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🎶 Upgrade your ride, own the road with Kenwood clarity!
The Kenwood KFC-1666S is a 6.5-inch 2-way coaxial car speaker system engineered for superior sound clarity and powerful bass response. With a peak power handling of 300 watts and a wide frequency range of 40-22,000 Hz, it delivers balanced audio performance. Designed for easy installation, it includes protective grilles and mounting hardware, making it an ideal upgrade for daily drivers seeking immersive, high-quality sound without complicated setups.





| ASIN | B079HJB67X |
| 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 st… |
| Antenna Location | For Surround Sound Systems |
| Audio Driver Size | 6.5 inches |
| Audio Driver Type | Dynamic Driver |
| Audio Output Mode | Stereo , Surround |
| Best Sellers Rank | #10,906 in Electronics ( See Top 100 in Electronics ) #50 in Car Coaxial Speakers |
| Brand | Kenwood |
| 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 |
| Color | Black |
| Compatible Devices | MP3 Player, Smartphone, Tablet |
| Compatible with Vehicle Type | & SUVs, Select Cars, Truck |
| Connectivity Protocol | Wired (Aux, RCA, Speaker Wire) |
| Connectivity Technology | Wired |
| Control Method | Touch |
| Customer Package Type | FFP |
| Customer Reviews | 4.5 out of 5 stars 1,712 Reviews |
| Enclosure Material | Polypropylene, PEI |
| Frequency Response | 22000 hertz |
| Global Trade Identification Number | 00019048222879 |
| Impedance | 4 ohm |
| Input Voltage | 12 volts |
| Is Waterproof | FALSE |
| Item Dimensions D x W x H | 3.6"D x 7.6"W x 13.5"H |
| Item Weight | 2.8 pounds |
| Manufacturer | KENWOOD |
| Model Name | KFC1666S |
| Model Number | KFC-1666S |
| Mounting Type | Flush Mount |
| Number of Audio Channels | 2 |
| Number of Items | 1 |
| Power Source | Corded Electric |
| Series Number | 1666 |
| Speaker Maximum Output Power | 300 watts |
| Speaker Size | 6.5 inches |
| Speaker Type | Coaxial |
| Specific Uses For Product | Car Audio Systems |
| Subwoofer Connectivity Technology | Wired |
| Subwoofer Diameter | 4.96 centimeters |
| UPC | 019048222879 |
| Unit Count | 1 Count |
| Warranty Description | 1-Year Manufacturer Warranty |
| Warranty Type | Limited |
| Wireless Technology | No Wireless Communication Technology |
| Woofer Diameter | 6.63 inches |
J**N
Good High/Mid very little bass (on stock head unit 15-20rms)
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
A**R
Great mustang door speakers
Installed in a 91 mustang convertible. Thin enough for the windshield not to hit. Excellent fit and excellent sound
M**D
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.
R**Y
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.
A**Y
Good set
Berry nice sound
K**L
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!
T**S
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.
P**Y
6 1/2 Speaker(s) Really?
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.
B**S
期待
カバー付きで厚みが薄くて軽トラのドアにも付くかと思い購入。納車後の取付が楽しみです。
أ**ي
سماعات سيارات
صوتها جميل و عالي وأدائعا رائع
A**N
Good sound for the price
I like the new sound in my car, gave life to the music bein play everytime i open the radio. 2001 Honda CRV
H**R
Excelente producto
Muy buena calidad de sonido,mejor que la original de mi auto,estoy satisfecho.
J**N
Good price for quality
Not big loud power but sounding nice for normal use and looks great amd install easy
Trustpilot
1 day ago
2 weeks ago