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Infinity Kappa 20mx (KAPPA-20MX)

390W Peak (130W RMS) 2" Kappa Series Midrange 2.5-ohm Car Speakers

Infinity
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Limited time!
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• 195 watts Peak Each, 65 watts RMS Each
• Glass Fiber cone material
• Impedance: 2.5 ohm
• Sensitivity: 90 dB

Learn more about the kappa20mx

We apologize

This item has been discontinued


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Description


Infinity brand icon

Authorized dealer


Infinity Kappa 20mx (KAPPA-20MX)

Infinity's Kappa speakers set a new standard in car audio. Every model is voiced using audiophile grade inductors and capacitors resulting in detail and accuracy unmatched by other brands in their class, and its 2 ohm design extracts every watt of power from the amplifier or head unit for exceptional performance. Kappa is how all car speakers should perform.


Product Details:

  • 2" Kappa Series Mid-range Car Speakers
  • Power Handling:
    • Peak: 390 watts per pair / 195 watts each
    • RMS: 130 watts per pair / 65 watts each
  • Glass Fiber cone material
  • Rubber speaker surround
  • Bandpass crossover enclosure
  • Patented Plus One woofer speaker construction
  • Voiced using audiophile grade inductors and capacitors
  • SLI (Super Low Impedance) high output design
  • Passed Harman standard reliability testing
  • Top-mount Depth: 1-1/8"
  • Cutout Dimensions: 2-5/8"
  • Impedance: 2.5 ohm
  • Frequency Response: 550 - 7000 Hz
  • Sensitivity: 90 dB
  • Authorized Internet Dealer
  • MFR #: Kappa 20mx
  • 3 Year Manufacturer's Warranty

  • Priced Per Pair


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Specifications & Details


Speaker Specifications
Series
Kappa Series
Priced Per
Pair
Number of Speakers
2
Speaker Size
2"
Design
Mid-range
Woofer Composition
Glass Fiber
Woofer Surround
Rubber
Peak Power Handling
195 watts
RMS Power Handling
65 watts
Total PEAK Per Pair/Set
390 watts
Total RMS Per Pair/Set
130 watts
Sensitivity
90 dB
Frequency Response
550 - 7000 Hz
Impedance (Per Voice Coil)
2.5 ohm
Voice Coil Diameter
1-3/4"
Shallow Mount Installation
No
Top-Mount Depth (Mounting Depth)
1-1/8"
Cutout Dimensions
2-5/8"
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
Compatible vehicle types
Car/Truck/SUV/Van
What is in the box?
Paperwork
User manual
Warranty/Registration card
WITB: Speakers
Mounting Brackets/Hardware
Speakers (2)
Grilles (2, attached)
Crossover networks (2)
Mounting screws (8)
Mounting clips (8)
Speaker connection cables (2)
Adhesive brand badges
Warranty and Return Policy
Parts Warranty Duration
3 years
Labor Warranty Duration
3 years
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

Kappa 20mx

Weight:

5.00lbs

Internal SKU:

kappa20mx

Internal Product ID:

143565

Customer Ratings & Reviews


Infinity Kappa 20mx (KAPPA-20MX) thumbnail image

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



Durability
5
Value
5
Features
4.5
Design
5
Usability
4.5

Customer Photos & Videos


Customer Reviews

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Great midrange speakers

I'm a big fan of infinity kappa speakers and these do not disappoint. Price is good and build quality is excellent. I have these powered off my receiver and they are louder than I expected. Bright and very musical but I ended up turning them down a bit. These are meant to be added to a infinity 2 way component set because they have a plug that plugs into the crossover. You just need to cut one end off and you can use them as is. I installed them in a 2016 jeep compass and it was very easy. They fit perfectly in the middle air vents. No cutting, sanding, or grinding at all. Fit perfectly in with the grills. I even just used the hardware that was included. Kappa 6x9 front doors with reference series 6x9 rear doors. Sounds better than any premium factory system I've heard. Check out the pictures, infinity badge came from 6x9s

By Doug on October 17, 2025 Checkmark Icon Verified purchase
2016 Jeep Compass

3 found this helpful


By Victor on February 11, 2026 Checkmark Icon Verified purchase
2016 Toyota RAV4




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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.