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Infinity Reference X REF-4002cfx

4" 2-Way Reference X Series Coaxial Car Audio Speakers

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• Peak Power: 210W
• RMS Power: 70W
• 1" Edge-Driven Textile Dome Tweeter
• Mounting Depth: 1-7/8"
• Plus One Woofer Cone Technology
• True 4 Ohms Impedance
• Sensitivity: 92dB

Learn more about the ref-4002cfx

Good news and a little bad...

This item has been discontinued

But you may be interested in the newest model that's available.

ref4022cfx thumbnail

Infinity REF-4022cfx

OUR PRICE: $69.99

View item

Product Highlights


• Peak Power: 210W
• RMS Power: 70W
• 1" Edge-Driven Textile Dome Tweeter
• Mounting Depth: 1-7/8"
• Plus One Woofer Cone Technology
• True 4 Ohms Impedance
• Sensitivity: 92dB

Description


Infinity brand icon

Authorized dealer



True 4 Ohm Impedance

These speakers are specially designed with true 4ohm technology. The impedance of these speakers are 3ohms, but when you pair them with thin factory wiring, the impedance will naturally rise up to a true 4ohms resulting in a maximum amount of power draw from your 4ohm rated factory receiver, aftermarket deck, or external amplifier. What it comes down to is efficiency. If you need a speaker that will get the most out of your current sound system, the Reference X series is for you.

Plus One Cone Technology

Each of the Reference X speakers features plus one woofer cone technology. This means the cone has been designed to be slightly larger than comparable speakers, giving you even more output on the same amount of power. This drastically increases the efficiency of the speaker, and also extends the frequency response even lower to give you that nice thump you’ve been looking for.

The Reference of Audio

Want an easy upgrade for your factory speakers without going over your budget? The Infinity Reference X Series is for you. Its engineered to bring your factory audio system to life, or to add clarity and depth to an aftermarket system. With innovative, patented technologies, and the kind of premium quality and construction that you would expect from the worlds top-selling premium car speaker brand, Infinity Reference X speakers will transform your listening experience into something amazing.


The Sound of quality

Sonic Electronix, one of the leaders in car audio, recently visited Harman, the premium global audio and infotainment group, at their research and development locations in Northridge, California and Detroit, Michigan. The purpose of these visits was to utilize and combine the powerful brand of Harman and the industry leading knowledge behind Sonic Electronix to begin working together on developing future car audio projects.


General Features:

  • 4" Reference X Series 2-Way Car Speakers
  • Power Handling:
    • Peak: 210 watts per pair / 105 watts each
    • RMS: 70 watts per pair / 35 watts each
  • Polypropylene cone material
  • Plus One woofer cone technology maximizes cone surface area
  • Butyl Rubber speaker surround
  • 1" edge-driven Textile Dome tweeter
  • Adjustable tweeter level attenuation
  • UniPivot tweeters allow you to direct the sound
  • High-temperature voice coil design
  • Ferrite magnet motor structure is vented for fast cooling
  • 3 ohms impedance works with all amps rated for 4-ohm operation
  • True 4 ohm technology incorporates speaker impedance with factory speaker wire impedance for maximum power
  • Frequency response: 75-21,000 Hz
  • Top-mount depth: 1-7/8"
  • Sensitivity: 92dB
  • Authorized Internet Dealer
  • 3-year Manufacturer's Warranty

Priced Per Pair

Product history:

Infinity REF-4022cfx thumbnail
(newest, current model)
Infinity REF-4002cfx thumbnail
(previous model, replaced by Infinity REF-4022cfx)

Specifications & Details


Speaker Specifications
Series
Reference-X Series
Priced Per
Pair
Speaker Size
4"
Design
2-way Coaxial
Tweeter Design
Dome
Tweeter Size
1"
Tweeter Composition
Textile
Woofer Composition
Polypropylene
Woofer Surround
Butyl Rubber
Peak Power Handling
105 watts
RMS Power Handling
35 watts
Sensitivity
92 dB
Frequency Response
75 - 21000 Hz
Impedance (Per Voice Coil)
4 ohms
Shallow Mount Installation
Yes
Top-Mount Depth (Mounting Depth)
1-7/8"
Cutout Dimensions
3-3/4" x 3-3/4" 
General specifications
Speaker Grilles
No
Warranty and Return Policy
Parts Warranty Duration
3 years
Labor Warranty Duration
3 years
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

REF-4002cfx

Weight:

4.50lbs

Internal SKU:

ref-4002cfx

Internal Product ID:

61825

Product and How-to Videos


  • Infinity Reference X Series Speakers
  • Harman International: The Pursuit of Great Sound

Customer Ratings & Reviews



5 star
86%
4 star
14%
3 star
0%
2 star
0%
1 star
0%



Durability
4.9
Value
4.9
Features
5
Design
4.9
Usability
5

Customer Reviews

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Great speakers

I had been using the 3.5" infinitys on my motorcycle, but upgraded to the four inch. These speaker are driven by a zune MP3 player and a 300 watt nvx amp. The sound is awesome.

By Joel on May 1, 2014

41

found this helpful.

93 lexus ls400

i have this in all 4 doors of my lexus on my stock amp and my kenwood deck and it keeps up with my 15" sub i have on 780 rms. im wanting to mod my front doors and put the 5.25" version in and re-use my 4" i have now in a custom spot under my dash.

By 3vilpanda on August 22, 2013

35

found this helpful.

Great value

They're bad a$$. I use it in my plumbing truck and I'm thinking about putting it in a crank it up contest..

By AttaBoy Plumbing on July 21, 2013

35

found this helpful.

Great product

Great sounding speakers real good price fast free shipping great product

By Mark on August 7, 2015

11

found this helpful.

Amazaing little Speakers !

I put this from my Suzuki Jimny and explode de radio ...now is real sound, to be a small speakers they sound Amazing !!1 full of bass and beauty trebles....just an amazing upgrade to my 4X4

By Drakko on January 13, 2017

2

found this helpful.

Great speaker's

Grant speakers replaced my speakers on my 1985 Goldwing. Sound great with my 1200watt amp. Crisp clear sound.

By Bighoss72 on July 3, 2016

1

found this helpful.

Very good speakers

These speakers are incredible for their size! They are super loud and decent bass again for their size! I have mine powered off the deck but would really like to see how they perform with an amp!! Great purchase if it's the size you need

By Nickers on June 29, 2016

1

found this helpful.

Add-ons


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