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Infinity Kappa 503CF (INFSPKKA503CFAM) (Open Box, Great)

480W Peak (160W RMS) 5.25” Kappa Series 2 Way 3-ohm Component Speaker System

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• 240 watts Peak Each, 80 watts RMS Each
• 3/4" Silk Edge Driven Dome uni-pivot and angled tweeters
• Glass Fiber cone material
• Impedance: 3 ohm
• Sensitivity: 93 dB

Learn more about the ls-kappa503cf-u8
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Fits your 2005 Forester

Fits the following location:

  • Speaker harness to avoid cutting factory wires
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2026-06-28 04:00:00
List price $449.95
Thanks , You Pay:
-38%

$279.30

everyday price
/set  with warranty
$251.37 with coupon | Price details
Starting at $26/mo or 4 payments of $70 Buy now, pay later and installment payment plans are offered by Afterpay and Affirm. Learn more

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Open Box, Great
Open box icon Brand new $279.99

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Current Promotions (8 offers)


This offer cannot be combined with any other coupons or offers.

Infinity Kappa 503CF (INFSPKKA503CFAM) (Open Box, Great)

30% off


Priced separately $322 29

Promo Savings of $12 90

Total price:

$309 39

This offer cannot be combined with any other coupons or offers.

Infinity Kappa 503CF (INFSPKKA503CFAM) (Open Box, Great)

30% off


Priced separately $345 29

Promo Savings of $19 80

Total price:

$325 49

This offer cannot be combined with any other coupons or offers.

Infinity Kappa 503CF (INFSPKKA503CFAM) (Open Box, Great)

30% off


Priced separately $335 29

Promo Savings of $16 80

Total price:

$318 49

This offer cannot be combined with any other coupons or offers.

Infinity Kappa 503CF (INFSPKKA503CFAM) (Open Box, Great)

30% off


Priced separately $303 29

Promo Savings of $7 20

Total price:

$296 09

This offer cannot be combined with any other coupons or offers.

Infinity Kappa 503CF (INFSPKKA503CFAM) (Open Box, Great)

20% off


Priced separately $309 29

Promo Savings of $6 00

Total price:

$303 29

This offer cannot be combined with any other coupons or offers.

Infinity Kappa 503CF (INFSPKKA503CFAM) (Open Box, Great)

30% off


Priced separately $309 29

Promo Savings of $9 00

Total price:

$300 29

This offer cannot be combined with any other coupons or offers.

Infinity Kappa 503CF (INFSPKKA503CFAM) (Open Box, Great)

20% off


Priced separately $290 29

Promo Savings of $2 20

Total price:

$288 09

Experience Better Sound with Easy to Install Speaker Baffles. This offer cannot be combined with any other coupons or offers.

Infinity Kappa 503CF (INFSPKKA503CFAM) (Open Box, Great)

20% off


Priced separately $296 29

Promo Savings of $3 40

Total price:

$292 89

Description


Infinity brand icon

Authorized dealer

Item Condition - Open Box, Great:

This product works like new, is well-cared-for and in great condition. May show limited signs of wear or use and may be missing non-essential parts, accessories or original packaging.


Infinity Kappa 503CF

Infinity Kappa Series speakers, available in all standard sizes, are designed to bring a new standard of excellence in car audio to virtually any vehicle. Kappa’s Plus One fiberglass woofers deliver high-output, deep and robust bass. The high-resolution 3/4" edge-driven textile dome tweeters deliver soaring highs up to 40kHz. 2" and 3" midranges are available to upgrade two-way component systems into three-way. The compact 3" midrange speakers also offer a perfect plug-and-play solution with low frequency response to 300Hz, and high sensitivity.


Product Details:

  • 5-1/4" 2-way Component System Car Speakers
  • Power Handling:
    • Peak: 480 watts per set / 240 watts each side
    • RMS: 160 watts per set / 80 watts each side
  • Glass Fiber cone material with Plus One woofer cone architecture
  • Rubber speaker surround
  • 3/4" Silk Edge Driven Dome uni-pivot and angled tweeters
  • Slim and smart crossover with a 0dB or -3dB output level control
  • Super compact design with a high-sensitivity 3" midrange speaker
  • Three-way upgradability
  • Top-mount Depth: 2-1/4"
  • Cutout Dimensions: 5-1/4"
  • Impedance: 3 ohm
  • Frequency Response: 55 - 40000 Hz
  • Sensitivity: 93 dB
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

  • Priced Per Complete Component System: 2 midwoofers, 2 tweeters and 2 crossover networks.

Specifications & Details


Speaker Specifications
Series
Kappa Series
Priced Per
Pair
Number of Speakers
2 Speakers + 2 Tweeters
Speaker Size
5-1/4"
Design
2-way Component System
Tweeter Design
Edge Driven Dome
Tweeter Size
3/4"
Tweeter Composition
Silk
Woofer Composition
Glass Fiber
Woofer Surround
Rubber
Peak Power Handling
240 watts
RMS Power Handling
80 watts
Total PEAK Per Pair/Set
480 watts
Total RMS Per Pair/Set
160 watts
Sensitivity
93 dB
Frequency Response
55 - 40000 Hz
Impedance (Per Voice Coil)
3 ohm
Shallow Mount Installation
No
Top-Mount Depth (Mounting Depth)
2-1/4"
Bottom-Mount Depth
2-5/8"
Cutout Dimensions
5-1/4"
CTA-2031 Compliant
No
General specifications
Marine Certified
No
Hi-Res Certified
No
Color
Black
Illumination
None
Speaker Grilles
No
Includes Damping Kit
without Damping Kit
Compatible vehicle types
Car/Truck/SUV/Van
What is in the box?
Paperwork
User manual
Brand sticker/decal
WITB: Speakers
Foam Gasket
Speakers (2)
Tweeters (2)
Tweeter angle mounts (2)
Tweeter flush mounts (2)
Tweeter surface mounts (2)
Crossover networks (2)
Mounting screws (8)
Mounting clips (8)
Adhesive brand badges
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

LS-kappa503cf-u8

Weight:

5.60lbs

Internal SKU:

ls-kappa503cf-u8

Internal Product ID:

225025

Customer Ratings & Reviews


Infinity Kappa 503CF (INFSPKKA503CFAM) (Open Box, Great) thumbnail image

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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.