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Kicker CS Series 6x8" Coaxial Car Speaker - 40CS684

Abt Model: 40CS684 | UPC Code: 713034064282
 Discontinued Product This item is no longer available from our website.
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Kicker - 40CS684 - 6 x 9 Inch Car Speakers
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Reliable, Remarkable-Sounding Coaxial For Easy Drop-In, Factory Upgrades/ Reduced-Depth Baskets Allow Fitment Into Virtually Any Vehicle Application/ Most Models Feature Zero Tweeter Protrusion For No Interference With Factory Grilles/ Highest Power Handling Ever For Any KICKER Entry-Level Coaxial/ Extended Voice Coils/ Black Finish
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Product Details

Kicker CS Series 6x8" Coaxial Car Speaker - 40CS684

CS-Series Coaxial and 3-Way Speakers have been designed to fit nearly every make and model of vehicle, making for a manageable, drop-in audio solution that delivers acclaimed KICKER performance and durability at the most affordable price.

CS Coaxial and 3-Ways are available in eight sizes and have been optimized to fit almost any cutout, providing a substantial upgrade to factory speakers and the perfect complement to a KICKER Yellow audio system. They feature drastically reduced mounting depths on woofer baskets and zero tweeter protrusion* for absolutely no physical interference with factory grilles, providing drivers that fit factory locations in numerous vehicles.

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. Lightweight, 13mm PEI-dome tweeters offer superb clarity and volume, helping each CS-Series Coaxial pair provide substantially high power handling and superior sound over factory drivers.

A rugged 6x9-inch 3-way remains a popular model, which includes an integrated 2-inch midrange driver for extra audio output and range.


  • Reliable, remarkable-sounding coaxial for easy drop-in, factory upgrades
  • Reduced-depth baskets allow fitment into virtually any vehicle application
  • Most models feature zero tweeter protrusion for no interference with factory grilles
  • Highest power handling ever for any KICKER entry-level coaxial
  • EVC™ (Extended Voice Coils) and a heavy-duty motor structure provide the foundation for signature sound


  • Woofers (in, cm) 6x8, 16x20
  • Midranges (in, cm) n/a
  • Tweeters (in, cm) 1/2, 1.3
  • Impedance (Ohms) 4
  • Max Rec. Amp Power (watts peak) 225
  • Max Rec. Amp Power (watts RMS) 75
  • Sensitivity (dB 1w/1m) 90
  • Freq. Response (Hz) 45-20k
  • Mounting Depth (in, cm) 2-3/16, 5.6
  • Mount Diameter (in, cm) 5x7-3/16, 12.6x18.2
  • Grilles no

Approximate Weight:

  • Unit: 10 lbs
  • Shipping: 12 lbs

Approximate Dimensions:

  • Depth: 2.19"
  • Diameter: 5x7.19"

Warranty Information:

  • Manufacturer Warranty (authorized online retailer): 1 Year Parts And Labor
More reasons to buy the Kicker 40CS684 from Abt Electronics
  • is an authorized dealer (Learn More).
  • The Kicker 40CS684 is Brand New.
  • The Kicker 40CS684 Ships in a Factory Sealed Box.
  • Abt ships this product for free!
Kicker CS Series 6x8" Coaxial Car Speaker

Kicker CS Series 6x8" Coaxial Car Speaker


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