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Infinity Kappa 1000W

Kappa Series 10" subwoofer with selectable 2- or 4-ohm impedance

Item # 108KAPPA10

With their rugged construction and sophisticated engineering, Infinity's Kappa subwoofers excel in a variety of...

With their rugged construction and sophisticated engineering, Infinity's Kappa subwoofers excel in a variety of...

Item # 108KAPPA10

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C$299.99 each
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About the Infinity Kappa 1000W

All-around excellence

With their rugged construction and sophisticated engineering, Infinity's Kappa subwoofers excel in a variety of applications, equally at home in ported or sealed enclosures. These dependable subs feature switchable impedance so they'll always fit into your system, and they'll handle plenty of power so they'll deliver powerful, accurate bass. Plus, Infinity protects these subs with an impressive 3-year warranty.

All-around excellence

With their rugged construction and sophisticated engineering, Infinity's Kappa subwoofers excel in a variety of applications, equally at home in ported or sealed enclosures. These dependable subs feature switchable impedance so they'll always fit into your system, and they'll handle plenty of power so they'll deliver powerful, accurate bass. Plus, Infinity protects these subs with an impressive 3-year warranty.

Selectable impedance

The Kappa 1000W 10" subwoofer features the unique Selectable Smart Impedance design, which lets you build exactly the system you want — high-power or multi-sub — without complicated wiring. Just flip the convenient impedance switch to safely choose between 2 or 4 ohms. If you're thinking about upgrading your amplifier or adding another sub down the line, this sub makes it easy to reconfigure — and it's nearly impossible to wire incorrectly.

Rugged construction

This sub handles plenty of power and sounds great in sealed or ported enclosures. Infinity's proprietary aero-cooling design helps keep the 2" voice coil cool. The acoustically damped glass-fiber cone minimizes distortion, giving you nothing but pure bass. And the steel basket provides a solid base for the sub, which handles up to 450 watts RMS. Infinity's Kappa subwoofers are known for their sound quality, and they offer the wiring versatility you need to build a system for your changing needs.

To drive this single subwoofer, we recommend a mono amplifier rated between 350 and 700 watts RMS at 2 ohms. For more information, please refer to our article on How to Match Subwoofers and Amplifiers.

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Product highlights:

  • 10" subwoofer with selectable 2- or 4-ohm impedance
  • coated glass-fiber cone with rubber surround
  • steel basket
  • frequency response: 25-400 Hz
  • power rating: 450 watts RMS (1,800 watts peak power)
  • sensitivity: 90 dB
  • top-mount depth: 6-1/4"
  • sealed box volume: 0.6 cu. ft.
  • ported box volume: 1.5 cu. ft.
  • grille not included
  • warranty: 3 years
  • Our 60-day money-back guarantee
  • MFR # Kappa 1000W

What's in the box:

  • One 10" Woofer
  • Screw cover ring (installed)
  • Self-adhesive foam gasket
  • Owner's manual (English/ French/ Spanish/ fifteen other languages)

Customer reviews

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Infinity Kappa 1000W reviews

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BANG FOR THE BUCK!!!

Michael from Tullahoma Tn on 5/22/2019

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Definitely worth the money. I have 2 of them in my lightning and didnt lose my leg room and they sound better than my pair of 12s in my 4runner. Very clean and clear sound. Definitely recommend if you have minimal space

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Crutchfield response on

0 of 0 found this helpful

2X KAPPA 10S

Matthew from South Africa on 4/26/2019

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These subs are amazin great sound quality handle alot of power I'm running them on 1ohm stable at 1500rms and they take it with ease bass is clean and hits hard for 10s very impressive you would think they are 12s im running 2 of them in a Jetta mk2 along with kappa front and rear splits I have gone through alot of car audio brands and I have never been this happy I just sit in my car and listen to music for hours

Pros: 1.Priced well actually too well lol 2 handle power like champs 3.puts a smile on your face everytime

Cons: I wasted so much money on other subs

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1 of 1 found this helpful

ASTOUNDING IN ALL WAYS

Meisha from VA on 8/13/2018

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No words can describe all the great qualities of this sub woofer better than jlw3 sundown sa and dayton ho for overall sound quality and honestly the output is way more than i expected. Plenty loud enough and the LOWS are astounding maybe that's because of the low Q. This sub is amazing buy one before they are gone. They don't just sound great they look great. Usually reviews are subjective but there is a reason this sub woofer in all sizes have 5 star reviews and that's because it can do everything anyone needs weather your a bass head, sq guy like lows or overall musical proper enclosure and it will do anything you need it to and to top it off its stunning to see in person build quality and looks are unbelievable so buy this right now and you will be very happy!!! As with all audio give it proper break in time to shine!!!!!!!!!!!!!!!!

Pros: SOUND QUALITY LOW END RESPONSE MUSICALITY LOOKS BUILD QUALITY EVERYTHING!!!!

Cons: THAT YOU DON'T OWN IT YET!!!!!!!!!

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3 of 3 found this helpful

infinity kappa sub is boss

eric from Bowie, MD on 5/31/2018

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awsome low base that hits hard when properly motivated

Pros: .61 box is very small and allows the sub to be hid in alot of places..very versatile 2 or 4 ohm

Cons:

Crutchfield response on

1 of 1 found this helpful

Infinity Kappa 1000W

Crutchfield customer from Springfield, MO on 4/29/2018

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This sub has perfect, balanced sound. It sounds great.

Pros:

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Crutchfield response on

1 of 1 found this helpful

Infinity Kappa 1000W

Dus from Pahoa, HI on 3/26/2018

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Well built sub, with the bass to go with it.

Pros: Quality

Cons: N/A

Crutchfield response on

0 of 0 found this helpful

Great sound quality sub.

Rafael from Palm Bay, FL on 3/18/2018

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Build quality is very nice. Powered with two bridged channels from a focal fdp 4.600 @ 4 ohms. Housed in a .75 cu ft sealed box, no polyfill. Sounds loud, clean, deep and very musical. Can't ask for more

Pros: Very clean sounding.

Cons: None

Crutchfield response on

2 of 2 found this helpful

Nice 10" Sub

Jeff from Canyon Country, CA on 1/21/2018

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Just a great 10". Good response. Deep sound. Nice.

Pros: Better response than some with smaller magnets. Good rich bass.

Cons: None

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0 of 0 found this helpful

Infinity Kappa 1000W

Wayne from Ogdensburg, NY on 11/1/2017

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Awsome sub, hard hitting and articulate, excellent price point. Retiring my infinity kappa perfect 10's after 18 years. Still going strong. Purchased JL audio 10w6 subs a few years back but after a year went back to perfect kappas. More musical and accurate. Freindly staff at Crutchfield, first time shopper. Amazing web site with easy tracking. Highly recommend.

Pros: Musical accuracy Well built Awesome price point

Cons: So inexpensive might be fooled into thinking their not as good as more expensive subs !!!

Crutchfield response on

6 of 6 found this helpful

Great sub, easy to set up

Crutchfield customer from Riverside, CA on 10/3/2017

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This sub is perfect for my car. It hits hard when hooked up to the Kappa 600 I got with it, which pushes 600W when the sub is set to 2 Ohms, which is done with the simple push of a button rather than wiring a dual voice coil in parallel. The cone looks great also! The bass that this speaker puts out is clean and tight. It's only 450W RMS, but it sounds better and cleaner than the 500W RMS I replaced it with

Pros: Easy to change switch between 2 or 4 Ohms, just push a button, no need to worry about wiring configurations. Looks and sounds great!

Cons: Honestly, I can't think of any

Crutchfield response on

6 of 6 found this helpful

Infinity Kappa 1000W

Larry from Cocoa, FL on 8/20/2017

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I recently bought an Infinity Kappa 1000W subwoofer for my 2005 350Z. I also bought a custom enclosure for the hatchback. I had them installed by a local business. I paired the subwoofer with a JBL GTX500 amp. The sound in my car is incredible! It fills the car with clean clear beautiful sound! To say I`m pleased is an understatement! I highly recommend this package for anyone needing some bass in their vehicle.

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9 of 9 found this helpful

Kappa 1000W Sub is all that an more!

Jon from Rockford, MI on 7/18/2017

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I was looking for a subwoofer that would adapt well to my daily driver (2013 Ford Fusion), and not be too loud for small kids in the backseat or have the neighbors sneering as I drive down the road. Infinity has always been a solid brand, having installed them 15+ years ago, however these new subs are really incredible! The construction of the woofer itself it worthy of 3-times the price. The cone firm and solid, not crisp or pingy. The rubber surround is firm and thick, while the trim ring makes for a clean install. I installed the sub with a Infinity K600 amplifier and the sound authority 0.6 Cu Ft sealed enclosure. The sound for my application is exactly what I needed, punchy bass for rock and hip hop but definitely hits the lows in Rap and R&B, WAY better than I thought a 10" woofer could do.

Pros: Solid. Great bass. Punchy! Hit all ranges I need.

Cons:

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17 of 19 found this helpful

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Product Research

Features
Enclosure Compatibility
Specifications

Features

Selectable Smart Impedance (SSI): A switch on the input terminal allows you to easily change the woofer's impedance between 2Ω and 4Ω settings. (The connected amplifier should be off when changing the impedance.) The power handling is the same for either setting; 450 watts RMS/1800 watts peak.

Woven Glass-Fiber Cone: The cone material is extremely stiff, minimizing cone flex; this results in very low distortion and improved clarity.

Vented Polepiece: Venting the polepiece reduces air compression under the dustcap which minimizes mechanical noise and provides more constant mechanical Q for reduced distortion.

Terminal: The spring terminals will accept bare wire up to 8 gauge.

Enclosure Compatibility

Sealed Box: Infinity recommends a sealed enclosure with an internal volume of 0.6 ft³.

Ported Box: Infinity recommends a ported enclosure with an internal volume of 1.5 ft³ with one 3" diameter x 10" long port, resulting in a tuning frequency of 32 Hz. They also recommend using a sub-sonic filter.

Free-air Mounting: In addition to being compatible with sealed and ported enclosures, the woofer can be used in free-air applications. A free-air subwoofer is designed to be mounted on a baffle board, which separates the front of the speaker from the back. For instance, you could mount this woofer to a board attached to the rear deck or placed in the trunk against the rear seat. The trunk acts as the enclosure housing the subwoofer. Because there is no specific volume of air to stiffen the suspension, the free-air power handling is approximately half that of the woofer in a box, in this case 225 watts RMS.

Specifications

Thiele-Small Parameters: Because the woofer has two impedance settings, there are two sets of Thiele-Small parameters:

 
DC Resistance (Ω) 1.9983 3.858
Inductance (mH) 1.10 0.85
Vas (liters) 27.06 27.06
Qms 4.0 4.0
Qes 0.408 0.41
Qts 0.37 0.37
Fs (Hz) 30.5 30.5
Radiating Area (m²) 0.0330 0.0330
Xmax (mm) 10.25 10.25
Motor Force Factor (TM) 12.05 16.8

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Customer Q&A

Q
Crutchfield asked: Why did you buy this?
A
Good reviews. Price. Curious to try a subwoofer with a wide range of wattage input. Worked for Bose. [ Corey  Oct 25, 2018 ]
A
infinity clarity and quality price was right on too only other brand too choose is jl [ tyler  Jan 29, 2018 ]
A
Had great luck with the previous version [ MARCCUS B  Jan 02, 2018 ]
A
It is the best replacement for my infinity kappa perfect 10 [ Thomas  Oct 18, 2017 ]
A
I had the older infinity kappa perfect 10.1 set and they were so great I wanted these [ Thomas  Sep 05, 2017 ]
A
this is an amazing sub-woofer with vary good quality and a lot of detail . it sounds great in a ported box or a sealed box you literally cant go wrong with kappa in general [ Jeff  Aug 18, 2017 ]
A
I have enjoyed Infinity Kappa series speakers in the past. The sound is great and the warranty adds peace of mind. [ U  Aug 12, 2017 ]
A
I went with the Infinity Kappa 1000W because it runs on low power consumption, therefore staying cooler and sounding clearer then other 10in subs ive experienced. First i had just one 10in sub then ordered a second to step it up [ Kevin  Aug 09, 2017 ]
A
from what i could find it had the best clarity / power / price and my jeep came with the infinity set up installed from the factory so keeping it all Infinity will make my OCD very happy : ) [ john  Jul 13, 2017 ]
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2 questions already asked

Q
What is the cutout diameter of this sub?
[ Stuart  Sep 07, 2018 ]
1 answer
A
9" You will find this information, and more, by clicking the "Details" tab on the subwoofer's main webpage.
[ Ryan  Sep 14, 2018 ]  Staff
Q
Does the RMS power handling change with the different OHMS or does it stay the same?
[ Nate  Jan 31, 2017 ]
1 answer
A
The RMS power this sub handles stays the same no matter which ohm you choose. The ohm switch is there so you can do a better match with the amp (maybe it outputs 450 watts at 2 ohms so you set the switch there). Feel free to contact an advisor on 1-800-324-9695 for a personal recommendation on an amp too. My Bio: http://www.crutchfield.com/Support/Bio.aspx?bio=101
[ Paul  Feb 13, 2017 ]  Staff

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