Infinity 509CS 255W (Peak) 5-1/4 -Inch Two-Way Speaker Component System (Pair)

$279.95 $122.95
(as of 23/06/2010 09:23 - info)
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  • Infinity built their Kappa Series speakers with improved technology and high-end materials to provide you with outstanding sound reproduction.
  • Plus One woofer cones This patent pending technology deliver a cone with more surface area than competing models of the same size.

Infinity built their Kappa Series speakers with improved technology and high-end materials to provide you with outstanding sound reproduction. The low-impedance design makes these speakers very efficient you can even power them with your factory radio and get great results.

The Kappa 50.9cs component speaker system features 5-1/4″” woofers with responsive woven glass-fiber cones that won’t flex during a hard workout. The Plus One design offers a larger surface area for improved low-frequency output and efficiency, while longer voice coils add a little more punch to the bass. Large magnets keep the woofers running cooler by placing more steel close to the voice coils to act as a heat sink.

Infinity uses the same textile dome tweeters found in many of their popular home speakers with this Kappa system, so you’ll hear the music the way it was recorded with minimal coloration or distortion. The tweeters handle down to 2,500 Hz, almost an octave below the tweeters in many systems, so you’ll hear more definition and detail, no matter where you sit. Infinity includes mounting hardware to install the tweeters in custom or factory openings.

Speaker Systems

2 Reviews

  1. Michaelangelo Guerrera says:
    Posted June 15, 2009 at 12:00 am | Permalink

    These small 5-1/4 really act and sound like 6-1/2′s. They look great too, I installed mine without a grill cover to show off the luster from the woofer and tweeter set – classy!

  2. Nicholas B. Young says:
    Posted February 17, 2009 at 12:00 am | Permalink

    First and foremost, these speakers rock my world. The separate tweeters put out such great highs i’m hearing parts of my music i’ve never heard before. Secondly, you must use an amp if you expect these speakers to work. I tried running them solely off the power from my Pioneer CD deck and failed miserably, all they did was put out a terrible buzzing noise. In short this was because the amount of power coming from the deck was not enough to reproduce the sound in the speaker. So…$200 later and a brand new Alpine 4 channel amp and the front components and rear 6x9s (all Kappa) are all running on Alpine and blasting great, clear, distortion free sound.


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