Infinity Kappa 120.9W (1209W) 12" Kappa Car Subwoofer

Home » Car Audio, Video & GPS » Car Audio » Car Subwoofers » 12" Subwoofers » Infinity 120.9W

Zoom

Infinity 120.9W: alternate picture thumbnail

12" Selectable Smart Impedance Kappa Series Car Subwoofer

(18 reviews)

Read 18 reviews

Write a review

Item Condition: Brand New
Availability: In Stock - Ships same or next business day

Specials with this product

Free Ground Shipping to the 48 statesdetails

Calculate Shipping

List Price:

$279.95

Instant Savings:

–$80.00

Checkout price:

$199.95

Fast & Free Shipping
On Thousands of Items
Low Price Guarantee
Use our Low Price Request
Product Protection
Best Warranty in the Industry

Find the right amplifier for your subwoofers

A+++...for a great product and speed at which they process my order and had it delivered. I'd definitely make another purchase through them.

- Sean from Eureka CA

Description

Features & Specs

Reviews

Accessories

Wiring Guide

Buy with the Infinity 50.9cs + Infinity 52.9I Speakers + RE Audio XTX500.5 Amp & Save $50.00!

Click here to buy the combo package!

Infinity subwoofers have always distinguished themselves clearly from the competition. The Infinity SSI Kappa series subwoofers are no exception and fight on a playing field all their own. Right away the coated glass-fiber cone shows off an air of sophistication and style while offering incredible rigidity that minimizes distortion.

Once you get past the cultured exterior, the interior components uphold Infinities affinity for advanced technology. This Kappa sub utilizes a triple voice coil system which gives it the incredible ability to offer selectable impedance. Selectable Smart Impedance (SSI) technology allows this sub to run at 2 Ohms or 4 Ohms with the flick of a switch. This allows you to extract the most from your subwoofer amplifier in any situation. If you decide to add a subwoofer down the line, SSI makes it easy to reconfigure your entire system without buying different subwoofers or amplifiers.

The SSI Kappa subwoofers handle a remarkable amount of power and sound incredible in sealed or ported enclosures. If you want great sounding bass with unheard of wiring versatility, Infinity Kappa subs are technologically advanced enough to handle it.

General Features:

12" SSI Kappa Series 2 Ohm or 4 Ohm Subwoofer
Power Handling:

Peak: 1400 watts
RMS: 350 watts

Impedance: Selectable 2 or 4 ohms
Coated glass-fiber woofer cone
Thick rubber surround
Selectable Smart Impedance (SSI) lets you set the subwoofers impedance with the flip of a switch
Cast aluminum basket with voice coil vents
Triple voice coil technology
2" Voice coil diameter
Rubber boot surrounds the magnet structure
Frequency response: 23-400 Hz
Sensitivity: 91 dB
Authorized Internet Dealer
1-year Manufacturer's warranty

Package Includes:

120.9w SSI Subwoofer
Foam Mounting Gasket
3mm Hex Wrench
Owner's Manual
Technical Data Sheet

Product History:


	Infinity Kappa 120.9W (newest, current model)

	Infinity Kappa 122.7w (previous model, replaced by Infinity Kappa 120.9W)

Sonic Electronix, Inc. can only ship Infinity products within the United States of America.

Subwoofer Specifications
Subwoofer Series	Kappa
Subwoofer Size	12"
Peak Power Handling	1400 watts
RMS Power Handling	350 watts
Voice Coil(s)	Single
Impedance (Per Voice Coil)	2 or 4 ohms
Frequency Response	23 - 400 Hz
Sensitivity	91 dB
Xmax (millimeters)	17.50 mm
Subwoofer Design	Round / Circle
Main Cone Color	Gold
Woofer Composition	Coated Glass Fiber
Woofer Surround	Rubber
Subwoofer Grille	No
Re-Cone Kit Available	No
Recommended Enclosure Specifications
Recommended Enclosure Type	Ported / Vented Sealed
Minimum Sealed Box Volume	1.00 cubic feet
Maximum Sealed Box Volume	1.00 cubic feet
Minimum Ported Box Volume	2.00 cubic feet
Maximum Ported Box Volume	2.00 cubic feet
Top-Mount Depth	6-5/16"
Cutout Diameter	11-3/16"
Shallow Mount Installation	No

Warranty and Return Policy
Return Policy	Standard Return Policy
Parts Warranty Duration	1 year
Labor Warranty Duration	1 year
Warranty Provider	Manufacturer

Customer Review Summary for Infinity Kappa 120.9W

Average Customer Rating is 4.4 out of 5 stars:

based on 18 Reviews

Share your thoughts with others:

Write a Review

Rating Distribution:

5 star:	. .	67%
4 star:	. .	17%
3 star:	. .	11%
2 star:	. .	6%
1 star:	.	0%
	what's this?

Average Attributes Rating:

Durability	4.4	4.4
Value	4.6	4.6
Features	4.9	4.9
Design	4.8	4.8
Usability	4.9	4.9
	what's this?

Quick Comparison:

Most helpful favorable review

Most helpful critical review

Most Helpful Customer Reviews:

February 9, 2013

Audiophile Bass

Review by
3d-audio from SLC, Utah

Overall	5.0
Durability	5.0
Value	5.0
Features	5.0
Design	5.0
Usability	5.0

I used a pair of the Infinity Kappa 120.9W's in a home, high-end audio system. I put them in 3 Cu. Ft. sealed boxes and placed one in each corner of the audio room. The Apogee Divas are closer to the listening chair, so the sub-woofers are behind them. The bass is awesome. I have heard many high-end subs and these are as good or better than some of the expensive high-end subs. With a db or two of boost at the low end, these subs go down nicely to 20 Hz.

Help other customers find the most helpful reviews

Was this review helpful to you?

Yes No

Report Abuse |

Write a Review

December 19, 2012

Amazing sub for the price

Review by
Michael from Zachary, LA

Overall	5.0
Durability	5.0
Value	5.0
Features	5.0
Design	5.0
Usability	5.0

I originally had an Infinity 1262w reference sub and the voice coil separated one day. Rather than trying to get a refund or warranty work I decided to get an upgrade and go with the Kappa. I now wish I had gone with the Kappa in the beginning! The sound is amazing. My box is sealed for clean tight bass and this sub delivers. I don't care for people to hear me coming a mile away but this sub is incredibly loud inside my car. To the point that people who listen to it generally have to plug their ears.

I am only putting about 300w into it but it can shake my entire car and still play cleanly without any boominess or muddy distorted sound. I don't always listen to music like rap or hip-hop, so when listening to classical music or country the bass is supremely clear and not overpowering. I couldn't ask for a better sub for the money!

Help other customers find the most helpful reviews

Was this review helpful to you?

Yes No

Report Abuse |

Write a Review

September 24, 2012

Excellent purchase

Review by
gb from Prevost, PQ, Canada

Overall	5.0
Durability	5.0
Value	4.0
Features	5.0
Design	5.0
Usability	5.0

I installed this sub in a BMW X5 to supplement the bass on the Hi-Fi system. Wow. This sub provides deep, clean and rich bass. Way more that my ears can stand. Bonus, it looks great.

Help other customers find the most helpful reviews

Was this review helpful to you?

Yes No

Report Abuse |

Write a Review

August 23, 2012

Nice enough

Review by
AwsedreswA from Hampton, VA

Overall	5.0
Durability	5.0
Value	5.0
Features	5.0
Design	5.0
Usability	5.0

In a Sonic Sub Box: 1H12-1.0 (Gray) with dynamat on the inside to get closer to the 1.0 cubic feet spec. Drilled through the connector plate and ran monster cable 10-gauage speaker wire straight from the amp to sub.

Powered by Infinity Kappa Five (300-600W on the mono sub channel),

running 4 gauge and the BOSS cap-20.

Can make 2002 Monte Carlo SS rearview mirror fall off. I think I had it set at 320LP with the db gain set somewhere between 60 and 80hz (I think). A 160LP might be what its on now, I was having a problem with my amp cuttin out, so I reduced the high frequencies from the deck too and the system can run at max volume now. The 400hz max range was kinda much to believe anyway (from speaker or amp@320).

Once I get the candy amp rack made I think I'll pick up Infinity's other sub amp and give this thing the power it wants.

Great deal for the price, lets you get the extended warranty option. Decent look and VERY durable, but won't look pretty after it shows you it is durable (the shimmer wears off).

Help other customers find the most helpful reviews

Was this review helpful to you?

Yes No

Report Abuse |

Write a Review

August 8, 2012

ErichRN

Review by
ErichRN from tacoma wa

Overall	3.0
Durability	1.0
Value	5.0
Features	5.0
Design	3.0
Usability	5.0

Had 2 in 2 sealed 1.2cf boxes they sounded good about 4 months and they tore all the way around. The fiberglass cone has a rough edge where it is glued to the rubber surround and cut the rubber. I tried to glue them but never sounded right. It's too bad they just didn't smooth the edge of the cone before gluing. I exchanged them for power caustic mofo that don't sound as good but much stronger. Do not use stated power cut in 1/2 for vented box keep ur warranty and packaging.

Help other customers find the most helpful reviews

Was this review helpful to you?

Yes No

Report Abuse |

Write a Review

View All 18 Reviews for Infinity Kappa 120.9W