OR

What's in the Box:

  • Two 2-way 6x8" speakers
  • Two 11" lengths of speaker wire (each has female quick-slides on one end and bare wire on the other end)
  • 8 Self-tapping screws
  • Warranty Card

Kenwood Excelon KFC-X683C Reviews

Average Customer Review(s):

(31 Reviews)

Exellent Speaker

Peter from Round Rock, TX on 8/6/2017

2008 Honda Civic EX
Crutchfield Customer Review (What's this?)

I replaced a lower line of Kenwood speakers with the KWC-X683C model speakers. An incredible upgrade in all ranges - mids, lows and highs. These speakers produce a cleaner sound all the way around. Extremely happy customer. In addition, Crutchfield's customer service is second to none. I returned the other speakers that I was unsatified with and received a full return, no questions asked!

Pros: Great mids, highs and lows. Well built speakers.

Cons: None so far.

Kenwood Excelon KFC-X683C

Michael N from Clatskanie, OR on 6/12/2017

2016 Subaru Impreza
Crutchfield Customer Review (What's this?)

Great sounding speakers which appear to be well built and installed easily in my F350.



Phenomenal Sound

Justin from Poplar Grove, IL on 6/6/2017

2006 Mazda MX5
Crutchfield Customer Review (What's this?)

These speakers are AWESOME! I paired these with the Kenwood KMM BT518HD media receiver. As always, Kenwood never disappoints. These speakers have crisp highs and the bass is unbelievable, especially with no amp. I purchased these to replace the stock door speakers in my Mazda MX-5.



Fantastic upgrade speakers!!!

Russ from Mogadore, Ohio on 4/12/2017

2012 Ford F-150 FX4
Crutchfield Customer Review (What's this?)

I ordered 2 sets of these speakers for front and rear doors on my 2012 F150 ecoboost! They arrived today and I installed them in less than 2 hours! I knew the stock speakers were junk. The difference after installing these speaker is night and day. I am using the stock unit and no amp. I am 59 and like my music semi loud. These fit the bill for my needs! Fantastic sound from these speakers and I highly recommend them.

Pros: Great very defined sound. Really let's you hear every instrument in detail!'

Cons: None

Kenwood Excelon KFC-X683C

Horacio from Brooklyn on 2/15/2017

2009 Ford Escape
Crutchfield Customer Review (What's this?)

The best speakers

Pros: Nice

Cons: Great product

Great speakers easy install

David from Burlington, IA on 12/26/2016

2003 Ford F-150
Crutchfield Customer Review (What's this?)

Sounds great and the install was way more simple than I thought itd be. Just plug and play on my 03 f150.

Pros: Great sound easy install


F250 Crew Cab Diesel

Mark from Mendocino, CA on 12/1/2016

2006 Ford F-250 Super Duty
Crutchfield Customer Review (What's this?)

These sound much better than expected. Clean base notes, clear highs and balanced mids. With Dynamat on the doors, I never expected this truck to have this good of a sound.

Pros: Natural full sound

Cons: None

So far so good

T510 from Manahawkin, NJ on 10/6/2016

2005 Ford Explorer
Crutchfield Customer Review (What's this?)

Very good sound. Easily installable. Good bang for your buck. Only have had for a week or so. Hope they ontinue to move power and sound as good as they currently do.



Good speakers wish they fit the front doors

Anonymous from Muscatine, IA on 9/22/2016

2004 Ford F-150
Crutchfield Customer Review (What's this?)

I wish i had order a diffrent pair of pair of speakers so i would had a matching pair of speakers for the front and back

Pros: Better than factory and good fit

Cons: Downside is that they don't fit the front doors

Kenwood Excelon KFC-X683C speakers

Jerry B from Brunswick, ME on 7/18/2016

2014 Ford F-150 STX
Crutchfield Customer Review (What's this?)

The speakers sound very good. The install was fairly straight foward. However Crutchfields install instructions left a little to be desired. I have a 2014 F-150. Part of the install instructions call for separating a fastener on the door release cable that runs from the inside door handle to the door latch. This can be troublesome. All one needs to do is look at the handle from inside the door after removing the door trim part way. The handle fixture has two built in clips. Simply press on these and it comes out. No disconnecting of the cable necessary. Much easier and a time saver.

Pros: Very nice sounding speakers.

Cons: Install instructions need up dating. At least for 2014 F-150

Now I can actually hear my radio

Paul S from Denver, CO on 5/25/2016

1999 Ford F-350
Crutchfield Customer Review (What's this?)

I looked at a lot of different speakers. Since I added a 10" sub to the cab it was drowning out the factory speakers. I needed speakers that had loud and clear treble. I'm happy with the sound from just adding these to the front doors even with a stock head unit. I plan to upgrade the rears as well with the same speakers as well as a new head unit. They even have decent bass for a speaker that size which on my system translates to good mid range.

Pros: Good clear sound at pretty high volume.

Cons: None yet.

Huge Improvement!

Eddie B. from North Carolina on 6/2/2015

2005 Ford F-150
Crutchfield Customer Review (What's this?)

I'm loving these speakers. They are a huge improvement over my factory speakers. I have recently replaced my head unit and now that I have some decent speakers all I need is a sub.



great sound

mike from 34677 on 5/14/2015

2008 Ford F-150
Crutchfield Customer Review (What's this?)

Provided a great upgrade to my factory f150 speakers. Easy to install.



Kenwood Excelon KFC-X683C

AlC from Arizona on 4/30/2015

1997 Ford F-250 Light Duty
Crutchfield Customer Review (What's this?)

Very good speakers, easy install with Crutchfield's Instructions and wiring kit-would recommend these speakers any day and certainly enhanced the radio install in my 1997 Ford F250 that was also a Crutchfield buy. (Kenwood KDC-BT758HD). I did have to have a little help from the Crutchfield staff on the radio install but that was quickly and efficiently handled with a little different wiring harness that hooked up directly to the factory Amplifier installed by Ford. The sound on both the speakers and radio (especially the HD) is fantastic. The blue tooth hook works flawlessly. The only drawback with the radio is the clock (can't really see it) and the illumination isn't very good on the radio.

Pros: Great speakers, Good radio, easy Blue Tooth hook up with IPhone6, plays Pandora and other stuff really good.

Cons: Radio clock sucks, and the illumination of the radio dials is anemic at best.


Manuel from Flora Vista, New Mexico on 4/2/2015

2014 Ford F-150 XLT
Crutchfield Customer Review (What's this?)

You can't beat this product. I've always been a big fan of infinity, that's all I ever listened too. then I heard about these Kenwood speackers, so I broke down and ordered them might I add at a great price too. I installed myself, came with instructions as well as the wiring needed. It to longer to take door panels off lol. Anyways I'm fixing to order the back doors now. Awesome sound, awesome purchase. And special thanks to Crutchfield for customer service and quality products.

Pros: Easy installation, warranty, price, and most of all the sound and performance. Thanks kenwood. I will be replacing all my speakers with the KFC-X683C speakers.

Cons: None

Kenwood KFC-X683C

J.R. from Arkansas on 1/19/2015

2009 Ford F-150 XLT
Crutchfield Customer Review (What's this?)

Put these in a 2009 Ford F150 SuperCrew Truck. Stock Head Unit . Just replaced all 4 door speakers. These improved the sound beyond my expectations. Crisp, Clear, More Volume, The perfect choice. I could not be happier.

Pros: Well built, Fantastic Sound production from stock head unit.

Cons: None that I have found

Kenwood Excelon KFC-X683C

Mando from Kissimmee, FL on 12/1/2014

2013 Ford F-150 STX
Crutchfield Customer Review (What's this?)

Bought these for my 2013 Ford F150 STX Regular cab. Installed these in the rear of my truck and after installing them the sound changed dramatically. Sounded clearer and sharper. Just received my other pair and will be installing them in the front doors next,.



Kenwood Excelon KFC-X683C

Jim from Minnesota on 9/30/2014

2012 Ford Escape
Crutchfield Customer Review (What's this?)

I installed 4 of these in a 2012 For Escape. There is a nice update in sound clarity, but the bass doesnt keep up with the head unit Crutchfield recommended for me. I'll likely need a subwoofer to fill in the lows.

Pros: Cheap Increased Clarity

Cons: Bass distorts, even though RMS is within range

Nice upgrade

DaveC from Elizabethtown, PA on 8/17/2014

2012 Ford F-150 FX4
Crutchfield Customer Review (What's this?)

Simple swap in my 2012 F150 FX4 Super cab. Using factory head unit and no amp yet. I replaced all 4 speakers. Big difference between these and the stock speakers. Now very crisp and clear sound all around. Bass is cleaner and has more punch.

Pros: Easy install with wiring harnesses.

Cons: none yet


JW from Frederick, MD on 8/9/2014

2000 Ford Contour
Crutchfield Customer Review (What's this?)

I inherited a 2000 Ford Contour Sport. The only way I was going to drive this car was with a new sound system. These speakers are powered by a Kenwood head unit, with no amp in between. I have them in the back doors with Kenwood 3-ways in the front. The sound they produce together is fantastic and way beyond the factory speakers that came in the car.

Pros: Super easy to install.

Cons: None.

Great sound

Justin from Griffin Georgia on 5/10/2014

1998 Ford F-250 Light Duty
Crutchfield Customer Review (What's this?)

I replaced all 4 factory speakers in my 98 F-250. The sound quality of these speakers surpass my wildest expectations. You can not go wrong with these speakers and I got the discount because I paired them with a kenwood receiver. I love the sound and Crutchfield is the best.



Good stuff!

Glenn W from S.E. WI on 4/24/2014

Crutchfield Customer Review (What's this?)

I bought these beause I was so disappointed with the Kenwood KFC-C6865S "Sport Series" ones I bought originally. These KFC-X683C "eXcelon" are the real deal. Couldn't be happier with these in the front doors of a E350 Super Duty van w/OEM 6-speaker radio. I will be adding them in the back doors when time permits.

Pros: Clean sound over the entire spectrum. Clean highs, midrange, and more bass than I'd expected from speakers this size.

Cons: None.

Excellent speaker

JDK from Groves, TX on 3/1/2014

I would definitely buy these again. They have a pleasant, fairly neutral tone that isn't too bright. I usually prefer my music to be balanced, and these do that nicely.

Pros: Pleasant, neutral tone. Fairly full range. Decent power handling range. 3 ohm.

Cons: Trying to figure out 3 ohm wattage in a sea of 4 ohm wattage. Based on my calculation you're safe running a 45w@4ohm amp assuming it's 3 ohm stable. I really think that while these do a good job on bass, but if you've ever had a sub before, I think you'll still want one. With these you hear the bass drum beats, but you don't feel them. Really not a bad trade off. Excellent all round speaker but lacks that thump at low volume. Subs do that better.

Great speaker

Brandon from Owings Mills, MD on 5/8/2013

2010 Ford Fusion
Crutchfield Customer Review (What's this?)

Great speaker & simple install. Highs are crisp and clear and it has a solid woofer to produce a balanced sound. These are in my front doors and I love them. Solid product, constructed very well, and are sure to last a long time. I don't have these amped, they're powered by a Pioneer AVH-P4400BH DVD Receiver

Pros: Solid construction, quality & balanced performance

Cons: None

Very pleased

Dluedke from Paxton NE on 4/19/2013

2013 Ford F-150 XLT
Crutchfield Customer Review (What's this?)

I am very pleased with these speakers. I installed them in my 2013 F150 super crew to replace factory speakers with the factory Ford sync system. At first I was a little skeptical when I was installing them but once they were installed and I took the first listen I was sold. The fit is perfect and install was easy. Now the sound, I consider myself to be picky and these speakers sound good to me. They are very well balanced I started with the EQ in the middle and the only adjustment I have done is to up the bass one notch. In all fairness I did leave the factory tweeters in the front pillars hooked up I like the sound stage to be a little high up and they seem to blend every well. Also I have a sound ordnance self contained sub but I had to turn it way down other wise the bass was to heavy.

Pros: Well balanced great sound with factory head unit.



bemery89 from Dallas, TX on 3/27/2013

Just installed these in my 2013 mustang, in the rear deck! Man o man these babys rock. I listen to all music genres, and they vibrate the seat! Huge improvement over factory! Great bass with out the factory speaker distortion! They sounded great as soon as I plugged them in, no speaker break in required!



Sounds Great!

Anonymous from Green Bay, WI on 1/17/2013

So after much debate between different speakers I went with the Kenwood Excelon 2-ways. Went to the local electronics store and to my surprise the kenwoods sounded much better than the rest. The Alpine type S, Infinity reference and Polk 6x8's sounded flat and not nearly as full as the Kenwoods. Was sold and like always Crutchfield included the printed instruction sheet on installation and factory speaker connectors. Also the fit was perfect in a 2006 Ford Ranger with Alpine receiver and power pack...sound is great!

Pros: Nice full sound, great highs and mids along with a good bass presence


Nice improvment

Jim from Rock Springs, WY on 4/3/2012

2010 Ford F-150 FX4
Crutchfield Customer Review (What's this?)

Nice improvment over factory speakers and even with the factory radio. The install instructions included was a life saver.

Pros: Great sound and easy installation.

Cons: None

Very Satisfied

Anonymous from Santa Maria on 9/8/2010

1991 Ford F Series
Crutchfield Customer Review (What's this?)

i bought these to replace the back speakers in my 91 f250 and they sound awesome.... definitely worth the money.



Kenwood Excelon KFC-X683C

rob from Fort Collins, CO on 7/2/2010

I installed these in the front doors of my 2007 Ford Freestyle. I was blown away by the difference I noticed immediately. I am running them from the factory head unit and they still sound great and have a nice kick. After installing these I went and purchased a pair for the rear doors because the factory speakers can't even keep up with these Kenwoods.



Great speakers

Jonathan from Tacoma, WA on 5/13/2010

2008 Ford Taurus X
Crutchfield Customer Review (What's this?)

These speakers really upped the sound quality in my 2008 Ford Taurus X. I installed them in the front and rear doors and they are a noticable upgrade over the factory set. I am running them with the Kenwood DNX-9140 head unit. The build quality seems to be pretty good. I also installed some speaker baffles to help protect them and enhance the sound. Overall I am extremely satisfied with these speakers.




Hands-on research

Features and Specs

Speaker Size 6X8
Design 2-way
Tweeter Design 1-3/16" Balanced Dome
Impedance (Ohms) 3
Tweeter Composition PEI
Woofer Composition Carbon Polypropylene
Woofer Surround Butyl rubber
Parts Warranty 2 Years
Labor Warranty 2 Years
Sensitivity (1W at 1 meter) 88
Sensitivity at 2.83 volts N/A
Frequency Response 80 - 21k Hz
Minimum RMS Wattage 2
Maximum RMS Wattage 60
Peak Power Handling (Watts) 180
Top-mount Depth (Inches) 2 9/16
Bottom-mount Depth (Inches) N/A
Cutout Diameter or Length (inches) 0

Product Research


Woofers: The woofer cones are constructed of Carbon-PP (polypropylene) with a diamond array pattern.  The woofers feature butyl rubber surrounds for a smoother response and improved durability.

Tweeters: Each speaker uses a 1-3/16" PEI balanced-dome tweeter. PEI (Poly-Ether Imide) is a polymer film that has ideal sound characteristics, making it perfect for use as a tweeter. A PEI balanced-dome tweeter produces a wide soundstage for superior imaging.

Custom Fit: The 6x8" speaker's frame features two additional mounting holes which allows the speaker to fit in 5x7" openings of select Ford and Mazda vehicles.

Warranty Note: Although these speakers come with a 1-year warranty card, they are covered by the Kenwood eXcelon 2-year warranty.

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 verify what’s in the box, 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.

Q & A

Customer Q&A

3 questions already asked

The issue in the front door location is one of depth. The speakers are just slightly (.01") too deep. It may be possible to add a small spacer and get the depth you need. I'd recommend reaching out to an Advisor by phone or chat to discuss further.[ Jeff  Oct 27, 2015 ]  Staff
For 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.[ Krissy  Jun 29, 2015 ]  Staff
Should be ok. 4 ohm speakers are typically less than or greater than 4 ohms depending on frequency.[ DAVID  Mar 02, 2015 ]
No, especially if you're running of the stock head unit.[ BRANDON  Mar 02, 2015 ]
No I am doing the same thing and have been for all most two years now. They work great![ DOUGLAS  Mar 02, 2015 ]