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Kicker 51KSS6504 with 49koozie

500W Peak (250W RMS) 6.5" KS Series 2-way 4-ohm Component Speaker System

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• 250 watts Peak Each, 125 watts RMS Each
• 1" Silk Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 90 dB

Learn more about the 51kss6504_koozie

We apologize

This item has been discontinued


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Description


Kicker brand icon

Authorized dealer

Product Details:

  • 6-1/2" 2-way Component System Car Speakers
  • Power Handling:
    • Peak: 500 watts per set / 250 watts each side
    • RMS: 250 watts per set / 125 watts each side
  • Polypropylene cone material
  • Rubber speaker surround
  • 1" Silk Dome Tweeters
  • Top-mount Depth: 1-13/16"
  • Cutout Dimensions: 4-13/16"
  • Impedance: 4 ohm
  • Frequency Response: 35 - 21000 Hz
  • Sensitivity: 90 dB
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

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


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Specifications & Details


Speaker Specifications
Series
KS Series
Priced Per
Pair
Number of Speakers
2 Speakers + 2 Tweeters
Speaker Size
6-1/2"
Design
2-way Component System
Tweeter Design
Dome
Tweeter Size
1"
Tweeter Composition
Silk
Woofer Composition
Polypropylene
Woofer Surround
Rubber
Peak Power Handling
250 watts
RMS Power Handling
125 watts
Total PEAK Per Pair/Set
500 watts
Total RMS Per Pair/Set
250 watts
Sensitivity
90 dB
Frequency Response
35 - 21000 Hz
Impedance (Per Voice Coil)
4 ohm
Shallow Mount Installation
No
Top-Mount Depth (Mounting Depth)
1-13/16"
Cutout Dimensions
4-13/16"
CTA-2031 Compliant
No
General specifications
Marine Certified
No
Hi-Res Certified
No
Color
Black
Illumination
None
Speaker Grilles
Yes
Includes Damping Kit
without Damping Kit
What is in the box?
Paperwork
Quick start guide
WITB: Speakers
Mounting Brackets/Hardware
Speakers (2)
Grilles (2, attached)
Tweeters (2)
Tweeter angle mounts (2)
Tweeter flush mounts (2)
Tweeter surface mounts (2)
Crossover networks (2)
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
Manufacturer

Item Details


Manufacturer:

Model Number:

51KSS6504_KOOZIE

Weight:

7.99lbs

Internal SKU:

51kss6504_koozie

Internal Product ID:

204450

Customer Ratings & Reviews


Kicker 51KSS6504 with 49koozie thumbnail image

5 star
93%
4 star
6%
3 star
0%
2 star
1%
1 star
0%



Durability
4.9
Value
4.9
Features
4.9
Design
4.9
Usability
4.9

Customer Reviews

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OK, but...

The following review is for 72-7800, which is a part of the bundle you are viewing.

These fit the Honda factory wiring harness perfectly. They worked for the front AND the rear deck speakers in my Accord. However, be aware that the female spade connectors are probably not large enough to fit higher-end speaker terminals. You may have to solder larger connectors on, or just solder the wires directly to the speaker terminals like I did. Either way, you don't need to cut into the factory harness - which is nice.

By Matthew on June 12, 2012

82 found this helpful


Highly recommended!

The following review is for 72-7800, which is a part of the bundle you are viewing.

I bought 2 pairs of these for my aftermarket speakers for my 2008 honda civic. I just plugged it in and connected the two terminals to my speakers and voila! I'm all set. You won't make a wrong connection since the two terminals are different in size which most aftermarket speakers have and most importantly, cutting wires is eliminated.

By slizenyuten on February 8, 2012

79 found this helpful


Excellent Product

The following review is for 72-7800, which is a part of the bundle you are viewing.

Perfect, secure and seamless fit into the factory speaker harness. No reduction in power or sound quality when used. Excellent product.

By Keith on January 30, 2013

79 found this helpful


Very simple and quick

The following review is for 72-7800, which is a part of the bundle you are viewing.

This made speaker install very easy, just slip over connections on speaker and clip into OE harness. They are sized to only fit one way so you can not wire speakers out of phase.

By Sicride on December 2, 2011

78 found this helpful


Works well

The following review is for 72-7800, which is a part of the bundle you are viewing.

Fits snug and works like is should. Using these in both the front doors and the rear channel speakers. Would recommend if you are looking to add aftermarket speakers and don't want to cut the original harness off.

By J on September 12, 2013

76 found this helpful


Great time saver!

The following review is for 72-7800, which is a part of the bundle you are viewing.

I purchased this product because I was looking for a easy speaker install. This item did just that...it made life real easy. Snapped the wires together and I was done. It cost a bit more than I thought it should but it saved me a lot of time and headaches. I would recommend this to a friend.

By RonK on July 8, 2013

75 found this helpful


Good quality

The following review is for 72-7800, which is a part of the bundle you are viewing.

100% fits Honda/Acura audio systems

By Mark on November 15, 2011

75 found this helpful


works great. clean finish.

The following review is for 72-7800, which is a part of the bundle you are viewing.

its all that you expect. a simple clean plug to adapt your factory wires to your aftermarket speakers!

By lee on December 28, 2013

76 found this helpful


worked great

The following review is for 72-7800, which is a part of the bundle you are viewing.

Saves a lot of work from cutting wires and you can put back original speakers in a flash.

By Keith on July 3, 2011

74 found this helpful


Perfect plugs

The following review is for 72-7800, which is a part of the bundle you are viewing.

These things are a gem to work with. They make wiring Civic speakers a breeze.

By Jean-Sebastien on September 27, 2012

70 found this helpful




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

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  • Installation is smoother, faster, and frustration-free
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Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.