Kenwood KFC-ST01

1" balanced dome tweeters

Item #: 113ST01

In Stock

21 Reviews

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Raise the soundstage

A pair of Kenwood's KFC-ST01 balanced dome tweeters can make a big improvement in your system's soundstage. The balanced dome design offers wide dispersion for excellent imaging, and this 1" polyetherimide tweeter can handle up to 40 watts RMS. Kenwood includes in-line high-pass filters that maintain the high-efficiency, low-distortion output. Install these tweeters in a good spot, and you'll hear your system come alive with new details.

Installation note: You'll need a pair of our universal backstraps to install these tweeters in the factory locations.

  • 1" PEI balanced dome tweeters
  • surface-mount only (includes an angled mounting cup)
  • in-line crossovers housed in mounting cups
  • frequency response: 5,000-25,000 Hz
  • power handling: 2-40 watts RMS (160 watts peak power)
  • sensitivity: 90 dB
  • warranty: 1 year
  • Our 60-day money-back guarantee

Kenwood KFC-ST01 Reviews

Average Customer Review:

21 reviews
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Written By Jeff, Louisiana on Wednesday, November 25, 2015

Crutchfield Customer Review (What's this?)

I wasn't aware that a bracket had to be fab'd. Sort if complicated

Pros: Cost

Cons: Installation

Kenwood tweeters

Written By Jluv, Connecticut on Wednesday, November 25, 2015

Crutchfield Customer Review (What's this?)

Was blown away from the crisp clear sound and for the price can't beat it

Pros: Small and easy to install anywhere great price

Cons: Could use more angles instead of fixed


Written By Anonymous, Wisconsin on Sunday, November 15, 2015

Crutchfield Customer Review (What's this?)

Great sounding tweets for the price. Easy to install and look clean.

Best tweeters every

Written By Josh, New Jersey on Monday, August 10, 2015

Crutchfield Customer Review (What's this?)

This tweeters are amazing the sound is crystal clear if you like loud music. They don't crack and the sound great. I would recommend this to anyone

Pros: Great sound amazingly clear

Cons: Hooking them up was a bit of a pain but as long as you know how to wire then you good


Written By speakerman, Nebraska on Tuesday, June 09, 2015

Crutchfield Customer Review (What's this?)

they are a great value and they sound great for the price. brings out the high end of all types of music. they look great.

Pros: look really good sound great for the price.

Cons: was hopping for just a oem replacement but had to fabricate them in over the top of the existing location

Awesome sound

Written By perks, Menifee, California on Tuesday, March 10, 2015

Crutchfield Customer Review (What's this?)

These speakers will leave your ears ringing. Huge improvement over the stock ones that were in there. I would give these speakers a 5 if the mounting bracket wasn't so flimsy. It does work, but it could have been better.

Pros: Good sound, small, kenwood name and price.

Cons: Bracket

Just what I expected!

Written By Jack, Barnegat, NJ on Friday, February 06, 2015

Crutchfield Customer Review (What's this?)

Good instructions, nice look, good sound.. Just what I expected!

Pros: Size,sound

Excellent tweeter for the price

Written By M, California on Wednesday, November 26, 2014

Crutchfield Customer Review (What's this?)

I use these to replace the A pillar tweeters on a 2000 Sienna Van, it made such an improvement to the sound stage, and the clarity of the highs is quite impressive for the price. Job well done at Kenwood.

So far, so good

Written By Eric, North Carolina on Thursday, November 13, 2014

Crutchfield Customer Review (What's this?)

These little tweeters sound amazing. You cannot go wrong with these for the price. I paired them with Kenwood 5x7's powered by an Alpine amp for the front doors of my F-150. Really improved the sound! Would definitely recommend these. If the tweeters in the rear doors ever go I will replace them with these.

Pros: Good price, great sound!

Cons: Mounting was a little tricky, would rather have adjustable angles rather than fixed. The mounting brackets could have been better, I wound up not using them and fabricating my own.

great little speakers!

Written By Fitz, Texas, Earth. on Sunday, November 09, 2014

Crutchfield Customer Review (What's this?)

Great addition to my truck. Sure they weren't intended for installation in a 40 year old pickup, but a little modification to the mount plates, and done. Amazing how well they work for the price.

Pros: Great sound, easy install.

Cons: mount plates are a little flimsy for anything other than a flat surface. Not a big deal..

Great pair of tweeters

Written By Anonymous, Manassas, VA on Thursday, September 25, 2014

Crutchfield Customer Review (What's this?)

After putting in a 12' subwoofer, treble was much needed. I have recently upgraded my entire system, front to back with nothing but kenwood products. Not only was I blown away by the performance of these tweeters but every kenwood product I own. This is a great buy.

Kenwood add-on Tweeters

Written By James, Twin Lakes, WI on Tuesday, September 23, 2014

Crutchfield Customer Review (What's this?)

This is a very helpful product. I added a pair of them on in my van because my co-axial speakers were aiming at my knees. I ordered a second pair for the back seats, too, but I'm going a different way with that. The only thing is that the mounting angle is a little peculiar. It has to point 20 degrees off the mounting axis. There is some misunderstanding as to the resistance these add-ons contribute to your channel. Do they make your load 2 ohm? A lot of inconsistent answers. Well, after calling Kenwood, and about half of Crutchfield's tech's who differed greatly on their response to that question, I don't think so. It's a 4 ohm nominal load, but the power draw is so small apparently the amp doesn't see them, much. But they work and sound great and are just what you need.

Pros: Good sound up from the knees/Low cost/flexibility

Cons: Some small effect on resistance, maybe.

Crutchfield response on Wednesday, September 24, 2014 Adding tweeters to your door speakers will help improve the sound of your music and raise the soundstage up from the floor. But their effect on the system is sometimes confusing. James is correct that the new tweeters will have minimal impact on power and impedance. While it's true that the tweeters are 4 ohm and they're usually being wired in parallel with the door speakers, they don't create a 2-ohm load on the system because they require such a small amount of power to do their work. The actual impact on the impedance load is fairly negligible.

Kenwood KFC-ST01

Written By Anonymous, payson, arizona on Tuesday, August 12, 2014

Crutchfield Customer Review (What's this?)

These Kenwood tweeters have brought life back to my worn out system, they are really clear and the sound output is fantastic.

Pros: Easy to install, great sound output, and they are a fairly cheap way to make your system come alive.

Cons: Absolutely none so far.

Kenwood tweeters

Written By SteveR, Warwick, RI on Tuesday, June 17, 2014

Crutchfield Customer Review (What's this?)

Despite a recent full Crutchfield radio and sub-woofer amp and 5 speaker upgrade to my Jeep TJ it still lacked a crisp ear level punch. Incorporating these Kenwoods into the mix solved that dramaticly! Quick and easy eye level mount on the A pillar plastic trim and wired quickly to my front speaker with th supplied mounting and wire kit and the high freq sonic void eliminated! Install pic's of these and other components to be posted soon. Great deal for the low cost in this particular case and I recommend a set for all Jeep owners...

Pros: Easy to install and integrate into your system. Good crisp highs..

Cons: Supplied wiring kit not compatible in this application. Required crimp connectors or hand soldered as the best method.

Twitters were great

Written By Diana n, Willingboro nj on Friday, June 13, 2014

Crutchfield Customer Review (What's this?)

Love itttt

Pros: Makes music sound a lot better

Cons: I wish they had more watts lol

Good tweeters

Written By Tiny, San Jose, CA on Saturday, May 03, 2014

Crutchfield Customer Review (What's this?)

I admit that the time and frustration these caused me were due to my blatant lack of knowledge about speakers in general. I thought all speakers were the same and that it didn't matter what they run off. Boy was I wrong, for starters these tweeters look really nice, they feel pretty good quality and the install took me about 20 minutes per. The sound is good but it would be better if I had known they ran 40 rms, I have them powered by my HU which only puts 22 rms out. So if I had them working off and amp the sound would be great.

Kenwood KFC-ST01

Written By LionelL, Bandera,TX on Friday, April 18, 2014

Crutchfield Customer Review (What's this?)

Love this tweeters!!!

Pros: great sound and can't beat the price.

Cons: none.


Written By Colin, Newark, NJ on Saturday, March 22, 2014

Crutchfield Customer Review (What's this?)

Don't waste your money on any other tweeters than these. I paired them with my 6x9 side speakers and 4" front ken woods and the crisp clarity from them are excellent. My neighbors will def come to hate me!

Pros: Clarity!!! Easy to mount anywhere

Kenwood KFC-ST01 install

Written By Jim, Whitsett,NC on Saturday, February 08, 2014

Crutchfield Customer Review (What's this?)

Install was easy. I mounted them on the B pillar of a Ford F-150 crew cab. The sound is great you just have to spend some time getting the X-over point right.

Pros: Easy installation. Good sound.

Cons: Takes some time to get the best sound out of them.

Great sound for the price.

Written By MartyA, Narragansett, RI on Wednesday, October 03, 2012

Crutchfield Customer Review (What's this?)

Easy install and crisp sound. Made a big difference.

Not good

Written By Anonymous, St. Louis on Saturday, September 29, 2012

Crutchfield Customer Review (What's this?)

Item wasn't very good! To small barely any sound was produced!

Pros: Sleek looking

Cons: Small, barely any sound

Crutchfield response on Tuesday, October 02, 2012 We forwarded this review to our Technical Support team for follow-up. Lifetime tech support comes with every Crutchfield purchase.

Hands-on research

What's in the box?

Download owner's manual

  • 2 Tweeters in surface mount housings (each has a 6" wire attached)
  • 2 Mounting brackets
  • 2 Adhesive mounting pads
  • Two 80" Lengths of speaker wire
  • 4 Male crimp-on bullet connectors
  • 4 Female crimp-on bullet connectors
  • 8 Crimp connector covers
  • Four 5/8" Self-tapping screws
  • 4 Speed clips
  • Warranty information
  • Instructions and specifications on the box

Product Research


PEI Dome Tweeters: The 1" dome tweeters are made of Poly-Ether-Imide (PEI); PEI is a polymer film that produces a wide soundstage for superior imaging.

Crossover: The 6 dB/octave crossovers are mounted inside the surface mount housings.

Mounting: The tweeters are surface mounted in the angled housing (approximately 20°) and have these dimensions:

  Surface Mount
Mounting Depth 0.7" (mounting screw depth)
Mounting Height 1.01"
Frame Width 1.856"
Frame Length 1.876"

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.