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Infinity Kappa 52.11I

5-1/4" 2-Way Kappa Series Coaxial Car Speakers

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• Peak Power: 165W
• RMS Power: 55W
• 2-Way Coaxial Design
• 2 ohm Impedance
• Formed Glass Fiber Cone
• Rubber Surround
• 1" Soft Dome Fabric Tweeters

Learn more about the 5211i

We apologize

This item has been discontinued


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Product Highlights


• Peak Power: 165W
• RMS Power: 55W
• 2-Way Coaxial Design
• 2 ohm Impedance
• Formed Glass Fiber Cone
• Rubber Surround
• 1" Soft Dome Fabric Tweeters

Description


Infinity brand icon

Authorized dealer



High Fidelity Kappa Series

The 2-ohm nominal impedance of the Infinity Kappa 52.11I coaxial speakers allows compensation for any added resistance in thin factory-installed speaker wiring and provides more output than factory speakers in its class. The high sensitivity of the Kappa Series makes it ideal for upgrading a factory-installed system’s existing speakers with very noticeable fidelity improvements. The beautiful chrome inserts on the grille match modern interiors, and there are no visible mounting screws. With a modern look, articulate highs and strong lows, the Kappa series speakers are perfect for any factory or aftermarket sound system. Pick yours up today at SonicElectronix.com!


The Sound of quality

Sonic Electronix, one of the leaders in car audio, recently visited Harman, the premium global audio and infotainment group, at their research and development locations in Northridge, California and Detroit, Michigan. The purpose of these visits was to utilize and combine the powerful brand of Harman and the industry leading knowledge behind Sonic Electronix to begin working together on developing future car audio projects.


General Features:

  • 5-1/4" Kappa Series 2-Way Car Speakers
  • Power Handling:
    • Peak: 330 watts per pair / 165 watts each
    • RMS: 110 watts per pair / 55 watts each
    • Recommended Minimum Power: 25-165 watts each
  • Carbon Injected Glass Fiber cone material
  • Plus One cone technology offers more cone area than other speakers in its class
  • Rubber speaker surround
  • 1" Soft Dome edge-driven Fabric tweeter construction
  • Adjustable, 0 or +3dB push-button tweeter level attenuation control
  • UniPivot tweeter allows you to aim the tweeter at the listener for better imaging
  • High temperature voice coil reduces distortion
  • Vented magnet and motor assembly cool the voice coil
  • Gold-plated, screw-type speaker terminals for a secure connection
  • Injected Carbon Glass Matrix (iCGM) speaker frames
  • High-quality passive crossover components
  • Protective, soft, rubber-finish grilles
  • Protective magnet boot cover
  • 2 ohm impedance
  • Frequency response: 55-25,000 Hz
  • Top-mount depth: 2-3/16"
  • Sensitivity: 94dB
  • Authorized Internet Dealer
  • 3-year Manufacturer's Warranty

Priced Per Pair



PROP 65 WARNING: This product can expose you to chemicals including lead and lead compounds, which are known to the State of California to cause cancer or birth defects or other reproductive harm. Wash hands after handling. For more information, visit www.P65Warnings.ca.gov

Product history:

Infinity 52.11I thumbnail
(newest, current model)
Infinity 52.9I thumbnail
(previous model, replaced by Infinity Kappa 52.11I)

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Specifications & Details


Speaker Specifications
Series
Reference Series
Priced Per
Pair
Speaker Size
5-1/4"
Design
2-way Coaxial
Tweeter Design
Dome
Tweeter Size
1"
Tweeter Composition
Cloth
Woofer Composition
Carbon Composite
Woofer Surround
Rubber
Peak Power Handling
165 watts
RMS Power Handling
55 watts
Sensitivity
94 dB
Frequency Response
55 - 25000 Hz
Impedance (Per Voice Coil)
2 ohm
Shallow Mount Installation
No
Top-Mount Depth (Mounting Depth)
2-3/16"
Cutout Dimensions
4-11/16" x 4-11/16" 
General specifications
Speaker Grilles
Yes
Warranty and Return Policy
Parts Warranty Duration
3 years
Labor Warranty Duration
3 years
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

52.11I

Weight:

5.00lbs

Internal SKU:

5211i

Internal Product ID:

60694

Product and How-to Videos


  • Harman International: The Pursuit of Great Sound
  • Infinity Kappa Series Speakers | Coaxial and Component Car Speakers

Customer Ratings & Reviews


Infinity Kappa 52.11I thumbnail image

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



Durability
4
Value
5
Features
4
Design
5
Usability
4

Customer Reviews

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Kappa Infinity 5.25" speakers

Installed these in the rear doors of my 2003 dodge ram. Great sound, even with no external amplification. Definitely an improvement and worth the money.....

By ChillyMc on November 11, 2017 Checkmark Icon Verified purchase

1 found this helpful




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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.