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Black 4-inch 2-way coaxial car speaker with grilles

Kenwood KFC-1066S 4" 2-way car speaker

SKU CH-GX13-55SY4 MPN KFC-1066S

4-inch 2-way coaxial car speakers with 10 watts RMS power and 45 Hz to 22 kHz frequency response

  • TypeTweeters
  • Speaker Size5"
  • ColorBlack
  • Woofer MaterialPolypropylene
  • Surround MaterialMetal
  • MidrangeCoaxial
  • Polypropylene cones deliver solid midbass and dynamic midrange
  • 1-inch balanced-dome tweeters extend high-frequency response to 22 kHz
  • 90 dB sensitivity produces clear sound from factory stereos
  • Shallow 1-11/16 inch mounting depth fits wider vehicle selection
  • 210 W peak power handles demanding musical passages

4-inch 2-way car speakers

The Kenwood KFC-1066S are 4-inch 2-way coaxial speakers built for drivers who want clearer sound from a factory head unit. They use a polypropylene woofer and a 1-inch balanced-dome tweeter to cover a 45 Hz to 22 kHz range. The 4-ohm impedance and 90 dB sensitivity make them easy to drive without an external amplifier. Buyers needing deeper bass or higher power handling should look elsewhere.

Thermals noise and power draw

Rated input power is 10 watts RMS with a peak capacity of 30 watts, so the speakers stay cool during normal listening levels. Passive operation means no electrical noise is added to the system. The lightweight polypropylene cone and compact magnet structure keep power demand low. Installers who plan sustained high-volume playback will need a separate amplifier.

Grilles and Sound Field Enhancer

The package includes protective grilles for a finished look in custom installations. Kenwood’s Sound Field Enhancer is designed to improve imaging and tonal balance from the listening position. An enlarged magnet circuit supports clearer output across the frequency band. No wiring harnesses, crossovers or mounting hardware beyond the grilles are mentioned in the data.

Highlights

  • Polypropylene cones deliver solid midbass and dynamic midrange
  • 1-inch balanced-dome tweeters extend high-frequency response to 22 kHz
  • 90 dB sensitivity produces clear sound from factory stereos
  • Shallow 1-11/16 inch mounting depth fits wider vehicle selection
  • 210 W peak power handles demanding musical passages

Specifications

BrandPYLE
TypeTweeters
Speaker Size5"
ModelKFC-1066S
ColorBlack
Woofer MaterialPolypropylene
Surround MaterialMetal
MidrangeCoaxial
Tweeter1 inches, Coaxial
Voice Coildynamic_driver, Polypropylene, Unspecified (tweeter)
Frame ConstructionPolypropylene, Unspecified (tweeter)
Part NumberKFC-1066S
Peak Power30 Watts
RMS Power10 Watts
Frequency Response2 kHz - 22 kHz
Impedance4 Ohm
Mounting Depth9.75 inches
Package ContainKFC-1066S
FeaturesCoaxial, 4 inches, Flush Mount, 21 watts, 22 KHz, 88, KFC-1066S

Questions about this item

How do I flush-mount the Kenwood KFC-1066S and what is the cutout diameter?

Cut a 3-5/8 inch hole, confirm the 1-11/16 inch mounting depth clears the door panel, then secure the speaker with the supplied screws and snap on the grille.

What part of the KFC-1066S is most likely to need replacement first?

The foam surround on the 4 inch polypropylene woofer typically dries out and cracks after several years, causing distortion before the 1 inch balanced-dome tweeter fails.

At what power level does the KFC-1066S reach its thermal limit during extended play?

Continuous input above the 10 watt RMS rating will overheat the voice coil; the 210 watt peak figure only applies to brief musical transients.

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