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Infinity Kappa 53XF Kappa Series 5-1/4" 2-way car speakers

Item # 108K53XF

These Kappa 53XF 5-1/4" car speakers benefit from a refined design, Infinity's proprietary technology, and premium...

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These Kappa 53XF 5-1/4" car speakers benefit from a refined design, Infinity's proprietary technology, and premium...

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4 questions - 8 answers

Item # 108K53XF

In stock

Deeply discounted installation gear

$189.95 pair

Other options

About the Infinity Kappa 53XF

Alexander H.

Kappa quality

Infinity designed and built their Kappa Series for audiophile tastes. These Kappa 53XF 5-1/4" car speakers benefit from a refined design, Infinity's proprietary technology, and premium materials to deliver uncompromised audio quality. Plus, Infinity has added convenient features for getting just the right sound for your ride.

Kappa quality

Infinity designed and built their Kappa Series for audiophile tastes. These Kappa 53XF 5-1/4" car speakers benefit from a refined design, Infinity's proprietary technology, and premium materials to deliver uncompromised audio quality. Plus, Infinity has added convenient features for getting just the right sound for your ride.

Edge-driven silk dome tweeters

Infinity employs an edge-driven design in their silk dome tweeters for a smoother, more open response and minimal distortion at high volume. The UniPivot angled tweeter design means you can rotate each tweeter up to 270° to aim it toward your ears, so you'll enjoy excellent stereo imaging even if the speakers are mounted way down low in your doors. Each tweeter also features a level control button so you can adjust the brightness to your taste.

Plus One+ woofer technology

Kappa's glass fiber woofer will hold its shape when the power's cranked up, so you still get punchy and defined bass. Glass fiber weighs less than traditional materials, so you don't need a ton of power to drive this woofer either. Infinity's Plus One+ woofer technology extends the cone right up to the edge of the basket, giving you lots of surface area — and a bigger cone means more bass to complement the superior high-frequency response.

Awesome power handling, no matter the system

These 3-ohm speakers boast ultra-high sensitivity so that you can power them with a factory radio or aftermarket stereo, but you'll get your best results feeding them plenty of power from an outboard amp. Either way, these speakers' low impedance safely takes advantage of every watt of power available for exceptional performance. Enjoy Kappa sound quality at any volume.

Grilles are not included; the factory grilles should be suitable for most applications.

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Product highlights:

  • 5-1/4" 2-way car speakers
  • Plus One+ glass-fiber woofer cone with hi-roll rubber surround
  • edge-driven silk dome tweeter
  • angled UniPivot tweeter can be rotated 270° after installation
  • push-button tweeter output level control (0 dB, -3 dB)
  • 3-ohm impedance
  • grilles not included
  • handles up to 60 watts RMS (180 watts peak power)
  • frequency response: 55-40,000 Hz
  • sensitivity: 93 dB at 2.83 volts
  • top--mount depth: 2-1/4"
  • warranty: 3 years
  • MFR # INFSPKKA53XFAM

What's in the box:

  • Two 2-way speakers
  • Eight 1-3/8" Screws
  • 8 Speed clips
  • 2 Adhesive backed foam gaskets
  • 2 Adhesive backed Infinity logo badges
  • Template on box
  • Installation manual

Customer reviews for Infinity Kappa 53XF

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5.0 out of 5 stars
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More details on the Infinity Kappa 53XF

Pat M.

Features & specs

General
Speaker Size 5 1/4
Design 2-way
Tweeter Design Edge-Driven Dome
Impedance (Ohms) 3
Tweeter Composition Silk
Woofer Composition 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 93
Frequency Response 55 - 40k Hz
Minimum RMS Wattage ---
Maximum RMS Wattage 60
Peak Power Handling (Watts) 180
Top-mount Depth (Inches) 2 1/4
Bottom-mount Depth (Inches) 2 7/16
Cutout Diameter or Length (inches) 4 11/16
Mounting Height (Inches) 0.625
Frame Width 5.245
Frame Length 5.245

Product Research

Features

Plus One Woofer Cones: The Plus One speaker cones offer more surface area than other speakers that fit in the same size opening. This is accomplished by using a new basket design and hi-roll surround. The result is greater bass output and an increase in efficiency.

Edge Driven Dome Tweeters: Each speaker has an edge-driven silk dome tweeter. Edge-driven tweeters have better dispersion characteristics and allow for a lower crossover frequency than typical tweeters of the same size, which improves imaging. The result is improved vocals and musical clarity. The tweeter also has an output level switch; choose +0 dB (flat) or -3 dB.

UniPivot Tweeter: The tweeter is angled and can be rotated about 315° after installation. This allows you to direct the tweeters toward the listeners, very useful for speakers mounted low in a door.

High-Output Design: The high output 3Ω voice coil design compensates for the high in-line resistance of small gauge factory wiring and extracts every watt from factory receivers, increasing overall system output and efficiency (relative to 4Ω speakers). The speakers also benefit from increased power when you upgrade the wire and add aftermarket amplifiers, designed to power a 3Ω load.

Terminals: The input terminals are set screws that will accept up to 12 gauge bare wire.

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Customer Q&A

4 questions already asked

Q
Hello from the mounting flange to the back of the speaker depth wise what is the measurement? I'm interested in fitting these to my cab corners on a 99 Dakota single cab. Thank you!
adam  Dec 22, 2023
1 answer
A
We do not show these Infinity Kappa 53XF's as a fit in the rear cab corner location of your 1999 Dodge Dakota single cab, Adam. If you are attempting a custom installation, when bottom-mounting the Infinity Kappa 53XF's they have a depth of 2.408". I hope this helps!
bo  Dec 22, 2023 (Staff)
Q
Why does it say that I will need to drill new holes in my 2005 Dodge ram single cab rear cab corner?
jerry  Aug 01, 2023
1 answer
A
I would be happy to help, Jerry. The Infinity Kappa 53XF's are a physical fit in your original speaker's location, but the mounting holes will not match up. You will need to drill new holes to use the supplied hardware to mount your new Infinity Kappa 53XF's. We make sure to include a complimentary adapter harness that matches your original plug, so at least there is no wire splicing!
bo  Aug 01, 2023 (Staff)
Q
What is the correct add-on midrange speaker to turn these into a 3 way speaker?
james  Nov 22, 2022
1 answer
A
You have some freedom here potentially, James. You technically cannot turn these into a 3-way, as 3-way speakers and component sets have specific crossover frequencies they pass to each driver. That being said, we have a few courses of action here depending on what exactly can fit in your specific ride James. You can use these great Kappa 53XF speakers with the Infinity Kappa 203S in the link below or the 303s if you have a 3" speaker location. The Kappa Perfect 300m in the second link below is also a contender. You can check the fit on any of your factory speaker locations with our handy Vehicle Guide in the third link below! I hope this helps. https://www.crutchfield.com/p_108K203S/Infinity-Kappa-203S.html https://www.crutchfield.com/p_108PERF300/Infinity-Kappa-Perfect-300m.html https://www.crutchfield.com/m_399/Car-Speakers.html
bo  Nov 22, 2022 (Staff)
Q
What grill is recommended for these speakers?
david  Oct 23, 2021
5 answers
A
I used the original grills that were on thecae. They fit perfectly.
mr. carlos  Oct 24, 2021
A
There are no grills included with the 53XF. I don't know of any good ones, my pair mounted directly to the door panel. Wish I could help.
robert  Oct 23, 2021
A
I prefer a charcoal grill with a dry aged prime ribeye steak and fine Barolo. On a more serious note the Infinity 53 XF fit perfectly in the existing doors under the factory grills in my 1993 Ford Mustang convertible with no modifications required.
jeffrey  Oct 23, 2021
A
I installed them behind the standard door panels. They fit fine and sound great!
john  Oct 23, 2021
A
I have a pair mounted in the roll bar of my jeep. I was disappointed they didn't come with covers. Fortunately they are mounted in the roll bar above my head so I'm not overly worried about punctures or other damage. If you do find some covers that fit, please post the model. Thanks
raymond  Oct 23, 2021

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