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Kenwood

Kenwood KFC-1666S Car Stereo Speaker 6-1/2" 2-Way Speakers with Powerful Sound and Easy Installation - Elevate Your Car Audio

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Availability: Only 6 left in stock, order soon!
Fulfilled by Amazon
Arrives Sep 2 – Sep 6
Order within 17 hours and 13 minutes
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Features

  • Superior Sound Reproduction - Experience immersive audio with KENWOOD Car Stereo Speaker KFC-1666S, featuring 6-1/2" 2-way speakers, delivering impressive clarity and powerful bass.
  • Enhanced Audio Performance - The polypropylene woofer with treated cloth surround ensures precise and impactful bass response, while the 1" PEI balanced dome tweeter produces crisp and detailed highs
  • Effortless Installation - Grilles are thoughtfully included, making installation a breeze and providing added protection to the speakers, ensuring a seamless upgrade for your car's audio system
  • High Power Handling - These speakers handle up to (300 watts peak power), allowing you to turn up the volume without compromising on sound quality
  • Wide Frequency Range - With a frequency response of 40-22,000 Hz and impedance of 4 ohms, the KFC-1666S covers a broad range of frequencies, delivering a well-balanced audio experience with a sensitivity of 90 dB

Description

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. To improve sound quality To realize clear sound To fit for wider car selection

Brand: Kenwood


Speaker Maximum Output Power: 300 watts


Frequency Response: 22000 hertz


Connectivity Technology: Wired


Audio Output Mode: Stereo, Surround


Audio Output Mode: Stereo, Surround


Mounting Type: Flush Mount


Enclosure Material: Polypropylene, PEI


Speaker Type: Coaxial


Additional Features: car stereo, double din car stereo, pioneer car stereo, car stereo bluetooth, kenwood car stereo, bluetooth car stereo, pioneer double din car stereo, alpine car stereo, android car stereo, touch screen car stereo, single din car stereo, car stereo with backup camera, sony car stereo, indash car stereo touch screen, double din car stereo with navigation, 2 din car stereo, car stereo harness, car stereo wire harness, car stereo wire harness connectors, posi car stereo wire harness connectors


Antenna Location: For Surround Sound Systems


Subwoofer Diameter: 4.96 centimeters


Color: Black


Is Waterproof: FALSE


Warranty Type: Limited


Control Method: Touch


Speaker Size: 6.5 inches


Woofer Diameter: 6.63 inches


Specific Uses For Product: Car Audio Systems


Speaker Maximum Output Power: 300 watts


Input Voltage: 12 volts


Unit Count: 1 Count


Item Dimensions D x W x H: 3.6"D x 7.6"W x 13.5"H


Item Weight: 2.8 pounds


Compatible Devices: MP3 Player, Smartphone, Tablet


Compatible with Vehicle Type: & SUVs, Select Cars, Truck


Power Source: Corded Electric


Brand: Kenwood


Model Number: KFC-1666S


Model Name: KFC1666S


Built-In Media: 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


Warranty Description: 1-Year Manufacturer Warranty


Number of Items: 1


Customer Package Type: FFP


Series Number: 1666


UPC: 019048222879


Global Trade Identification Number: 79


Manufacturer: KENWOOD


Frequency Response: 22000 hertz


Number of Audio Channels: 2


Impedance: 4 ohm


Connectivity Technology: Wired


Wireless Technology: No Wireless Communication Technology


Subwoofer Connectivity Technology: Wired


Connectivity Protocol: Wired (Aux, RCA, Speaker Wire)


Audio Driver Type: Dynamic Driver


Audio Driver Size: 6.5 inches


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Sep 2 – Sep 6

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews

    • Good High/Mid very little bass (on stock head unit 15-20rms)
Review Image by Jordan
Good highs and mids pretty much no bass but I bought them because I have a subwoofer so I don’t need bass from the door speakers. These are definitely louder than my stock 2018 Camry se door speakers with factory head unit no amp but my stock did have some bass theses pretty much don’t if you have a sub and want new speakers without a amp these are great for louder high/mids go for it if you got a amp get something bigger for 30 dollars great lil speakers I had to buy a adapter for the speakers and wire harness for about 20 ... show more
Reviewed in the United States on June 12, 2026 by Jordan
    • Great mustang door speakers
Installed in a 91 mustang convertible. Thin enough for the windshield not to hit. Excellent fit and excellent sound
Reviewed in the United States on July 24, 2026 by Amazon Customer
    • Love these speakers
I put these in my 92 Nissan hardbody to replace the speakers that were in there when I bought it from somebody a few years ago they’re sound great and loud. What’s really impressive is it that I’ve got a 1992 hardbody that I bought from in front of somebody’s house for $900 I was delivering Chinese food at the time and I would deliver to this guy every so often and I would just ask him hey if you ever want to sell that truck no no no it’s my son‘s. He doesn’t wanna sell it but one day he’s like yeah my son wants to sell it and it wouldn’t start so I had to go buy a battery and at the time this is right before Covid before prices got crazy on everything and I got this little 1992 Nissan hardbody manual transmission for 900 had to put about 1000 into it to get things working properly, like a new fuel pump, plugs, and wires distributor but she’s a great truck and I love having a secondary vehicle that has no modern BS on it. It’d be really nice if they would make small trucks again especially with these crazy gas prices in 2026. ... show more
Reviewed in the United States on May 23, 2026 by Michael Edward
    • They work
These speakers are better than nothing, and with proper placement they can produce good sound. I installed them in my 2017 Forester, but because the mounting location was low—almost down by my ankles—the audio sounded muddy. I later moved them to my 2000 Silverado, where they sounded better due to being positioned higher on the door. When I installed them in a box at about shoulder height, the sound was optimal. ... show more
Reviewed in the United States on November 30, 2025 by Ray Smalley
    • Good set
Berry nice sound
Reviewed in the United States on August 13, 2026 by andrey
    • Quality replacement Speakers at a great price!
I installed these Kenwood 6.5" speakers in the front doors of my work vehicle 1998 Nissan Altima that had the factory original speakers that were making all kinds of noises. These speakers fit perfectly making installation very easy! The price was right for a good quality replacement speaker and considering I normally listen to talk radio or podcasts VIA my cell phone this was a solid investment. Thank you Amazon for yet another great transaction and super fast and professional delivery! ... show more
Reviewed in the United States on June 10, 2026 by Karen and Michael
    • Great Sound! Cheap price.
Wow, these coaxial speakers sound great for a cheap price. I paired these with a 50W per channel receiver, and they deliver without distortion at high volume.
Reviewed in the United States on August 18, 2026 by Thomas
    • 6 1/2 Speaker(s) Really?
Review Image by PoloGuy
Review Image by PoloGuy
Review Image by PoloGuy
Review Image by PoloGuy
Review Image by PoloGuy
Review Image by PoloGuy
Review Image by PoloGuy
First, I would like to thank the Audio Watt Store for sending their shipment asap! Now let’s get down to Business. It was exactly 25 years ago when I replaced my OEM speakers in my brand new car with the Kenwood KFC 1668S (140 watts/ 92db. Since it has been decades, I thought that possibly Kenwood now JVC Kenwood would have stepped up to the plate being that audio has changed in so many ways. When comparing the new with the old, the only thing that I can detect is the highs are a little clear but other than that, they’re the same speaker. Disappointed? I thought maybe the speaker would have evolved but hasn’t. Keep in mind, when dealing with a speaker of this caliber and size magnet you will not experience a lot of bass. Unless, you connect a subwoofer, or adjust the equalizer in your head unit. I would really like to know how these could be classified as 6 1/2 in speakers. The bass cone measures only 5 inches. I purchased a pair of 6 1/2 inch speakers from Pioneer, they did not fit so I don’t know why they classify these as 6 1/2, they’re not. It appears that if I want better sound, I would end up having to drill additional holes in my door panel, which I really have no interest in doing. I ordered the matching Kenwood KFC-69665S 400 Watt, 3 Way configuration, 6 x 9 speakers. I doubt there’s gonna be any significant difference compared to my former Kenwood KFC-6976 160 watt, 6 x 9 besides wattage. ... show more
Reviewed in the United States on June 21, 2024 by PoloGuy

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