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Infinity Kappa Series 12" 123WDSSI High-Performance Car Audio Subwoofe Skip to content
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Infinity Kappa Series 12" 123WDSSI High-Performance Car Audio Subwoofer

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Original price $ 269.95 - Original price $ 269.95
Original price
$ 269.95
$ 269.95 - $ 269.95
Current price $ 269.95
SKU INFKAPPA123WDI.FBA.FBA

Infinity Kappa Series 12" 123WDSSI High-Performance Car Audio Subwoofer

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. Our 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.

Product Highlights:

  • 12" Subwoofer with selectable 2- or 4-ohm impedance
  • Coated glass-fiber cone with rubber surround
  • Steel basket
  • Terminals accept up to 8-gauge speaker wire
  • Frequency response: 25-175 Hz
  • Power rating: 500 watts RMS (1500 watts peak power)
  • Sensitivity: 92 dB
  • Top-mount depth: 7"
  • Cutout diameter: 11-3/16"
  • Sealed box volume: 1.3 cu. ft.
  • Ported box volume: 2.5 cu. ft.
  • Grille not included
  • Warranty: 3 years
  • Our 30-day money-back guarantee
  • MFR # INFSUBKA123WDSSIAM

Sealed Box: Infinity recommends a sealed enclosure with an internal volume of 1.3 ft³. Sealed enclosures provide the most control over a woofer and provide accurate sonic reproduction, making them suitable to all types of music.

Ported Box: Infinity recommends a ported enclosure with an internal volume of 2.5 ft³ with one 4" diameter x 10" long port, resulting in a tuning frequency of 35 Hz. They also recommend using a sub-sonic filter. Ported enclosures typically provide better overall efficiency than sealed so they are suitable for use with smaller amplifiers, giving you more bass output from a given amount of power.