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JL Audio C2-350x Evolution™ C2 Series 3-1/2" 2-way car speakers

Item # 136C2350X

The C2-350X 3-1/2" speakers feature rugged polypropylene cones that can handle plenty of power without...

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The C2-350X 3-1/2" speakers feature rugged polypropylene cones that can handle plenty of power without...

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13 questions - 15 answers

Item # 136C2350X

In stock

Deeply discounted installation gear

$159.99 -$10.00 Price break
$149.99 pair

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About the JL Audio C2-350x

Buck Pomerantz

JL Audio's Evolution C2 Series speakers

The C2-350X 3-1/2" speakers feature rugged polypropylene cones that can handle plenty of power without distortion, so you get full-bodied tones. The 3/4" silk dome tweeters serve up smooth-sounding high frequencies that won't tax your ears, adding a satisfying dose of realism to your soundstage. Built-in crossovers ensure that the tweeters and woofers reproduce only the frequencies that they were designed to handle, so your tunes play smoothly across the whole musical spectrum.

JL Audio's Evolution C2 Series speakers

Side view of Evolution C2 speaker JL Audio's Evolution C2 Series speakers bring precision sound to your vehicle. They'll reproduce subtle elements of your music like delicate woodwinds or soprano vocals, then turn on a dime to deliver the deep thrum of the bass or thunder of the drums.


Silk tweeter delivers smooth highs

Silk tweeter

The C2-350X 3-1/2" speakers feature rugged polypropylene cones that can handle plenty of power without distortion, so you get full-bodied tones. The 3/4" silk dome tweeters serve up smooth-sounding high frequencies that won't tax your ears, adding a satisfying dose of realism to your soundstage. Built-in crossovers ensure that the tweeters and woofers reproduce only the frequencies that they were designed to handle, so your tunes play smoothly across the whole musical spectrum.

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

Priced per pair

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Product highlights:

  • 2-way 3-1/2" speakers (pair)
  • injection-molded mica-filled polypropylene woofer with polyether foam surround
  • 3/4" silk dome tweeter
  • built-in crossover network
  • 4-ohm impedance
  • handles up to 25 watts RMS (75 watts peak power)
  • frequency response: 130-22,000 Hz
  • sensitivity: 83 dB
  • depth: 1-9/16"
  • grilles not included
  • warranty: 1 year
  • MFR # 99611

What's in the box:

  • Two 3-1/2" 2-way speakers
  • 4 Self-tapping screws (#8 x 1")
  • 4 Speed clips
  • Two crimpable female quick slides (0.205"/5.2mm)
  • Two crimpable female quick slides (0.11"/2.8mm)
  • Owner's Manual

Customer reviews for JL Audio C2-350x

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4.5 out of 5 stars
117 reviews

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More details on the JL Audio C2-350x

Pat M.

Features & specs

General
Speaker Size 3 1/2
Design 2-way
Tweeter Design Dome
Impedance (Ohms) 4
Tweeter Composition Silk
Woofer Composition Mica-filled Polypropylene
Woofer Surround Polyether Foam
Parts Warranty 1 Year
Labor Warranty 1 Year
Specifications
Sensitivity (1W at 1 meter) 83
Sensitivity at 2.83 volts 86
Frequency Response 130 - 22k Hz
Minimum RMS Wattage 10
Maximum RMS Wattage 25
Peak Power Handling (Watts) 75
Top-mount Depth (Inches) 1 9/16
Bottom-mount Depth (Inches) 1 11/16
Cutout Diameter or Length (inches) 3 3/16
Mounting Height (Inches) 0.562
Frame Width 3.45
Frame Length 3.45

Product Research

Features

Woofers: The JL Audio Evolution C2-350x coaxial speakers feature a 3½ injection-molded, mica-filled polypropylene cone woofer with a polyether foam surround. The woofer features a 0.75" voice coil on a Kapton Former, a symmetrical roll spider and a Ferrite magnet. These carefully engineered cones deliver the right combination of stiffness, damping, and off-axis response. The speaker also provides good mid-bass (by 3½ standards), thanks to its mechanical clearance, optimized suspension and balanced motor design.

Tweeters: Each C2-350x features a ¾" silk dome, ferrofluid-cooled tweeter with a damping neodymium magnet. The edge-driven silk dome tweeter is smooth, detailed (on or off axis), and provides great overall performance. Silk is lightweight and great for high frequency extension and efficiency. It is also designed for durability in the extreme automotive environment.

Power Handling: JL Audio publishes several power specifications for this speaker, 25 watts continuous power handling (RMS), 75 watts peak music power, and 10-40 watts recommended amplifier power (RMS). We've listed the conservative combination of 10-25 watts RMS in the specs table.

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Customer Q&A

13 questions already asked

Q
What is the minimum distance between mounting holes?
tim  Jan 07, 2024
1 answer
A
Greetings Tim. Thank you for your question. the screw hole range is 3.701-4.380 inches on the C2 350x.
hogan  Jan 07, 2024 (Staff)
Q
Will these fit in soundbar of a 2019 wrangler with upgraded Alpine stereo system?
douglas  Jul 06, 2023
1 answer
A
Unfortunately, these are too tall to fit under the factory speaker grilles.
zachary  Jul 06, 2023 (Staff)
Q
Will these fit/install in center dash 2017 ram 1500 quad cab Alpine system?
brian  Jul 01, 2023
1 answer
A
These JL Audio C2-350X are not a fit sadly, Brian. The Hertz DCX Dieci 3 1/2" speakers in the first link below are a great fit in a 2-way coaxial, and so are the JBL Staduim in the second link in a midrange. You would have to consider mounting the crossover too inside the dash. Both sound great! https://www.crutchfield.com/p_301DCX873/Hertz-DCX-87-3.html https://www.crutchfield.com/p_109STAD22S/JBL-Stadium-22S.html
bo  Jul 01, 2023 (Staff)
Q
Will this fit in my 2011 ford f150 fx4?
kyle  Feb 14, 2023
1 answer
A
Greetings Kyle, and thank you for your question. I'm guessing you wanted to put these in the center of your dash. They are too deep, and the magnet is too big. We really do not have an easy replacement for the center dash on your 2011 F150.
hogan  Feb 14, 2023 (Staff)
Q
Will this fit in my 2011 ford f150 fx4?
kyle  Feb 14, 2023
1 answer
A
These JL speakers would not directly fit without modifications in the center dash because of the depth, magnet diameter, and mounting height restrictions.
arielle  Feb 14, 2023 (Staff)
Q
Are the C2 line speakers waterproof or water resistant?
mike  Oct 09, 2021
1 answer
A
These speakers are not water resistant or water proof. We carry marine grade speakers which are the ones that have some sort of water resistance to them. You can find our marine speakers here: https://www.crutchfield.com/g_228350/Marine-Speakers.html
jason  Oct 16, 2021 (Staff)
Q
Do these speakers have a capacitor? can I run these speakers full range, want to run them inline with a full range 6x9 on same channel. Thanks
derreck  Jul 01, 2021
1 answer
A
For your scenario, I would recommend adding a high-pass filter, something like this: https://www.crutchfield.com/p_007BB150/Crutchfield-Bass-Blockers-150-Hz-cut-off.html These are coax speakers which include a passive crossover, but as far as I know the lower drivers are only fed from the low-pass circuit, i.e. no additional high-pass for the lower driver.
charles  Jul 02, 2021
Q
These sound great, but are much too loud in comparison to the other speakers. It seems like my options are add an amp, get L-pad, or resistor. Any other ways to lower volume of just these speakers?
jacob  Mar 08, 2021
1 answer
A
If you purchased the product from Crutchfield, feel free to contact our Tech Support team. They can walk you through the settings on the product and see if there may be a fix. Our toll-free Tech Support number is printed on your invoice, and is also available under the "My Orders" tab in the "My Account" section of our website. If you did not purchase the unit from Crutchfield, then you may want to contact the manufacturer.
kristina  Mar 22, 2021 (Staff)
Q
Will they fit in the dash of a 86 Chevy C10?
jimmy  Dec 21, 2020
2 answers
A
We installed them in my sons 86 K10 pickup with factory AC duct work. I think they'll fit great for you. Blake
blake  Dec 29, 2020
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.
kristina  Dec 29, 2020 (Staff)
Q
Will this fit into a Subaru Legacy premium 2017?
michael  Oct 01, 2019
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.
kristina  Oct 11, 2019 (Staff)
Q
I replaced my door & dash speakers with JL Audio & used these C2-350x for the dash. Now i have a blown dash speaker. Wanting to order another set, but should i be using base blockers for the 3.5" dash speakers & if so what kind/size/etc... is there a plug and play bass blocker that csn be used with the metra speaker wire harness?
curtis  Jul 09, 2018
1 answer
A
If the stereo you're using does not have the ability to high-pass the signal for the 3.5", yes; adding bass blockers is definitely recommended (not just for these JL; for any 3.5"): www.crutchfield.com/p_007BB600/item.html The bass blockers have pre-attached male & female quick slides that should make connection to the speaker and aftermarket harness very easy.
ryan  Jul 19, 2018 (Staff)
Q
I have a Chrysler 2015 200s...I want to put the jl audio 3.5 speakers in my rear door will they fit c2 350x?
bryan  Apr 23, 2018
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.
kristina  May 02, 2018 (Staff)
Q
What are the dimensions of these speakers in comparison to the original. Many speakers claim to fit and then needs some grinding of the speakers to fit. Looking at replacement for 1983 Mercedes 380sl?
david  May 23, 2015
2 answers
A
Mine fit in the factory screw holes but I ended up using the mounting brackets provided for a more snug fit. This is for he front dash of a 1984 turbocoupe
alessandro  May 24, 2015
A
For 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.
jeff  May 24, 2015 (Staff)
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