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Focal ICU 100

Universal Integration Series 4" 2-way car speakers

Item # 091ICU100

You're ready: to do away with unbearable factory sound and to gain a totally authentic experience listening to...

Find what Fits your vehicle

You're ready: to do away with unbearable factory sound and to gain a totally authentic experience listening to...

Item # 091ICU100

In stock

Deeply discounted installation gear

$179.99 pair

Other options

Audition speakers online

Compare different models with just a pair of headphones.

Free custom vehicle instructions

Installation help for your car, from our experts.

We'll do the wiring for you

ReadyHarnessTM lets you get on with the fun part of your car stereo installation.

About the Focal ICU 100

Upgrade in style

You're ready: to do away with unbearable factory sound and to gain a totally authentic experience listening to music in the car. With Focal's Universal Integration Series speakers installed in your car, a new era has begun — one in which it's easy to enjoy every moment of your drive. Focal provides such a dramatic boost in sound quality by applying much of the same technology in these car speakers that they use in their studio and audiophile-grade home systems.

Upgrade in style

You're ready: to do away with unbearable factory sound and to gain a totally authentic experience listening to music in the car. With Focal's Universal Integration Series speakers installed in your car, a new era has begun — one in which it's easy to enjoy every moment of your drive. Focal provides such a dramatic boost in sound quality by applying much of the same technology in these car speakers that they use in their studio and audiophile-grade home systems.

Superior materials and design

Focal's ICU 100 4" 2-way car speakers employ a polyglass woofer cone to give you a warm, natural sound with enhanced strength for accurate playback with no added resonances. An aluminum/magnesium inverted dome tweeter, backed by a built-in crossover, delivers astonishing detail in the high range and integrates an acoustic horn design for an improved soundstage across your dash. Focal also gives you two levels of tweeter adjustment so that you can adjust for poor factory speaker placement. 

High sensitivity design

Planning to drive these speakers off a head unit? No problem. They're designed to take advantage of every bit of power supplied to give you the best audio quality possible. However, Focal's famous sound soars when powered by an aftermarket amp!

Grilles are not included; the factory grilles should be suitable for most applications.

READ LESS

Product highlights:

  • Featured in our article: Best car speakers for 2023
  • 2-way 4" speakers (pair)
  • polyglass woofer with butyl rubber surround
  • aluminum/magnesium inverted dome tweeter with acoustic horn design
  • built-in crossover
  • selectable tweeter level (0, +3 dB)
  • 4-ohm impedance
  • handles up to 40 watts RMS power range (80 watts peak)
  • frequency response: 100-21,000 Hz
  • sensitivity: 90.3 dB
  • top-mount depth: 1-15/16"
  • grilles not included
  • warranty: 1 year
  • Our 60-day money-back guarantee
  • MFR # FOCAL ICU100

What's in the box:

  • Two 2-way speakers
  • 2 Mounting gaskets
  • 8 Speed clips
  • Eight 1" Self-tapping screws
  • User manual (English/ French/ German/ Italian/ Spanish/ Portuguese/ Dutch/ Russian/ Polish/ Arabic)
  • Focal window sticker

Customer reviews

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Focal ICU 100 reviews

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14 reviews

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Crutchfield response

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More details on the Focal ICU 100

Pat M.

Features & specs

General
Speaker Size 4
Design 2-way
Tweeter Design Inverted Dome
Impedance (Ohms) 4
Tweeter Composition Aluminum/Magnesium
Woofer Composition Polyglass
Woofer Surround Butyl Rubber
Parts Warranty 1 Year
Labor Warranty 1 Year
Specifications
Sensitivity (1W at 1 meter) N/A
Sensitivity at 2.83 volts 90.3
Frequency Response 100 - 21k Hz
Minimum RMS Wattage ---
Maximum RMS Wattage 40
Peak Power Handling (Watts) 80
Top-mount Depth (Inches) 2
Bottom-mount Depth (Inches) 2 3/16
Cutout Diameter or Length (inches) 3 5/8
Mounting Height (Inches) 0.64
The Focal ICU 100 replaces these items:

Product Research

Features

Polyglass Cone: The woofer cone has a cellulose pulp base and is coated with a uniform deposit of hollow glass microballs. The addition of the Polyglass layer significantly increases the cone's rigidity without adding much weight. This combination takes advantage of the accuracy and neutrality of the hard outer surface, but maintains the superior damping characteristics of the cellulose pulp.

Surround: The butyl rubber surround is resistant to ultraviolet rays, temperature extremes, and humidity to add to the speaker's reliability and longevity.

Inverted Dome Tweeter: The tweeter is an inverted Aluminum/Magnesium dome, producing a broad sound stage. A switch on the tweeter allows adjustment of the tweeter output; choose flat or +3 dB.

4/2 Hole Compatibility: Most 4" factory speakers use four mounting screws, however, in some vehicles, only two are used. The ICU 100's mounting tabs can be removed, allowing installation in 4-hole or 2-hole applications. Care should be taken handling the speaker after any tabs are removed because the broken edges may be sharp. Please enter your vehicle information to confirm fit.

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Customer Q&A

4 questions already asked

Q
are they 40 watts rms each or total for both together?
[ Brandi  Aug 15, 2022 ]
1 answer
A
Each speaker in this set is rated for 40 watts RMS.
[ Nemo  Aug 15, 2022 ]  Staff
Q
Are grill covers available for these speakers? I am looking at putting these in a speaker pod
[ Waz man  Feb 20, 2022 ]
1 answer
A
I'm not finding any available. Due to the size and design where the tweeter already has what looks like a grille.
[ Kenny  Feb 23, 2022 ]  Staff
Q
will these fit an 83 mercedes w123 ?
[ michael  Sep 05, 2021 ]
1 answer
A
You can check to see if this will fit your vehicle by using our Outfit My Car tool: http://www.crutchfield.com/car/carselector.aspx For additional details on fit or installation please contact an Advisor by phone (1-800-324-9695) or online chat. They will be able to pull up your vehicle and give you the details on if this will fit and what you will need for an installation in your vehicle.
[ Kenny  Sep 08, 2021 ]  Staff
Q
My wife just bought this for my motorcycle are this speakers waterproof?
[ David  Aug 28, 2020 ]
1 answer
A
No, these speakers are for automotive interior use. They aren't designed for motorcycle use.
[ Justin  Aug 28, 2020 ]

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