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CS Series CSC4


The CS Series delivers remarkable performance and ultra-clean bass, utilizing a heavy-duty motor/magnet structure featuring EVC™ (Extended Voice Coil) technology not found in stock speakers. They use polypropylene cones with tough, ribbed, UV-treated surrounds for precise linear excursion and reliability.


CS Series CSC4

CS-Series 4-inch Coaxial Speakers deliver accuracy, durability and a factory fit!

These coaxial speakers are a significant upgrade in your sound. A stamped-steel framework supports a rigid polypropylene cone with EVC™ (Extended Voice Coil) technology for the best sonic quality. Using zero-protrusion PEI tweeters ensures you get every bit of clarity you need, without interfering with factory grilles.

These CS speakers work best with 50 watts of recommended power. See below for more details.

  • Fits nearly every car made
  • Zero-protrusion tweeters to fit nearly any factory depth
  • Woofer EVC™ (Extended Voice Coil) tech assists with precise linear excursion
  • UV-treated poly-foam surround resists heat or direct sunlight
  • Large woofer magnet in a heavy-duty motor for ultra-clean bass
  • PEI-tweeter construction provides superb clarity
  • Neodymium tweeter magnets allow for increased volume in high frequencies
  • Steel mesh grilles included for speaker protection



Speaker Design

2 - way

Woofer Size | in [mm]

4 [100]

Tweeter Size | in [mm]

1/2 [13]

DC Resistance | ohm


Peak Power (watts, per ANSI/CTA-2031-A)


Recommended Amplifier Power (watts RMS)


Sensitivity [SPLo] | dB @ 1W, 1m


Effective Frequency Range | Hz


Mounting Hole Diameter | in [mm]

3 3/4 [95]

Top Mount Depth | in [mm]

1/4 [6]

Bottom Mount Depth | in [mm]

1 13/16 [46]

Tweeter Protrusion | in [mm]




Tweeter Magnet Material


Tweeter Dome Materia

PEI [polyether imide

Tweeter Design

Balanced dome

Woofer Cone Material


Woofer Surround Material

Polyester foam