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Infinity Kappa 124.7w

12" Kappa Series Subwoofer with Easy Selectable 2- or 8-ohm Operational Impedance

4.8

(6 reviews)

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The product on this page is discontinued.
  • 12" Subwoofer with Easy Selectable 2- or 8-ohm impedance
  • Power Handling:
    • Peak: 1400 watts
    • RMS: 350 watts
  • Impedance: 2- or 8- ohms
  • Woven glass fiber cone woofer
  • Rubber surround
  • Stamped steel basket
  • Lightweight neodymium magnet
  • Frequency response: 23-400 Hz
  • Sensitivity: 90 dB
  • 1-year SonicElectronix.com warranty
Subwoofer Specifications
Subwoofer Size12"
Peak Power Handling1400 watts
RMS Power Handling350 watts
Voice Coil(s)Dual
Impedance (Per Voice Coil)4 ohms (easy 2- or 8-ohms selectable impedance)
Frequency Response23 - 400 Hz
Sensitivity90 dB
Xmax (millimeters)N/A
Subwoofer DesignRound / Circle
Woofer CompositionWoven Glass Fiber
Woofer SurroundRubber
Subwoofer GrilleNo
Re-Cone Kit AvailableNo
Recommended Enclosure Specifications
Recommended Enclosure TypeN/A
Top-Mount Depth5"
Cutout DiameterN/A
Shallow Mount InstallationNo
Warranty and Return Policy
Return Policy Standard Return Policy
Parts Warranty Duration3 years
Labor Warranty Duration3 years
Warranty ProviderSonic Electronix
Customer Review Summary for Infinity Kappa 124.7w
Average Customer Rating is 4.8 out of 5 stars:
4.8
based on 6 Reviews
Share your thoughts with others:
Rating Distribution:
5 star:
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83%
4 star:
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17%
3 star:
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0%
2 star:
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0%
1 star:
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0%
what's this?
Average Attributes Rating:
Durability
4.8
Value
4.8
Features
4.8
Design
4.8
Usability
4.8
what's this?
Most Helpful Customer Reviews:
September 25, 2009 GREAT SUB!!!!!
Review by
douchbag5000 from San Diego
Overall
Durability
Value
Features
Design
Usability
This sub is awesome I have just one 12 ' Kappa in a sealed box and it vibrates everything with low hard hitting deep bass this sub sounds and hit's better than two other sub's . I would like to hear how two Kappas sound at once!

this is the best sounding sub you will get!
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June 10, 2009 Nice sub
Review by
Scoop from Ringgold, GA
Overall
Durability
Value
Features
Design
Usability
Bought this along with Infinity door speakers for a complete new system. Very nice sub woofer. Very tight bass in the closed box I installed it in. Sounds amazing. Highly recommend.
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June 30, 2008 Simply Amazing
Review by
David from Cleveland, OH
Overall
Durability
Value
Features
Design
Usability
I Have 2 of these in my girls car hooked up to a 2 channel 800 watt amp so there both getting about 400 watts each and man these things pound!!when i bought infinity i was expecting just sound quality not really loudness but i was wrong these things not only sound amazing but when i turn them up they can really BUMP and these things can hit deep to in my ported box which is perfect for me because i listen to alot of rap music so overall this is an amzing product and i would recomend infinity products to anyone!! simply amazing
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April 9, 2008 great subs
Review by
Ben from Liberty, KY
Overall
Durability
Value
Features
Design
Usability
I installed 2 of these in a GMC extended cab truck under the back seat and they sound great even with only 600 watts to them, they could handle alot more power. Nice subs.
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January 30, 2008 Good Alternative Rock Sub, not for Speed Metal !!!
Review by
Justin from Northwood, OH
Overall
Durability
Value
Features
Design
Usability
I bought two of these to put in my 06' Scion Tc for the purpose of adding some bass to back the infinity Kappa components that went in my doors. These subs can sound excellent with good alternative music, my favorite band is 311 and these make the songs come alive like I'm sitting front row at their concert. If you like faster rock music than you should go with the Kappa Perfect's, they are better equiped to keep up with more Speed Metal bands. Simple bass beats much like whats in rap and R&B music these tackle that style easily. I have them installed in a sealed 1.0ft3 box which is the size required by infinity and this will aid the rockers who want clear bass. They are being powered each by a monoblock Profile California Series 700 watt amp, which gives them the required 350 watts of rms. Overall these complement my system great, but if your looking for a killer bass sub your not going to find it here.
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View All 6 Reviews for Infinity Kappa 124.7w
Subwoofer Grilles
Protect your subwoofer while making your enclosure look great! These subwoofer grilles are the perfect addition to your new subwoofer.
 ProductPriceAdd?
12" Universal Subwoofer Grille12" Universal Subwoofer Grille
Protect your subwoofer with this aluminum grille that is simple to install.
$9.99
Speaker Wire
Choose from our recommended speaker wire to hook up your amplifier to your new subwoofer. The higher quality of speaker wire that it used for this connection, the better your subwoofer will sound.
 ProductPriceAdd?
15 ft. of 12 AWG StreetWires Speaker Wire15 ft. of 12 AWG StreetWires Speaker Wire
This SuperCable from StreetWires is a noise free link between your amplifier and your subwoofer.
$19.99
20 ft. of 12 AWG Kicker Speaker Wire20 ft. of 12 AWG Kicker Speaker Wire
Kicker uses twisted pair technology and hyper-flex cable to provide you with the cleanest sound and a simple installation.
$24.99
50 ft. of 12 AWG Monster 302 XLN+ Speaker Cable50 ft. of 12 AWG Monster 302 XLN+ Speaker Cable
Monsters exclusive SingleHelix® and XLN® construction result in excellent sound reproduction.
$35.00
Sound Dampening Material
Get the most sound out of your new subwoofer with some high quality sound dampening material. It will keep the road noise out and the music inside the car.
 ProductPriceAdd?
Dynamat Rubber RollerDynamat Rubber Roller
Install your Dynamat with ease! This heavy duty rubber roller is designed specifically to install your Dynamat!
$18.99
Dynamat Xtreme Trunk KitDynamat Xtreme Trunk Kit
Get better sounding bass from your new subwoofer with enough Dynamat Extreme for your entire trunk.
$94.99
Enclosure Accessories
These accessories are designed to help you build the custom enclosure that you have always wanted, or add to the box that you already bought. Either way, these products can assist you in achieving better sound, better looks, and more bass!
 ProductPriceAdd?
20 oz. Bag of Poly-Fil20 oz. Bag of Poly-Fil
Polyester fiber fiberfill adds better bass to your system.
$5.99
16 oz. Can of Adhesive Spray16 oz. Can of Adhesive Spray
Spray adhesive used for adhering carpet to subwoofer boxes without bubbles.
$5.99
Spring Post Terminal CupSpring Post Terminal Cup
Makes adding a spring post terminal to an enclosure simple! Banana clip ready!
$2.99
Binding Post Terminal CupBinding Post Terminal Cup
Use this to easily install a binding post terminal to your subwoofer enclosure.
$2.99
Banana Clip TerminalsBanana Clip Terminals
These high grade banana clips allow you to plug into your banana clip ready terminal for a secure connection.
$4.99
System Optimization and Tuning
Use these items to assist in testing and tuning your new car audio system to perfection!
 ProductPriceAdd?
AutoSound 2000 CD-101AutoSound 2000 CD-101
Low frequency test CD
$12.99
AutoSound 2000 CD-102AutoSound 2000 CD-102
High frequency test CD specifically designed for the set-up and evaluation of sound system imaging and placement.
$12.99
AutoSound 2000 CD-103AutoSound 2000 CD-103
Audiophile reference series test disc for evaluation of all audio components.
$12.99

Product Summary

Manufacturer: Infinity
Model number: 124.7w
UPC: 050667034658
Weight: 14.00 lbs
Internal SKU: 1247w
Internal product ID: 6925
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Customer Testimonial

Super fast shipping, great costumer service and communication, the best price I found for my equipment.
Thanks Sonic Staff!

- Marcello from Hollywood, FL

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