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Kicker KSC6704 (47KSC6704)

400W Peak (100W RMS) 6.75” KS Series 2-way Coaxial Car Speaker

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• 200 watts Peak Each, 100 watts RMS Each
• 3/4" Silk Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 90 dB

Learn more about the 47ksc6704

Good news and a little bad...

This item has been discontinued

But you may be interested in the newest model that's available.

51ksc6704 thumbnail

Kicker KSC67 (51KSC6704)

OUR PRICE: $129.99

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Description


Kicker brand icon

Authorized dealer

Product Details:

  • 6-3/4 KS Series 2-way Coaxial Car Speakers
  • Power Handling:
    • Peak: 400 watts per pair / 200 watts each
    • RMS: 200 watts per pair / 100 watts each
  • Polypropylene cone material
  • Rubber speaker surround
  • 3/4" Silk Dome Tweeters
  • Neodymium magnet motor structure
  • Top-mount Depth: 1-7/8"
  • Cutout Dimensions: 5-1/2"
  • Impedance: 4 ohm
  • Frequency Response: 40 - 21000 Hz
  • Sensitivity: 90 dB
  • Grilles included
  • Authorized Internet Dealer
  • 1-year Sonic Electronix Warranty

  • Priced Per Pair

Product history:

Kicker 51KSC6704 thumbnail
(newest, current model)
Kicker KSC6704 thumbnail
(previous model, replaced by Kicker KSC67 (51KSC6704))
Kicker 44KSC6704 thumbnail
(previous model, replaced by Kicker KSC6704 (47KSC6704))

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Specifications & Details


Speaker Specifications
Series
KS Series
Priced Per
Pair
Number of Speakers
2
Speaker Size
6-3/4
Design
2-way Coaxial
Tweeter Design
Dome
Tweeter Size
3/4"
Tweeter Composition
Silk
Woofer Composition
Polypropylene
Woofer Surround
Rubber
Peak Power Handling
200 watts
RMS Power Handling
100 watts
Total PEAK Per Pair/Set
400 watts
Total RMS Per Pair/Set
200 watts
Sensitivity
90 dB
Frequency Response
40 - 21000 Hz
Impedance (Per Voice Coil)
4 ohm
Shallow Mount Installation
No
Magnet Type
Neodymium
Top-Mount Depth (Mounting Depth)
1-7/8"
Bottom-Mount Depth
2-1/16"
Cutout Dimensions
5-1/2"
CTA-2031 Compliant
No
General specifications
Marine Certified
No
Hi-Res Certified
No
Color
Black
Illumination
None
Speaker Grilles
Yes
What is in the box?
Paperwork
User manual
Warranty/Registration card
WITB: Speakers
Mounting Brackets/Hardware
Speakers (2)
Grilles (2, attached)
Mounting screws (8)
Mounting clips (8)
Speaker connection cables (2)
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Sonic Electronix

Item Details


Manufacturer:

Model Number:

KSC6704

Weight:

5.40lbs

Internal SKU:

47ksc6704

Internal Product ID:

178873

Customer Ratings & Reviews


Kicker KSC6704 (47KSC6704) thumbnail image

5 star
100%
4 star
0%
3 star
0%
2 star
0%
1 star
0%



Durability
4.5
Value
5
Features
5
Design
4.5
Usability
4.5

Customer Reviews

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Not bad filler speaker

I have these in the back deck as filler , as my fronts have 3.5" JBL's in the dash and 6x9's in the door in my Dodge challenger.

THey are not bad and have decent sound quality.

By Jonathan on April 5, 2022 Checkmark Icon Verified purchase
2015 Dodge Challenger

13 found this helpful


The following review is for 51KSC6704, which is a part of the bundle you are viewing.
By Eric on July 11, 2025 Checkmark Icon Verified purchase
2012 MINI Cooper


By Daniel on January 30, 2024 Checkmark Icon Verified purchase
2022 Ford Bronco




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Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

  • You see only parts engineered for your exact vehicle
  • You avoid incompatible radios, speakers, or wiring
  • Installation is smoother, faster, and frustration-free
  • You get the correct accessories the first time

Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.