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Kicker CSS684

6" x 8" 2-Way CS Series Component Car Speakers System

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Price Information

$169.95

–$20.00

$149.95

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Why Shop Sonic?

SONY Marine Gear Giveaway

Customer Testimonial

Tyler was a great help. Thank you Tyler and thank you Sonic Electonix for the great customer service.

- Wes from Nashville, TN

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  • Get a Free Sound Dampening Speaker Kit with Purchase!
    For a limited time, get a free NVX SDSK2 Speaker Kit with a qualifying pair of speakers! Sound dampening will eliminate rattles, insulate against heat, and also improve the sound and output of your speakers!
    40CSS684 thumbnail
    		 +
    FREE
    SDSK2 thumbnail
    		 =

    $149.95

    (was $164.94)

General Features:

  • 6" x 8" CSS Series 2-Way Component System
  • Power Handling:
    • Peak: 450 watts per pair / 225 watts each
    • RMS: 140 watts per pair / 70 watts each
  • Polypropylene cone material
  • Durable, Ribbed UV-Treated Polyester Foam speaker surround for precise linear excursion
  • Lightweight 3/4" Titanium Balanced Dome tweeter design for outstanding definition
  • Tweeter can be Flush, Surface or Angled mounted
  • Neodymium tweeter magnet motor structure
  • EVC (Extended Voice Coil) technology for high thermal handling
  • Shallow mounting design allows fitment into virtually any vehicle
  • Built-in phase plugs disperse woofer sound evenly
  • Substantial upgrade from factory speakers
  • 12dB/octave High Pass and Low Pass crossover filters
  • Selectable tweeter attenuation level (0, -3 & -6dB)
  • 4 ohms impedance
  • Frequency response: 40-21,000 Hz
  • Top-mount depth: 2-3/16"
  • Sensitivity: 90dB
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

Priced Per Complete Component System: 2 midwoofers, 2 tweeters and 2 crossover networks.

2011 Kicker Authorized Online Dealer and eBay Seller

Product History:

Kicker 40CSS684 thumbnail
(newest, current model)
Kicker 11DS68.2 thumbnail
(previous model, replaced by Kicker CSS684)
Kicker 07DS680.2 thumbnail
(previous model, replaced by Kicker DS68.2)

Sonic Electronix, Inc. can only ship Kicker products within the United States of America.

Speaker Specifications
Speaker Size 6" x 8"
Design 2-way Component System
Tweeter Design Dome
Tweeter Size 3/4"
Tweeter Composition Titanium
Woofer Composition Polypropylene
Woofer Surround Polyester Foam
Peak Power Handling 225 watts
RMS Power Handling 75 watts
Sensitivity 90 dB
Frequency Response 40 - 21000 Hz
Impedance (Per Voice Coil) 4 ohms
Shallow Mount Installation Yes
Top-Mount Depth 2-3/16"
Cutout Dimensions 5" x 7-3/16" 
Speaker Grilles No
Warranty and Return Policy
Return Policy Standard Return Policy
Parts Warranty Duration 1 year
Labor Warranty Duration 1 year
Warranty Provider Manufacturer
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Speaker Wire
Upgrade your factory speaker wire to aftermarket speaker wire and hear the difference! Using thicker gauges, newer technology, and higher quality materials, aftermarket speaker wire is key to upgrading the sound in your car.
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20 ft. of 16 AWG KICKER X-Series Speaker Wire 20 ft. of 16 AWG KICKER X-Series Speaker Wire
Get high quality sound from Kicker's twisted-pair, true to gauge speaker wire. 		$17.95
Sound Dampening Material
Get optimal sound from your new speakers with some high quality sound dampening material. It will keep the road noise out and the music inside the car.
  Product Price Add?
NVX SDSK2 Speaker Kit NVX SDSK2 Speaker Kit
Eliminates speaker panel distortion and reduces vibration, rattles, and squeaks! 		$14.99
NVX SDRLR1 Sound Dampening Rubber Roller NVX SDRLR1 Sound Dampening Rubber Roller
Install your Sound Dampening with ease! This heavy duty rubber roller is designed specifically to install your NVX products! 		$8.95
Installation, Tools & Accessories
Get all of the tools and accessories to install your new speakers like a professional, or take your car to an expert and have them installed by redeeming professional installation cards.
  Product Price Add?
Car Stereo and Speaker Installation Tool Kit Car Stereo and Speaker Installation Tool Kit
Includes Test Light, Crimp/Splice Tool, Multi-bit Screwdriver and more. 		$14.99
Door Panel & Upholstery Remover Tool Door Panel & Upholstery Remover Tool
The ideal tool for removing your car's door panels to replace you speakers! 		$11.99
Universal Window Handle Remover Tool Universal Window Handle Remover Tool
Designed to easily remove the manual window handles without breaking any interior pieces. 		$11.99
Universal Wire Puller & Grabber Universal Wire Puller & Grabber
Running wires has never been easier! This wire puller allows you to run wires through those hard to reach places! 		$8.99
22-18 AWG Butt Connectors 22-18 AWG Butt Connectors
These red butt connectors are perfect for connecting the speaker wire when replacing your factory speakers! 		$4.99
16-14 AWG Butt Connectors 16-14 AWG Butt Connectors
These blue butt connectors are ideal when connecting thicker speaker wire your new aftermarket speakers! 		$4.99
Tone Generators and Sound Testing Equipment
Optimize your new system's sound quality by testing and calibrating all of your components with these items.
  Product Price Add?
Scosche SPL Meter Scosche SPL Meter
Monitor the noise level of your new car audio system with this SPL meter measuring from 60-135 dB. 		$24.99
AutoSound 2000 CD-102 AutoSound 2000 CD-102
High frequency test CD specifically designed for the set-up and evaluation of sound system imaging and placement. 		$12.99
AutoSound 2000 CD-103 AutoSound 2000 CD-103
Audiophile reference series test disc for evaluation of all audio components. 		$12.99
Main Product
  Product Price Add?
Kicker 40CSS684 Kicker CSS684 $149.95

Product Summary

Manufacturer: Kicker
Model number: 40CSS684
UPC: 713034064329
Weight: 5.80 lbs
Internal SKU: 40css684
Internal product ID: 64190