Kenwood KFC-C5798RS
5x7" Kenwood RS Series 2-Way Custom Fit Car Speakers - 80W RMS & 320W Peak
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Kenwood KFC-C5798RS 5x7" Oval Custom Fit 2-Way Coaxial Speakers
The Kenwood KFC-C5798RS is a high-performance 5x7" 2-way coaxial speaker system engineered for effortless installation in factory speaker locations. As part of the RS Series, these speakers feature a Diamond Array Pattern woofer and Sound Field Enhancer technology to deliver a wider, more natural soundstage with minimal distortion. With its slim design and low-profile tweeter, the KFC-C5798RS is the perfect high-clarity upgrade for vehicles requiring 5x7" or 6x8" oval speakers.
Elite Performance Features
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Diamond Array Pattern Woofer: The specialized polypropylene cone utilizes a diamond texture to increase structural rigidity, which reduces distortion and ensures accurate, punchy bass.
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Acoustic Sound Harmonizer: Strategically placed holes in the tweeter panel control sound waves from the woofer, resulting in a smoother, more natural tone in the critical 3,000 to 4,000 Hz range.
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Sound Field Enhancer: A unique tweeter shape that creates a wider sound field and strong frontward projection, specifically enhancing frequencies above 5kHz for better audio dispersion.
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Factory Location Fit: Featuring a low-profile 1-3/16" balanced dome tweeter, these speakers are designed to fit behind factory grilles in most doors and dash locations without modification.
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Advanced Heat Dissipation: The magnetic circuit uses a black-painted yoke and plate to release heat efficiently, which reduces voice coil temperatures and significantly improves long-term durability.
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Optimized Woofer Damper: Stress-leveling points on the damper increase mechanical life and provide a smoother sound response even during high-excursion playback.
What’s in the Box?
This pair of speakers includes all the necessary hardware for a standard installation:
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(2) 5x7" 2-way Coaxial Speakers
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(2) 12" Lengths of Speaker Wire (with female quick-slides for easy connection)
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(8) 1-1/8" Self-Tapping Screws and (8) Speed Clips/Nuts
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(8) Collars/Spacers
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Warranty Card, Owner's Manual, and Mounting Template
Technical Specifications
| Feature | Details |
| Speaker Size | 5" x 7" Oval |
| Design | 2-Way Coaxial |
| Power Handling | 80 Watts RMS / 320 Watts Peak (Per Speaker) |
| Frequency Response | 69Hz - 20,000Hz |
| Impedance | 4-Ohm |
| Sensitivity | 88 dB @ 1W/1M |
| Mounting Depth | 2-1/16" (Shallow fit for factory doors) |
| Tweeter | 1-3/16" PEI Balanced Dome |
What Others Are Saying
Eddie was great - SDCS installed a new head unit in my 2019 4Runner. He was honest in his opinions regarding the options I was considering. Pricing was also good - he was able to reuse some of my existing installation kit so I saved a bit of $$.Installation was clean and fast and he took the time to walk through the features before I left. Highly recommend!!
I had a great time at this shop! The staff really knows their stuff and took the time to explain the different options without pressure. Installation was quick, clean and professional. Everything looks factory and sounds amazing. The prices were fair and customer service was above and beyond. I highly recommend this place if you're looking for quality car audio and excellent service.
Those guys are really professional! I had a new Alpine floating head unit installed in my 2008 Mercedes, and it feels like a brand-new car. The installation was super clean. At first, the sound wasn’t the same as the factory stereo, but Kevin tuned it to be just as good—if not better—without adding any new amps. They even used my factory GPS antenna so I don’t have extra wires hanging out. On top of that, they matched the online price. Big thanks to Kevin and Eddie—highly recommended!
Kevin was awesome, he took his time and explained everything to me. I went in initially for a dash cam install and then decided to get a sub and amp installed as well. Both turned out great and will be returning if I need more work done.
Came In not knowing what to expect when suddenly my stereo stopped working. Spoke with Kevin in the front and after a VERY fast diagnosing they discovered my wiring was incorrect. After only about 45 minutes total being in the store I was on my way to the beach with a working stereo again! Thank you so much SDCARSTEREO
Highly recommend Kevin and the team at San Diego Car Stereo for any issues with aftermarket stereos. I bought a car with an aftermarket stereo and AC unit that wasn’t working properly—specifically, the heat wasn’t functioning due to an improper setup. I had several people look at it with no luck, and even the dealership basically refused to help because it was an aftermarket install. I came to Kevin and his team over the holidays feeling pretty defeated, but he was confident he could get the heat working before I headed back to a Colorado winter. Sure enough, he got it done.
FAQ
Do products purchased from San Diego Car Stereo come with a warranty?
Yes, all products come with a 1-year manufacturer warranty unless otherwise stated. This covers any defects excluding physical damage.
Are these products brand new?
Yes, every product we sell is 100% brand new, unused, and comes in original manufacturer packaging unless clearly marked otherwise.
Do you offer installation services?
Yes, we offer professional installation services at both of our San Diego Car Stereo locations. Our expert technicians have over 50 years of combined experience to install all of your car, marine, or offroad audio needs. Stop by or give us a call to schedule an appointment to get a quote in person.