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Kenwood KFC-1666S

6-1/2" 2-way car speakers

198 Reviews | 7 questions - 14 answers

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Overview

Our take on the Kenwood KFC-1666S

There comes a day when you just can't bear to drive another mile, listening to muddy-sounding speakers. When you finally reach the breaking point, Kenwood's Sport Series speakers are your go-to solution without breaking the bank.

Dependable sound

There comes a day when you just can't bear to drive another mile, listening to muddy-sounding speakers. When you finally reach the breaking point, Kenwood's Sport Series speakers are your go-to solution without breaking the bank.

Solid lows and clear highs

The KFC-1666S 6-1/2" 2-way speakers feature polypropylene cones that will enrich your music with solid midbass oomph and dynamic midrange, while the 1" balanced-dome tweeters will bring new life to the high range. Kenwood also includes sharp-looking grilles in case you're doing a custom installation in your vehicle. Best of all, you can safely power these with your car stereo and still enjoy your music the way it was meant to be heard, with clarity and emotion.

Product Highlights:

  • 6-1/2" 2-way speakers (pair)
  • polypropylene woofer with treated cloth surround
  • 1" PEI balanced dome tweeter
  • grilles included
  • handles up to 30 watts RMS (300 watts peak power)
  • impedance: 4 ohms
  • frequency response: 40-22,000 Hz
  • sensitivity: 90 dB
  • top-mount depth: 1-11/16"
  • warranty: 1 year
  • Our 60-day money-back guarantee

What's in the Box:

  • Two 2-way speakers
  • 2 Grilles
  • Two 12" Lengths of speaker wire (each has female quick-slides on one end and bare wire on the other)
  • Eight 1" Screws
  • 8 Speed clips
  • Warranty information
  • Specifications and template on the box

Fit perfectly on my '13 Leaf with the included adapters and wiring. Sound much better than stock!

Roberto, Palmdale, CA

Reviews

Kenwood KFC-1666S Reviews

Average Customer Review(s):

(198 Reviews)
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Details

Hands-on research

Features and Specs

General
Speaker Size 6 1/2
Design 2-way
Tweeter Design 1" Balanced Dome
Impedance (Ohms) 4
Tweeter Composition PEI
Woofer Composition Polypropylene
Woofer Surround Treated cloth
Parts Warranty 1 Year
Labor Warranty 1 Year
Specifications
Sensitivity (1W at 1 meter) 90
Sensitivity at 2.83 volts N/A
Frequency Response 40 - 22k Hz
Minimum RMS Wattage ---
Maximum RMS Wattage 30
Peak Power Handling (Watts) 300
Top-mount Depth (Inches) 1 3/4
Bottom-mount Depth (Inches) N/A
Cutout Diameter or Length (inches) 4 15/16

Product Research

Features

Tweeters: Each speaker has a 1" PEI balanced dome tweeter. A semi-dome tweeter has a dome placed inside a cone. Balanced dome tweeters are semi-dome tweeters with equal reproduction area given the cone and dome portions of the tweeter. PEI (Poly-Ether-Imide) is a polymer film that produces a wide soundstage for superior imaging.

Mounting: The speaker basket has multiple mounting holes and is designed to fit a standard 3-hole 6-1/2" application, Ford's 4-hole 6-1/2" application, and a standard 4-hole 6-3/4" application. (When mounting in a 6-3/4" application, use a speaker baffle to seal the inner ring of screw holes.)

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.

Accessories
Q & A

Customer Q&A

7 questions already asked

Actually, David, I installed them in my Lexus, not my Land Cruiser. [ Gavin  Oct 26, 2018 ]
I would say that if you have even a little experience doing installation, then it isn't hard. I found some YouTube videos about removing the door panel, and it was easy after that. Make sure that you observe how to put the automatic door lock mechanism back in place. Also, when testing the new speakers, be aware that if the stick tweeter isn't plugged in, the new speaker won't work. [ Gavin  Oct 26, 2018 ]
Should be pretty easy. I installed it on my 1997 Nissan Sentra in about an hour. Then took me about a half hour to install it on my 1998 Honda Accord after the Sentra died. [ Derick  Oct 26, 2018 ]
As long as the rms power doesn't put more power than what they are rated for you'll be fine [ daniel  Oct 02, 2018 ]
Yes it does [ Robert  Aug 08, 2018 ]
what do you mean i need a better decryption [ Jayson  Aug 08, 2018 ]
I don't know mine were installed in a 2007 GMC Canyon they sound pretty good And bass seems to improve over time [ CLIFFORD  Apr 17, 2018 ]
Not really sure what you are referring to but, the speakers are pretty universal. I would check online and see what other owners have done or get an idea of what you may run into. [ ENRIQUE  Apr 16, 2018 ]
I used these speakers in my front doors. If you're using these for the doors, they'll fit perfectly. [ Michael  Apr 16, 2018 ]
For my application on a 2000 Accord it was plug and play, the speakers fit into the stock mounts perfectly and the wires connected no problem (with the included wiring harness they gave me) [ Danielle  Apr 02, 2018 ]
When I installed mine Crutchfield supplied the speaker mounts and connector to make the install as easy as possible. Now I don't know the type of car your installing them in or where your getting them from, but if you haven't purchased them yet I recommend crutchfield.com. [ Robert  Apr 02, 2018 ]
It's two speakers--left and right. [ Don  Mar 12, 2018 ]
You will receive 2 speakers..... [ JOSE  Mar 11, 2018 ]
Thanks for your question. For information on comparing two or more models 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 and help you make the best choice for your system and your budget. [ Krissy  Feb 14, 2018 ]  Staff
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