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Infinity Reference X REF-3002cfx

3-1/2" 2-way speakers

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  • Infinity Reference X REF-3002cfx

  • Infinity Reference X REF-3002cfx

  • Infinity Reference X REF-3002cfx

  • Infinity Reference X REF-3002cfx

  • Infinity Reference X REF-3002cfx

  • Infinity Reference X REF-3002cfx

 

Our take on the Infinity Reference X REF-3002cfx

by John Pollard
Infinity

Designed for more clarity
Do you want to hear the details you've been missing in your car's sound system? You'll enjoy exceptional clarity from Infinity's Reference X Series REF-3002cfx 3-1/2" speakers. Infinity uses PEI balanced dome tweeters to bring out all the details in your music without sounding harsh.

Larger woofer for fuller sound
The REF-3002cfx features tough polypropylene woofers and durable hi-roll rubber surrounds that deliver strong performance. Each Plus One+ woofer sports a significantly larger cone than speakers of similar size, adding plenty of punch to the speaker's smooth and accurate highs.

 REF-3002cfx 3-1/2

Great for any power supply
You can power these speakers with up to 25 watts of RMS power — they'll work great with an external amplifier, but they're also a good match for a factory or aftermarket stereo. Plus, Infinity comes up with a safe way to get a little more power out of your system — these 3-ohm speakers combine with the speaker wire in your vehicle so your car stereo sees actual 4-ohm impedance. Grilles are not included — factory grilles are appropriate for most installations.

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Highlights:

  • 3-1/2" 2-way speakers (pair)
  • Plus One+ polypropylene woofer cone with hi-roll rubber surround
  • PEI balanced dome tweeter
  • True Four Ohm Impedance technology: speaker's 3-ohm impedance combines with speaker wire impedance for a 4-ohm load
  • compatible with virtually all factory or aftermarket car stereos
  • power range: 5-25 watts RMS (75 watts peak power)
  • frequency response: 85-21,000 Hz
  • sensitivity: 91 dB
  • top-mount depth: 1-7/16"
  • warranty: 1 year
  • Our 60-day money-back guarantee

Hands-on research from the Crutchfield Labs (what are the Labs?)

Features and Specs
General
Design
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2-way
Tweeter Design
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Balanced Dome
Tweeter Composition
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PEI
Woofer Composition
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Polypropylene
Woofer Surround
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Rubber
Parts Warranty
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1 Year
Labor Warranty
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1 Year
Specifications
Sensitivity
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91 dB at 2.83 volts
Frequency Response
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85 - 21k Hz
RMS Power Range (Watts)
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5-25
Peak Power Handling (Watts)
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75
Impedance (Ohms)
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3
Top-mount Depth (Inches)
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1 7/16
Bottom-mount Depth (Inches)
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N/A
Cutout Diameter or Length (inches)
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3 1/16
Product Research
What's in the box?

Download owner's manual

  • Two 2-way speakers
  • 2 Adhesive backed foam gaskets
  • 2 Infinity logos
  • Template on box
  • Owner's manual (English/ Danish/ German/ Spanish/ Finnish/ French/ Italian/ Dutch/ Polish/ Portuguese/ Russian/ Swedish/ Turkish/ Chinese)

Our Product Research Team

At Crutchfield, you'll get detailed, accurate information that's hard to find elsewhere. That's because we have our own in-house Product Research team — they open the box, verify contents, check the owner's manual, and record dimensions, features and specs. We stay on top of new products and technologies to help people make informed choices.

Features

Plus One+ Woofer Cones: Each speaker uses a cone significantly larger than other speakers of the same size. This is accomplished by using a unique basket design and hi-roll surround. The Plus One+ design offers greater bass output and an increase in efficiency.

Hi-roll Rubber Surrounds: The hi-roll rubber surrounds allow the woofers a greater range of movement, resulting in longer X-max and more bass output.

Tweeter: Each speaker has a balanced dome tweeter. A semi-dome tweeter has a dome placed inside a cone. Balanced dome tweeters are semi-dome tweeters with equal reproduction area given the cone and dome portions of the tweeter.

True Four Ohm Impedance Technology: The speaker's 3-ohm impedance combined with the impedance of your speaker wire provides a true 4-ohm load to your connected head unit or amplifier.

Power Handling: Although Infinity rates the 3002cfx speakers at 25 watts RMS (continuous average), they also recommend amplifiers with a power rating from 5 to 50 watts RMS.

 
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Infinity Reference X REF-3002cfx Reviews

Average Customer Review:

26 people say:

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5 out of 5

Great Dash Speakers!

Written By Chris W, East TN on Friday, July 18, 2014
Crutchfield Customer Review (What's this?)
 
What an Upgrade from factory speakers! Amazing difference. Now I am excited about upgrading other speakers as well. Thanks Crutchfield!
Pros:
Amazing sound improvement
Cons:
Didn't have factory connectors but easily solved with solder and a bit of wire. No biggie.
Was this review helpful?    Yes | No
 
5 out of 5

Infinity Reference X REF-3002cfx

Written By Robert, Harrington Park , New Jersey on Tuesday, July 01, 2014
Crutchfield Customer Review (What's this?)
 
Switched dash speakers on 2012 Ram ... Big difference !!!! I finally can hear music from dash
Pros:
Easy install and great quality ... Sounds great
Cons:
None
Was this review helpful?    Yes | No
 
5 out of 5

Great sound and fit!

Written By David, Warrenton, VA on Thursday, May 01, 2014
Crutchfield Customer Review (What's this?)
 
I bought these because one of my front speakers blew in my truck. I was happy with the sound of my Alpine system before one blew, I'm not an expert on speakers, but these speakers definitely made it sound even better. Installation was a snap with the provided gear from Crutchfield. 100% recommended.
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5 out of 5

3-1/2" full range

Written By Majic, Canfield, Oh on Monday, March 31, 2014
Crutchfield Customer Review (What's this?)
 
Perfect fit in the stock location in dash of my Olds G-body.
Pros:
Easy to install into the stock location and great sound quality that compliments my components.
1 out of 1 people found this helpful
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5 out of 5

infinity Reference X REF-3002cfx

Written By Mq, la,ca on Saturday, March 29, 2014
Crutchfield Customer Review (What's this?)
 
great sound
1 out of 2 people found this helpful
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5 out of 5

dash speakers in my ram pick up

Written By daggertats, arden nc on Friday, March 28, 2014
Crutchfield Customer Review (What's this?)
 
recently purchased these to replace the factory speakers in the dash of my 2011 dodge ram. they made a huge difference and i am quite happy with them
Pros:
good price , easy to install, sound great
Cons:
the speaker wire adaptors are very hard to slide onto the speakers.
1 out of 1 people found this helpful
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5 out of 5

Great Items

Written By 2014 Ram 1500 - Dash Great Speakers, Va Beach on Monday, March 03, 2014
Crutchfield Customer Review (What's this?)
 
Very nice speakers for the dash of the 2014 Ram to replace the Alpine system speakers. I recommend changing at least the left and right front dash and rear door speakers with a good 6x9. The front doors are NOT worth replacing since there is almost no improvement from any replacement due to receiver/amp controlled crossovers.
Pros:
Great fit
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5 out of 5

Nice factory replacement.

Written By ET, Red Bank, NJ on Friday, January 17, 2014
Crutchfield Customer Review (What's this?)
 
I installed these in my Ram 1500 dash, replacing the factory speakers. I can actually hear the front speakers now! These little guys cost a little bit more, but it's worth it. Great tweeters and even a little nice soft bass coming from them. Highly recommend.
Pros:
Sound great, nice tweeter and even a little bass.
Cons:
None I can think of.
2 out of 2 people found this helpful
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4 out of 5

Infinity dash upgrade

Written By BillR, Raleigh NC on Sunday, January 12, 2014
Crutchfield Customer Review (What's this?)
 
Very good sound upgrade for price. They need an amp to supplement power from Kenwood receiver. Crutch field adapter kit was perfect for quick install. I will solder the speaker leads when I get more time.
Pros:
Perfect fit for 91 mustang convertible dash
Cons:
I would recommend sound barrier when installing in older model cars.
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5 out of 5

Excellent Dash Speakers

Written By Mark, Middle River, MD on Thursday, December 19, 2013
Crutchfield Customer Review (What's this?)
 
These two way speakers have really opened up the sound stage compared to the factory tweeters in the dash of our 2009 Mazda Cx-9. Installation wasn't bad but sure would've been simpler with a dedicated wiring harness to attach to the factory speaker connectors. Overall these were a good buy and I highly recommend them.
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5 out of 5

A Nice Improvement

Written By zt5159, Tulsa, OK on Saturday, December 14, 2013
 
I installed these in the rear doors of my 2012 Chrysler 300S with the so-called "Beats by Dr Dre" system. I say so-called because the speakers are the exact same ones Chrysler uses in its 2011+ 300/Dodge Charger Alpine audio systems and they are not impressive.

They sound much clearer than the originals and I can even feel a little bass from them! Which is something you do NOT get from the factory 3.5" speakers.

One thing to note is that in the 300 and Charger, these may fit just fine in the dash, but require a little modification to fit in the rear doors. The tabs for the mounting screws are too big, so I had to cut a corner from each one and then they slid into place and bolted down just fine.

I love them! Not quite for the price (for my particular upgrade) but if you can catch them on sale it's worth it. Or if you have a different system than I do, they might be a bigger improvement.
Pros:
Sound quality, bass for their size
Cons:
None yet
2 out of 2 people found this helpful
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5 out of 5

Dashboard speakers

Written By Anonymous, Rochester, MI on Thursday, November 21, 2013
Crutchfield Customer Review (What's this?)
 
Wow. These little guys did make a big difference. Installer was skeptical at fist. But now, I'm front row. The sound is clear w/out the over burden of the volume needing to be raised
Pros:
For the cost it was an unexpected outcome in performance that it delivers. Overly impressed by its highs and clarity
1 out of 1 people found this helpful
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5 out of 5

Infiniti Ref 3002 cfx 3 1/2

Written By Joe, Suwanee GA on Monday, September 16, 2013
Crutchfield Customer Review (What's this?)
 
Best 3 1/2 inch speakers Ive ever had. They give the music more clarity than you could ever imagine in your front speakers. The instruments are clear like they've never been.
Pros:
They're the best 3 1/2 inch speakers Ive ever heard!
Cons:
There aren't any!
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1 out of 5

Not Impressed

Written By Rick, Montana on Friday, August 23, 2013
Crutchfield Customer Review (What's this?)
 
I purchased these for my 89 blazer. Crutchfield says they fit with seperate brackets. They do not fit correctly, the dash metal braces hit the speakers when all is installed. These speakers are a cross between a mid and a tweeter. They try and reproduce mid level bass and high end from the tweeter. The mid sounds like crap even when adjusted crossover, with the mid trying so hard it makes the tweet sound like crap too. Get a combo mid and tweet seperate. You will be much happier.
Pros:
They make noise.
Cons:
The noise sounds like crap!
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4 out of 5

Sweet

Written By SRT_8, Sarye, PA on Sunday, August 11, 2013
Crutchfield Customer Review (What's this?)
 
Great fill in for the dash speakers runs of head you and sounds great, it make the system feel full of sound
Pros:
fits great, sounds great
Cons:
would prefer component but work
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5 out of 5

dash speakers

Written By idc, ny on Saturday, July 13, 2013
Crutchfield Customer Review (What's this?)
 
happy with the purchase. fits as expected.
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5 out of 5

Great speakers for my 2013 Charger

Written By Mary, San Diego, CA on Wednesday, July 10, 2013
Crutchfield Customer Review (What's this?)
 
I replaced the Alpine speakers in the dash of my 2013 SRT Charger with these Infinity's. The difference is like night and day. They sound great and add the clear and crisp high's the factory Alpine's lack. Speakers also add a good amount of lows. All in all an excellent speaker at a good price.
Pros:
Great highs, nice lows.
Cons:
None
1 out of 1 people found this helpful
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5 out of 5

90 Muatang GT

Written By Chuck, Ohio on Thursday, May 16, 2013
Crutchfield Customer Review (What's this?)
 
Sound crisp, & clean. yet powerfull enough to make sure they are heard with the other larger speakers.
Pros:
Easiest to install
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5 out of 5

Great little speakers

Written By OC, Houston, TX on Monday, May 13, 2013
Crutchfield Customer Review (What's this?)
 
Speakers were purchased to replace dash speakers in an FJ Cruiser. They aren't supposed to fit but do with a small adjustment to the inside of the factory grill and placing a new hole for a mounting screw. 10X better response than from the full range speaker from the factory it replaced. Needs decent amount of power so I'll be buying a new Alpine MRX-V70 to allow these to really perform. More sound than you would expect from such a small speaker. Don't look for a 3 1/2" speaker to kick bass. Its a fill speaker
Pros:
Well made, superb sound, very clear highs and mids
Cons:
None
1 out of 1 people found this helpful
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5 out of 5

Infinity Reference X REF-3002cfx - 2012 Charger

Written By TAS, Colorado Springs on Monday, April 15, 2013
Crutchfield Customer Review (What's this?)
 
A great upgrade from the stock speakers! The stock dash speakers in the 2012 Charger were lifeless (base non-Alpine audio package). The Infinity Reference X REF-3002cfx brought out subtle details like whispers, cymbals, and reflected them off the windshield; soundscape expanded nicely. I added the PAC BB-600A2 Bass Blockers (600hz) to protect them. The included speaker wire adaptors worked great. In the right scheme, these speakers are a great supplement to your stereo system.
Pros:
Added accurate higher frequencies, great improvement in vocals, in 2012 Charger took only about 45 min to get a great noticeable upgrade.
Cons:
None
1 out of 1 people found this helpful
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5 out of 5

nice speakers!!!!!

Written By Steve, Anderson, IN on Sunday, February 03, 2013
Crutchfield Customer Review (What's this?)
 
Replaced the dash spaekers in my S10. These sound GREAT!! So much better than the stock ones. Put the matching 6-1/2" ones in the doors. Really nice sound.
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2 out of 5

Not Thrilled

Written By Dissapointed, Joliet, IL on Tuesday, January 15, 2013
Crutchfield Customer Review (What's this?)
 
These were recommended for my car through the Crutchfield fit your car app. The fit was fine but after 3 weeks noticed a popping out of one of the speakers and the sound clarity was not there. Called Crutchfield and asked if the speakers were the right fit and they confirmed but told me since I was out of the return window I was out of luck and to replace the speakers. I happened to purchase another set at the beginning thinking I had 3 speakers in my front dash ( I didn't). I replaced the speakers and still not thrilled with the fidelity of the system. I found that in my car the front factory speakers are 8 ohms not 3 ohms as suggested and now am not sure if this is the wrong selection for my car. Crutchfield told me now to buy the amp upgrade to make it sound good but now I am forced to an upgrade that I was not really looking to do. This was my first experience with Crutchfield and for me they have failed in both the product and the customer support.
Pros:
Good clarity at low volume
5 out of 12 people found this helpful
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3 out of 5

high hopes

Written By ricky, Carol Stream, IL on Thursday, September 06, 2012
Crutchfield Customer Review (What's this?)
 
The speakers appear beautiful. And the infinity brand is strong. But the reality is that they much dont handle much bass. The highs are good mids are good. Use hpass. They are ok. I rely mostly on the sound of my Rockford Fosgate 6x9s. Heavy rear fader bias.
Pros:
Brand.
Cons:
Crackle and pop with any bass.
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5 out of 5

Good punch for their size

Written By ErnieS, Elkhart, IL on Friday, June 08, 2012
Crutchfield Customer Review (What's this?)
 
These little dudes had a nice little punch. I was looking for a bit more so utilized Crutchfield's fantastic exchange policy!
2 out of 2 people found this helpful
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5 out of 5

Infinity Reference X REF-3002cfx

Written By Manny, Bellerose, NY on Thursday, March 29, 2012
Crutchfield Customer Review (What's this?)
 
nice sound, very crisp
1 out of 3 people found this helpful
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5 out of 5

Infinity Reference X REF-3002cfx

Written By Croft, clarkston,MI on Friday, March 23, 2012
 
Amazing speakers. More bass in these 3" speakers than the stock 4" speakers. Less distortion too. But these do fit a 2004 saab 93 if you grind down the inside of the grill. Just grind down the little hexagons. That extra 3/8's of an inch will make it flawless. you cant even tell there in there.
Pros:
great highs and lows. Great sensitivy too
Cons:
a little work to get in there for my certain car
6 out of 7 people found this helpful
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1 question already asked

Hi there, I have two Infinity Reference speakers (3002 cfx). I am building a small portable PA system using Topping TP20-MK2 MKII TA2020 Class T-AMP Digital Mini Amplifier 25WPC or Lepai Tripath LP-2020A+Class-T Hi-Fi Audio Mini Amplifier. Both amplifiers are for 4-8 ohm speakers. The Infinity Reference speakers are 3 ohm speakers. Since I don't intend to install them in the vehicle, which thickness of the wire I should use so that the amplifiers sees actual 4-ohm impedance? The length of the wires are max 120-150 cm (50-60 in). Sorry my English is not my mother language. Kind Regards John [ John  Mar 12, 2014 ]
1 answer
  • I forwarded your question to an Advisor and they responded with the following: We would recommend using 16 gauge speaker wire with those Infinity speakers. If you would like to discuss further you can contact an Advisor directly by phone (1-800-324-9695) or online chat. [ Krissy Staff  Mar 15, 2014 ]

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For a more in-depth review and enhanced detailed information on the Infinity Reference X REF-3002cfx, please visit the Crutchfield website product page (/ISEO-rccbcspd/p_108R3002CX/Infinity-Reference-X-REF-3002cfx.html ).