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Kicker KSC6504 (47KSC6504)

400W Peak (200W RMS) 6.5” KS Series 2-Way Coaxial Car Speakers

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• 200 watts Peak Each, 100 watts RMS Each
• 1/2" Silk Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 90 dB

Learn more about the 47ksc6504

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This item has been discontinued

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Description


Kicker brand icon

Authorized dealer

Product Details:

  • 6-1/2" 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
  • 1/2" Silk Dome Tweeters
  • High power handling
  • Thin-mount design
  • Neodymium magnet motor structure
  • Top-mount Depth: 1-13/16"
  • Cutout Dimensions: 4-7/8"
  • Impedance: 4 ohm
  • Frequency Response: 43 - 21000 Hz
  • Sensitivity: 90 dB
  • Grilles included
  • Authorized Internet Dealer
  • 1-year Sonic Electronix Warranty

  • Priced Per Pair

Product history:

Kicker 51KSC6504 thumbnail
(newest, current model)
Kicker KSC650 thumbnail
(previous model, replaced by Kicker KSC65 (51KSC6504))
Kicker 44KSC6504 thumbnail
(previous model, replaced by Kicker KSC6504 (47KSC6504))
Kicker 41KSC654 thumbnail
(previous model, replaced by Kicker KSC6504 (44KSC6504))
Kicker 11KS60 thumbnail
(previous model, replaced by Kicker KSC65 (41KSC654))
Kicker 08KS600 thumbnail
(previous model, replaced by Kicker 11KS60 (KS60))
Kicker 055KS60 thumbnail
(previous model, replaced by Kicker KS600)
Kicker 05KS60 thumbnail
(previous model, replaced by Kicker KS60 (055KS60))

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Specifications & Details


Speaker Specifications
Series
KS Series
Priced Per
Pair
Number of Speakers
2
Speaker Size
6-1/2"
Design
2-way Coaxial
Tweeter Design
Dome
Tweeter Size
1/2"
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
43 - 21000 Hz
Impedance (Per Voice Coil)
4 ohm
Shallow Mount Installation
No
Magnet Type
Neodymium
Top-Mount Depth (Mounting Depth)
1-13/16"
Bottom-Mount Depth
2-3/16"
Cutout Dimensions
4-7/8"
CTA-2031 Compliant
No
General specifications
Marine Certified
No
Hi-Res Certified
No
Color
Black
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:

KSC650

Weight:

5.70lbs

Internal SKU:

47ksc6504

Internal Product ID:

178871

Customer Ratings & Reviews


Kicker KSC6504 (47KSC6504) thumbnail image

5 star
89%
4 star
11%
3 star
0%
2 star
0%
1 star
0%



Durability
4.8
Value
4.5
Features
4.5
Design
4.8
Usability
5

Customer Reviews

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Excellent sound

The sound from these Kickers is balanced and clean, even when turned up or powered with an amp. KS's are basically the only series of speakers I use anymore.

By Jared on October 20, 2020 Checkmark Icon Verified purchase
2005 Chevrolet Tahoe

12 found this helpful


Great product and great price

The following review is for 51KSC6504, which is a part of the bundle you are viewing.

These sound amazing in my 2015 Chevy Silverado 1500 Crew Cab, I'd highly recommend these!

By Robert on September 6, 2024 Checkmark Icon Verified purchase
2015 Chevrolet Silverado 1500

8 found this helpful


Kicker 6.5

These install easy and sound good for the price. Handle high power.

By KW on August 20, 2022 Checkmark Icon Verified purchase
2020 Toyota Tacoma

8 found this helpful


The following review is for 51KSC6504, which is a part of the bundle you are viewing.
By Juan M on August 24, 2024 Checkmark Icon Verified purchase

6 found this helpful


The following review is for 51KSC6504, which is a part of the bundle you are viewing.
By Phillip on September 7, 2025 Checkmark Icon Verified purchase
2017 Ford F-250 Super Duty

1 found this helpful


The following review is for 51KSC6504, which is a part of the bundle you are viewing.
By Seth on March 2, 2025 Checkmark Icon Verified purchase
2006 Subaru Impreza WRX STi

1 found this helpful


More than just a factory speaker upgrade.

The following review is for 51KSC6504, which is a part of the bundle you are viewing.

I replaced an older version of the KS 6.5 coax with the new ones. The new ones are in a different class altogether. They sound as good or better than other brands that cost almost double. They come to life with an amp and can fit anywhere.

By Jason on June 17, 2026 Checkmark Icon Verified purchase
2013 Honda Accord


Great Rear Fill

The following review is for 51KSC6504, which is a part of the bundle you are viewing.

Great coaxial speaker for rear fill in our Ford Edge

By Randi on April 29, 2026 Checkmark Icon Verified purchase
2021 Ford Edge


By Armando on March 13, 2024 Checkmark Icon Verified purchase




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

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