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Infinity Kappa 52.7i

5-1/4" 2-way car speakers

Item # 108527I

Infinity Kappa speakers incorporate the latest technology to provide you with outstanding sound reproduction.

Find what Fits your car

Infinity Kappa speakers incorporate the latest technology to provide you with outstanding sound reproduction.

Discontinued item

Item # 108527I

About the Infinity Kappa 52.7i

Infinity Kappa speakers incorporate the latest technology to provide you with outstanding sound reproduction. And, thanks to Infinity's innovative low-impedance design, they're built for high efficiency as well.

Infinity Kappa speakers incorporate the latest technology to provide you with outstanding sound reproduction. And, thanks to Infinity's innovative low-impedance design, they're built for high efficiency as well.

The Kappa 52.7 5-1/4" speaker features a super-stiff woofer cone to minimize flexing that can cause distortion. The cone's Plus One design offers a larger surface area than other 5-1/4" speakers, for improved bass output and efficiency. The woofer's powerful, compact neodymium magnets weigh much less than traditional magnets — a nice feature when you're trying to save weight in your high-performance vehicle.

Infinity uses the same type of tweeter found in many of their popular home speakers, so you'll hear the music the way it was recorded, with minimal coloration or distortion. The tweeter also pivots, so you can adjust its output for a perfect stereo image.

The computer-optimized outboard crossover employs audiophile-grade components to separate highs and lows so that the woofer and tweeter work together perfectly. A tweeter level control allows you to tailor the tweeter's response for perfect balance.

Important Note: These Infinity speakers use a low impedance design to pull more power safely from your car stereo or amplifier. This design is compatible with all factory and aftermarket stereos.


Priced per pair
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Product highlights:

  • 2-way 5-1/4" speakers (pair)
  • 2-ohm impedance for extra power (compatible with all factory or aftermarket car stereos)
  • Plus One woven-glass-fiber woofer cone with rubber surround
  • rotating UniPivot M.M.D. dome tweeter
  • computer-optimized outboard crossovers with tweeter level control
  • power range: 2-55 watts RMS (165 watts peak power)
  • frequency response: 55-25,000 Hz
  • sensitivity: 94 dB
  • top-mount depth: 2"
  • warranty: 3 years
  • Our 60-day money-back guarantee
  • MFR # KAPPA52.7I

What's in the box:

  • Two 2-way speakers
  • 2 Grilles
  • 2 Grille rings
  • 2 In-line crossovers
  • Eight 1" self-tapping screws
  • 8 Speed clips
  • Instructions
  • Warranty card

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More details on the Infinity Kappa 52.7i

Pat M.

Features & specs

General
Speaker Size
Design 2-way
Tweeter Design Dome
Impedance (Ohms) 2
Tweeter Composition M.M.D.
Woofer Composition Woven-glass-fiber
Woofer Surround Rubber
Parts Warranty 3 Years
Labor Warranty 3 Years
Specifications
Sensitivity (1W at 1 meter) N/A
Sensitivity at 2.83 volts 94
Frequency Response 55 - 25k Hz
Minimum RMS Wattage 2
Maximum RMS Wattage 55
Peak Power Handling (Watts) 165
Top-mount Depth (Inches) 2
Bottom-mount Depth (Inches) N/A
Cutout Diameter or Length (inches) 4 5/8
Mounting Height (Inches) 0.772
The Infinity Kappa 52.7i replaces these items:

Product Research

Features

Plus One Woven-Glass-Fiber Woofer Cones: The Plus One speakers use cones approximately 30% larger than other speakers of the same size. This is accomplished by using a new basket design and hi-roll surround. The Plus One design offers greater bass output and a significant increase in efficiency.

Woven-Glass-Fiber Woofer Cones: This woven-glass-fiber material is very light and extremely stiff, minimizing cone flex. This results in very low distortion and improved clarity.

Motor Structure: The new Kappas use a Neodymium motor structure with an integrated heat sink. This design provides a massive amount of energy while minimizing mounting depth and magnet diameter. The integrated heat sink cools the motor structure efficiently, thus increasing power handling while reducing distortion.

Edge Driven MMD Dome Tweeters: Each speaker has an Edge-driven MMD (Metal Matrix Diaphragm) dome tweeter. The benefit is increased power handling and reduced distortion at high output. This technology also allows for better integration with the mid/woofer. The tweeter has an adjustable output level, +0 dB (flat) and +3 dB.

UniPivot Tweeter: The tweeter is angled and can be rotated about 270° after installation. This allows you to direct the tweeters toward the listeners, very useful for speakers mounted low in a door.

SLIT High-Output Design: This high output 2 ohm design extracts every watt from today's amplifiers and hi powered receivers, increasing overall system output and efficiency (relative to 4 ohm speakers).

Crossovers: Kappa speakers include computer-optimized, voice-matched crossovers, using audiophile quality air core inductors and polypropylene capacitors.

Crossover Connections: Each crossover has a 12" input lead terminated with bare wire and two 20" output leads, one for the woofer and one for the tweeter, terminated with female quick-slides. The female quick-slides connect to the male quick-slides on the speaker. The positive terminal on the woofer is 0.248" and the negative is 0.191". The positive terminal on the tweeter is 0.205" and the negative is 0.111".

Crossover Dimensions: L=3.615", W=1.735", H=1.125"

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