Kicker KS Series 4" Coaxial Speakers - 44KSC404
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KICKER’s® elite coaxial upgrade offers the accuracy and volume you’ve been missing. With extended bass and the smoothest highs. Fits most GM and Jeep models.

KS Series 4" Coax

The KSC Four Inch Coaxial Speakers delivers the smooth, accurate audio you’ve been craving.


  • High Power Handling
  • Extended Dynamic Range
  • Silk Dome Tweeters For A Smooth Sound
  • Polypropylene Woofer And Tough Rubber Surrounds
  • Thin-Mount Design Easily Fits Behind Factory Grilles
  • Grilles Included
  • Tweeter position lowered on each driver to fit even more cars
  • These KSC speakers work best with 75 watts of recommended power. See below for more details.
Tweeter Magnet MaterialNeodymium
Tweeter Protrusion [in,mm]0
Bottom Mount Depth [in, mm]2-1⁄16, 51
Top Mount Depth [in, mm]1-13⁄16 , 46
Mounting Hole Diameter [in, mm]3-11⁄16 , 94
Frequency Response [Hz]60-20k
Sensitivity [1W, 1m]88
Continuous Power Handling [Watts RMS]75
Peak Power Handling [Watts]150
Rated Impedance [Ω]4
Tweeter [in,mm]½, 13
Mid [in, mm]Not Applicable
Woofer [in, mm]4, 100
Speaker Design2-Way
Tweeter Dome MaterialSilk
Tweeter DesignBalanced Dome
Woofer Cone MaterialPolypropylene
Woofer Surround Material Rubber

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