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Infinity Kappa 50.5 CS 5-1/4" Component System

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5-1/4" C.M.M.D. Plus One woofers with high-Roll rubber surrounds • 1" C.M.M.D. tweeters • 2-way crossovers • frequency response 55-21,000 Hz •85W RMS

Learn more about the 505cs

Good news and a little bad...

This item has been discontinued

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Infinity Kappa 50.11cs

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Product Highlights


5-1/4" C.M.M.D. Plus One woofers with high-Roll rubber surrounds • 1" C.M.M.D. tweeters • 2-way crossovers • frequency response 55-21,000 Hz •85W RMS

Description


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Authorized dealer

  • 5-1/4" 2-Way Component System
  • Ceramic Metal Matrix Diaphragm Plus One woofer cone
  • 1" C.M.M.D. dome tweeter can be flush-, surface-, or angle-mounted
  • Hi-roll rubber surround
  • 2-way crossovers (high-pass/low-pass at 3500 Hz, 18 dB/octave)
  • Frequency response: 55 Hz - 21 kHz
  • RMS Power handling: 85 watts
  • Peak Power handling: 255 watts
  • Sensitivity 90 dB
  • Top-mount depth 2-1/16"
  • 1-year SonicElectronix.com warranty

Priced Per Pair

Product history:

Infinity 50.11cs thumbnail
(newest, current model)
Infinity 50.9cs thumbnail
(previous model, replaced by Infinity Kappa 50.11cs)
Infinity KAPPA-50.7CS thumbnail
(previous model, replaced by Infinity Kappa 50.9cs)
Infinity 50.5CS thumbnail
(previous model, replaced by Infinity Kappa 50.7cs)

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Specifications & Details


Speaker Specifications
Speaker Size
5-1/4"
Design
2-way Component
Peak Power Handling
255 watts
RMS Power Handling
85 watts
Sensitivity
90 dB
Frequency Response
55 - 21000 Hz
Impedance (Per Voice Coil)
4 ohm
Top-Mount Depth (Mounting Depth)
2-1/16"
Cutout Dimensions
4-3/4"

Item Details


Manufacturer:

Model Number:

50.5CS

Weight:

6.00lbs

Internal SKU:

505cs

Internal Product ID:

3645

Product and How-to Videos


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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.