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Free Kicker active-style headphones with a purchase of $100+ of Kicker Gear

Kicker KS525 (055KS525)

5-1/4" KS-Series 2-way Speakers (New version of 05KS525 with larger tweeters)

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The product on this page is discontinued, but there is a newer model available:
Newer Model: Kicker KS525
11ks525 thumbnail
$69.95In Stock

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Specials with this product

  • Free Ground Shipping to the 48 statesdetails
Free Kicker active-style headphones with a purchase of $100+ of Kicker gear
  • 5-1/4" KS Series 2-Way Car Speakers
  • Power Handling:
    • Peak: 270 watts per pair / 135 watts each
    • RMS: 90 watts per pair / 45 watts each
  • CIMP (polygraphite) woofer
  • Santoprene rubber surround
  • 1/2" Kaladex semi-dome tweeter
  • 4 ohms impedance
  • Top-mount depth: 2"
  • Authorized Internet Dealer
  • 1-year Manufacturer's warranty

Priced Per Pair

Product History:
Kicker KS525 thumbnail
(newest, current model)
Kicker KS5250 thumbnail
(previous model, replaced by Kicker KS525)
Kicker KS525 (055KS525) thumbnail
(previous model, replaced by Kicker KS5250)
Kicker KS525 thumbnail
(previous model, replaced by Kicker KS525 (055KS525))

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

Speaker Specifications
Speaker Size5-1/4"
Design2-way
Tweeter DesignDome
Tweeter CompositionKaladex® Polyethylene Naphthalate Film
Woofer CompositionPolypropylene
Woofer SurroundSantoprene Rubber
Peak Power Handling135 watts
RMS Power Handling45 watts
Sensitivity90 dB
Frequency Response45 - 21000 Hz
Impedance (Per Voice Coil)4 ohms
Shallow Mount InstallationYes
Top-Mount Depth2"
Bottom-Mount DepthN/A
Cutout Dimensions4-9/16
Speaker GrillesYes
Warranty and Return Policy
Return Policy Standard Return Policy
Parts Warranty Duration1 year
Labor Warranty Duration1 year
Warranty ProviderManufacturer
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Product Summary

Manufacturer: Kicker
Model number: 055KS525
UPC: 713034020554
Weight: 7.50 lbs
Internal SKU: 055ks525
Internal product ID: 10604
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Customer Testimonial

Fast shipping, great product, and description was influential for purchase. Item was ahead of schedule on delivery and the product was exactly what I wanted. It was a pleasure doing business. Thank you.

- James from Oregon

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