Garage
Shop

See all parts that fit your 1978 280Z

Infinity Kappa 652.9i + NVX Sound Dampening

6-3/4" 2-way Kappa Series Speakers with Two 10" x 10" Pieces of NVX Sound Dampening Material

Infinity
Shop all Infinity
EXCLUSIVE
Product videos
highlight-star-icon

6-1/2" (Oversized 6.5") Kappa Series Car Speakers • 225W Max • 75W RMS • Woven Glass Fiber Cone Woofer • Rubber Surround • 1" Edge-Driven MMD (Metal Matrix Diaphragm) Dome Tweeter • Unipivot Adjustable Tweeter • Computer Optimized Voice-Matched Passive Crossovers • Included NVX Sound Dampening

Learn more about the 6529i_sdsk2

We apologize

This item has been discontinued

NVX - Worth the Envy - Direct to Consumer Car Audio

Loading...
RVM-35V1 main

MB Quart RVM-35V1

3.5" Touchscreen Multi-Zone Digital Multimedia Receiver with Bluetooth for RV's

-10.38%

$189.99

List price $211.99

RV.R1 main

DS18 RV.R1

Multi-Zone Digital Audio Receiver with Bluetooth Audio Streaming for RV's

55
RVDVD3.0 main

MB Quart RVDVD3.0

Multi-Zone DVD Receiver with Bluetooth for RV's

1
-10.10%

$257.99

List price $286.99

MB Quart RVM2.0

Multi-Zone Digital Audio Receiver with Bluetooth Audio Streaming for RV's

-10.29%

$156.99

List price $174.99

RVM-10V1 main

MB Quart RVM-10V1

10" Touchscreen Multi-Zone Digital Multimedia Receiver with Bluetooth for RV's

-9.09%

$250.00

List price $275.00

Product Highlights


6-1/2" (Oversized 6.5") Kappa Series Car Speakers • 225W Max • 75W RMS • Woven Glass Fiber Cone Woofer • Rubber Surround • 1" Edge-Driven MMD (Metal Matrix Diaphragm) Dome Tweeter • Unipivot Adjustable Tweeter • Computer Optimized Voice-Matched Passive Crossovers • Included NVX Sound Dampening

Description


Infinity brand icon

Authorized dealer

Speaker Features:
  • 6-3/4" (Oversized 6-1/2") Kappa Series Car Speakers
  • Power Handling:
    • Peak: 450 watts per pair / 225 watts each
    • RMS: 150 watts per pair / 75 watts each
  • Woven glass fiber cone woofer
  • Rubber surround
  • 1" Edge-driven MMD (Metal Matrix Diaphragm) dome tweeter
  • Patented Infinity Unipivot design allows for pivoting/rotating of adjustable tweeter
  • Computer optimized voice-matched passive crossovers with audiophile-grade air core inductors and polypropylene capacitors
  • Adjustable tweeter level (-3 dB, 0, +3 dB)
  • 2 ohm impedance
  • Top-mount depth: 2-3/8"
  • Authorized Internet Dealer
  • 1-year Manufacturer's warranty
Sound Dampening Features:
  • Two 10" x 10" Pieces of Series 3 Sound Dampening Material
  • Eliminates Road Noise
  • Quiets Vibrations
  • Stops Rattles
  • Increases SPL
  • Reduces Heat
  • Simple To Install
  • Easy To Form Aluminum
  • Four step peel and stick installation
  • Increases sound quality and output
  • Up to 30% thicker than the leading competitors
  • Dimensions (each piece): 10"L x 10"W

Speakers Priced Per Pair


Best selling similar products

P1V2-675 small

Rockford Fosgate Punch P1V2-675

• 150 watts Peak Each, 75 watts RMS Each
• 3/4" Tetolon Inverted Dome tweeters
• 3/8" Polypropylene-Piezo super tweeters
• Mica reinforced Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

$179.99

List price $239.99

H672 small

Cerwin-Vega H672

• 270 watts Peak Each, 90 watts RMS Each
• 1" PEI (Polyetherimide) Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 86 dB

$159.99

List price $191.99

DMDX675 small

Diamond Audio DMDX675

• 150 watts Peak Each, 50 watts RMS Each
• Dome Tweeters
• Treated Paper cone material
• Impedance: 4 ohm
• Sensitivity: 86 dB

$159.99

List price $159.99

R1675X2 small

Rockford Fosgate Prime R1675X2

• 90 watts Peak Each, 45 watts RMS Each
• 1/2" Silk Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 91 dB

(59)

$79.99

List price $79.99

P1675 small

Rockford Fosgate Punch P1 P1675

• 120 watts Peak Each, 60 watts RMS Each
• 3/4" PEI (Polyetherimide) Dome tweeters
• Injection Molded Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

(48)

$109.99

List price $109.99

H675C small

Cerwin-Vega H675C

• 360 watts Peak Each, 120 watts RMS Each
• 1" PEI (Polyetherimide) Balanced Dome tweeters
• Responsive Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 87 dB

$189.99

List price $227.99

46CSS674 small

Kicker CSS67 (46CSS674)

• 300 watts Max Each, 100 watts RMS Each
• 3/4" Titanium Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 90 dB
• Mounting Depth: 1-7/8"

(5)

$143.96

List price $199.99

T1675 small

Rockford Fosgate Power T1 T1675

• 150 watts Peak Each, 75 watts RMS Each
• 1" Aluminum Dome tweeters
• Carbon Fiber Reinforced IMPP cone material
• Impedance: 4 ohm
• Sensitivity: 89 dB

(17)

$219.99

List price $219.99

DSK 170.3 small

Hertz DSK 170.3

• 160 watts Peak Each, 80 watts RMS Each
• 1" PEI (Polyetherimide) Dome-Cone tweeters
• Paper cone material
• Impedance: 4 ohm
• Sensitivity: 93 dB

(1)

$199.99

List price $230.00

Specifications & Details


Speaker Specifications
Speaker Size
6-1/2" (also mounts in 6-3/4" w/ included brackets)
Design
2-way Coaxial
Tweeter Design
Dome
Tweeter Composition
M.M.D. (Metal Matrix Diaphragm)
Woofer Composition
Woven Glass Fiber
Woofer Surround
Rubber
Peak Power Handling
225 watts
RMS Power Handling
75 watts
Sensitivity
95 dB
Frequency Response
45 - 25000 Hz
Impedance (Per Voice Coil)
2 ohm
Top-Mount Depth (Mounting Depth)
2-3/8"
Cutout Dimensions
6-1/8" x 6-1/8" 
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

652.9i_SDSK2

Weight:

9.48lbs

Internal SKU:

6529i_sdsk2

Internal Product ID:

37325

Product and How-to Videos


Customer Ratings & Reviews


Infinity Kappa 652.9i + NVX Sound Dampening thumbnail image

5 star
100%
4 star
0%
3 star
0%
2 star
0%
1 star
0%



Durability
5
Value
5
Features
5
Design
5
Usability
5

Customer Reviews

Sort by:

Loading...

VERY NICE

I BOUGHT THESE SPEAKERS BECAUSE OF THE PRICE.I THOUGHT YOU GET WHAT YOU PAY FOR,BUT WAS A EVER SURPRISED THEY ARE INSTALLED IN MY ESCALADE AND OUT PERFORM THE FACTORY BOSE THAT WERE IN IT.I BOUGHT 2 PAIR FOR FRONT AND REAR,THE ONLY ISSUE I HAVE IS THAT I DID NOT RECEIVE 4 DAMPENING SHEETS ONLY 2.OTHER THAN THAT I AM VERY HAPPY!!!!!

By GARY on September 9, 2012

2 found this helpful


VERY NICE!!!

I just got these speakers installed and man they are freaking nice. I did not expect them to sound as great as my factory Bose, but they out did them to my surprise. They were worth every penny

By GARY on August 31, 2012

1 found this helpful




SDSK2 main

NVX SDSK2

• 1.38 square feet sound deadening kit
• Material Used: Vibration Dampener
• Material Thickness: 0.091
• Install Location: Speaker
• Pack includes two 10" x 10" sheets

(113)

$9.99

List price $18.74

Related Searches


Save up to 10 different vehicles in your garage
Vehicle
Store
Delete

1979 Buick Opel

2011 Suzuki Grand Vitara

1992 Dodge Dakota

1983 Jeep Cherokee

1989 Isuzu Impulse

1985 Isuzu Trooper

1978 Datsun 280Z

2004 Audi A6 Quattro

1998 Mazda B3000

2017 Tesla Model S

Vehicle
Store
Delete

1960 Harley Davidson FLH Electra Glide

Add vehicle Clear all vehicles
Where to find vehicle info
Are you sure you want to clear your garage?
This action cannot be undone. Confirm
This page was not designed for products.
If you continue, you will be redirected to a category customized for your vehicle. Continue
Loading...
Identify your vehicle and submodel details
  • Owner's manual
  • Vehicle's insurance card
  • Vehicle registration
  • Vehicle produced after 2005: Inside driver's side door
  • Vehicle produced before 2005: Rear passenger doorjamb, glove box, center console, or engine compartment
Car Info Side Door Icon
Vehicle Registration Icon
Vehicle Insurance Icon

Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

  • You see only parts engineered for your exact vehicle
  • You avoid incompatible radios, speakers, or wiring
  • Installation is smoother, faster, and frustration-free
  • You get the correct accessories the first time

Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.