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🚗 Elevate your ride’s soundtrack — don’t just drive, arrive in style!
The Kenwood KFC-1666S is a 6.5-inch 2-way coaxial car speaker system delivering up to 300 watts peak power with a broad 40-22,000 Hz frequency response. Featuring a polypropylene woofer and PEI balanced dome tweeter, it offers clear highs and impactful bass. Designed for easy installation with included grilles and mounting hardware, it fits most vehicles and wired audio devices, making it a top-tier upgrade for immersive in-car audio.





| 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 | #15,264 in Electronics ( See Top 100 in Electronics ) #100 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 | 4.4 out of 5 stars 1,652 Reviews |
| Enclosure Material | Polypropylene, PEI |
| Frequency Response | 22000 Hz |
| Global Trade Identification Number | 00019048222879 |
| Impedance | 4 Ohms |
| 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 |
| MP3 player | No |
| Manufacturer | KENWOOD |
| Model Name | KFC1666S |
| Model Number | KFC-1666S |
| Mounting Type | Flush Mount |
| Number of Audio Channels | 2.0 |
| 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 | 1.0 Count |
| Warranty Description | 1-Year Manufacturer Warranty |
| Warranty Type | Limited |
| Wireless Technology | No Wireless Communication Technology |
| Woofer Diameter | 6.63 Inches |
T**S
Incredible Sound at an Affordable Price – Perfect for Easy Audio Upgra
I recently purchased the KENWOOD KFC-1666S 6-1/2" 2-Way Car Stereo Speakers, and I have to say, they have far exceeded my expectations. The sound quality these speakers provide is nothing short of impressive. They deliver crisp highs and clear mid-range tones, making my daily drives much more enjoyable. The bass, while not as deep as you might get with a dedicated subwoofer, is still solid for a 2-way speaker and adds a nice depth to the music. If you're looking for a well-rounded audio upgrade that really enhances your in-car listening experience, these speakers are an excellent choice. One of the best aspects of these speakers is how easy they are to install. I was able to get them set up in my car without any hassle, and they fit perfectly in the existing speaker mounts. Even if you're not particularly experienced with installing car audio equipment, you shouldn’t have any trouble getting these up and running. What really stands out, though, is the incredible value for the price. These speakers are very affordable, but the sound quality they deliver is far better than you would expect for something in this price range. It’s rare to find such an inexpensive option that still offers such high-quality performance. If you're on a budget but don’t want to compromise on sound, these speakers are a fantastic deal. Overall, I’m really pleased with this purchase and would highly recommend these KENWOOD speakers to anyone looking for a quick and easy way to elevate their car’s audio system without breaking the bank!
H**T
Great upgrade for $40
Swapped out my two rear speakers on my 2022 Lexus is350, huge improvement over the stock ones, more clarity, bass is decent but doesn’t matter cause I have subs. Great price, worth the upgrade.
R**T
Decent but mid range could be better.
Installed in 2014 Subaru Tribeca in front door kick panel. Not a plug and play replacement. I had to drill some holes in the door frame which the cardboard template helped greatly. Separate tweeter sounds good but disappointed in the mid range. Could be louder and deeper in the mid. Did not have need for screens. Would have liked a foam gasket provided since I was installing on bare metal.
J**M
Nice upgrade to factory speakers
2015 Kia Forte LX base audio system. I installed these a few days ago and I am honestly over the moon with the improvement these have made to my vehicle sound! I haven't changed the head unit out yet but these new speakers are so much clearer and louder. Used to have to run it at max volume literally all the time but now right above the midpoint is loud enough. Bass is not a huge improvement but that's to be expected. New more powerful head unit should take care of that and I may do subs eventually...undecided. I just bought one set to do the fronts I will ABSOLUTELY be buying another set in the next few days or so to do the back set. I went with Crutchfield for speaker adapters and I got these installed in about 20 minutes - very straightforward! Will update this with any problems I have.
D**K
Good value good sound
I'm giving this a 5 star value rating. I installed in my 72 Chevy C20, mounting them in a pair of kick panels that are under the dash on each side by your feet and designed for speakers. They will accept full power from the stereo without distortion. Not a lot of bass obviously but good mid and high range - to be expected from 6 1/2" speakers. They sound good and in my standard cab can be plenty loud.
E**S
Great speaker, Especially for the price
I put these in my son's beater car. I wanted something that sounded good but it is an old junker so obviously not something super pricey. These were perfect. Huge upgrade from the stock speakers and he thinks they are the best he's ever heard. Good enough for me!
K**S
Great at the cost point
Work great for the price
A**O
Lots of mids and highs, but still great replacement speakers
Lots of mids and highs if you're installing these speakers in rear doors. Bass is almost unnoticed, but remember it's a 6 ½ in size speaker. Look great if installing with grill. Easy to connect with required adapter for Nissan vehicles. For less than 40 dollars they're ok. Better than blown original speakers.
E**A
"Kenwood"...
... de buena apariencia, sonido de muy buena calidad, calidad en relación precio -calidad...
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
J**N
Good price for quality
Not big loud power but sounding nice for normal use and looks great amd install easy
Trustpilot
3 days ago
2 months ago