Infinity Kappa 123WDSSI 12" (300mm) High-Performance Car Audio Subwoofer - Each
Infinity Kappa 123WDSSI 12" (300mm) High-Performance Car Audio Subwoofer - Each
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Infinity Kappa 123WDSSI 12" (300mm) High-Performance Car Audio Subwoofer - Each

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Key item features

  • Smart Impedance: Features SSI (Selectable Smart Impedance), a HARMAN-exclusive impedance selector allowing users to choose between 2- or 4-ohm impedance with a switch.
  • Advanced Cooling: Incorporates an aero-cooled voice coil design, optimizing power handling and ensuring long-term reliability by keeping the voice coil cool.
  • Robust Construction: Equipped with an oversized voice coil and acoustically damped glass-fiber cones engineered to minimize distortion and unwanted artifacts.
  • Premium Connectivity: Includes premium integrated push terminals for secure and reliable connections.
  • Exceptional Performance: Delivers extreme output, accuracy, and detail, reflecting innovative materials and breakthrough engineering.
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Specs

Rms power rating, 500 WWoofer size, 12 inSubwoofer type, SubwooferBrand, InfinityImpedance, 2 ohmPeak audio power handling, 1000 W, 0 W

About this item

Product details

A subwoofer that puts you in the driver’s seat.

Take Infinity car audio for a ride. Innovative materials and breakthrough engineering have always placed Infinity products in front of the competition. You can expect extreme output from Kappa subs so be prepared for accuracy and detail that will simply blow you away. The Kappa Series subwoofers feature SSI™ (Selectable Smart Impedance) a HARMAN-exclusive impedance selector that lets you choose a 2- or 4-ohm impedance at the flip of a switch. Their proprietary aero-cooling design keeps the voice coil cool while optimizing power handling and long-term reliability. Finally the acoustically damped glass-fiber cones have been engineered to minimize distortion and unwanted artifacts. More performance and flexibility: you get both when you step up to an Infinity Kappa subwoofer.

Features: 

  • SSI™ (Selectable Smart Impedance)
  • Aero-cooled voice coil
  • Oversized voice coil
    • SSI™ (Selectable Smart Impedance)
    • Aero-cooled voice coil
    • Oversized voice coil
    • Premium integrated push terminals
    info:
    We aim to show you accurate product information. Manufacturers, suppliers and others provide what you see here, and we have not verified it.  

    Specifications

    Rms power rating

    500 W

    Woofer size

    12 in

    Subwoofer type

    Subwoofer

    Brand

    Infinity

    Warranty

    Warranty information

    1 Year Limited Warranty

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    Customer ratings & reviews

    2.5 out of 5 stars
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    2 ratings2 reviews
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    Showing 1-2 of 2 reviews

    May 23, 2026
    Reviewer name: Juan
    Sold and shipped byTechronics
    4 out of 5 stars
    4 out of 5 stars review

    Verified Purchase

    I thought it would be louder but very good quality sounds great

    Helpful?3TYSCVU4XY7S837744830
    Oct 18, 2026
    Reviewer name: grnpop
    Sold and shipped byTechronics
    1 out of 5 stars
    1 out of 5 stars review

    Verified Purchase

    Package was resealed as many things from this seller. I don't consider that "NEW"

    Helpful?3TYSCVU4XY7S837744830
    Current price is $115.38
    Price when purchased online
    • Free shipping
    • Free Holiday returns until Jan 31
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    Sold and shipped by Techronics
    4.421348314606742 out of 5 stars
    4.4 stars out of 5, based on 178 seller reviews(4.4)
    Extended holiday returns
    Free Holiday returns until Jan 31