Kappa 120.9w

Item# KAPPA120.9W
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$119.95119.95 each $249.95 Save $130

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Additional Information
At a Glance:
  • Woven Glass-Fiber Cone
  • Vented Polepiece
  • Medium Q Design
  • Tested to Ensure They’ll Stand Up
What's in the box:
  • 1 120.9w subwoofer
  • 1 foam mounting gasket
  • 1 3mm hex wrench
  • 1 Owner's Manual
  • 1 Technical Data Sheet
Looking for a more moving audio experience? Take Infinity car audio for a ride. Innovative materials and breakthrough engineering have always put Infinity products out in front of the competition. So expect extreme output from Kappa subs, but be prepared for accuracy and detail that may simply blow you away.Infinity’s revolutionary new Kappa Series subwoofers deliver true low-distortion high-performance with one incredible feature, Infinity’s Selectable Smart Impedance (SSI) design.
Product Features:
  • Woven Glass-Fiber Cone
    This cone material is extremely stiff, minimizing cone flex; its rigidity results in the very low distortion and improved clarity that are Infinity trademarks.
  • Vented Polepiece
    Reduces air compression under the dust cap, minimizing mechanical noise, and provides more constant mechanical Q for reduced distortion.
  • Medium Q Design
    Provides great performance in sealed, vented or band-pass enclosures. Kappa woofers can be ±30 percent of the recommended volume. Optimum vented boxes do not require superlong ports.
  • Tested to Ensure They’ll Stand Up
    Infinity subwoofers are tested according to the strictest and most demanding reliability-testing regimen ever designed for car-audio speakers. They are shaken, baked, frozen and dropped, all while they’re operating, and attempts are even made to destroy them with signals up to 10 times their rated power. When they’ve passed those tests, the subs are subjected to their RMS and peak power limits for 100 hours. Many competing subs are tested for only eight hours.
Manuals & Downloads:
General Specifications:
Speaker Type
10˝ High-Performance SSI Subwoofer
23Hz – 400Hz
Audio Specifications:
Power Handling (Peak)
1400 watts
Power Handling (RMS)
350 watts
Nominal Impedance
2 or 4 ohms
Mounting Depth (in)
Kappa 120.9w is rated 5.0 out of 5 by 1.
Rated 5 out of 5 by from I've had this sub for about 8 months and it is amazing! Everyone seems to think I have 2 12s and when I tell them I only have 1 they freak out! I recommend this subwooer to everyone! I have a kappa k1000 amp pushing this sub (huge amp) I've pushed this sub to the limit and it has never failed , this combo is unimaginably loud and the clarity is unbelivable, trust me and just buy it you will not be dissapointed
Date published: 2016-09-03
  • y_2017, m_12, d_10, h_22
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Is this a 12" subwoofer or a 10"?

Asked by: Db19
The KAPPA 120.9w is a 12 inch High Performance Subwoofer.
Answered by: Joe G at Customer Service
Date published: 2017-03-06

can the kappa 120.9 be wired down to 1ohm

Asked by: cpruett
Thank you for your question this subwoofer can only be used at 2 or 4 ohm application
Answered by: Randy at JBL
Date published: 2016-04-27
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3 Year Warranty

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