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JL Audio C2-525X Evolution™ C2 Series 5-1/4" 2-way car speakers

Item # 136C2525X

Find what Fits your vehicle


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11 questions - 15 answers

Item # 136C2525X

Low stock

Deeply discounted installation gear

$249.99 -$41.00 Outlet savings
$208.99 pair

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About the JL Audio C2-525X

Buck Pomerantz

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 C2-525X 5-1/4" speakers feature rugged polypropylene cones with rubber surrounds that can handle high power without distortion, so you get full-bodied low tones you can really feel. 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 make sure your tunes play smoothly across the whole musical spectrum. JL Audio includes a pair of grilles that you can use for custom installations.

Priced per pair

Product highlights:

  • 2-way 5-1/4" speakers (pair)
  • injection-molded mica-filled polypropylene woofer with butyl rubber surround
  • 3/4" silk dome tweeter
  • built-in crossover network
  • 4-ohm impedance
  • handles up to 60 watts RMS (225 watts peak power)
  • frequency response: 63-22,000 Hz
  • sensitivity: 89 dB
  • depth: 2-1/2"
  • grilles included
  • warranty: 1 year
  • MFR # 99613

What's in the box:

  • Two 5-1/4" 2-way speakers
  • 2 Grilles
  • 8 Self-tapping screws (#8 x 1-3/16")
  • 8 Speed clips
  • 2 Crimpable female quick slides (0.205"/5.2mm)
  • 2 Crimpable female quick slides (0.11"/2.8mm)
  • 2 JL Audio logo grille badges
  • Owner's Manual
  • Paper template

Scratch & Dent items may be missing non-essential accessories. In some cases the manufacturer's accessories have been replaced with generic equivalents.

See the difference between "Open Box" and "Scratch & Dent" Outlet items

Customer reviews for JL Audio C2-525X

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4.5 out of 5 stars
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More details on the JL Audio C2-525X

Pat M.

Features & specs

Speaker Size 5 1/4
Design 2-way
Tweeter Design Dome
Impedance (Ohms) 4
Tweeter Composition Silk
Woofer Composition Mica-filled Polypropylene
Woofer Surround Butyl rubber
Parts Warranty 1 Year
Labor Warranty 1 Year
Sensitivity (1W at 1 meter) 89
Sensitivity at 2.83 volts 92
Frequency Response 63 - 22k Hz
Minimum RMS Wattage 15
Maximum RMS Wattage 60
Peak Power Handling (Watts) 225
Top-mount Depth (Inches) 2 1/2
Bottom-mount Depth (Inches) N/A
Cutout Diameter or Length (inches) 4 5/8
Mounting Height (Inches) 0.495
Frame Width 5.196
Frame Length 5.196

Product Research


Woofers: The JL Audio Evolution C2-525x coaxial speakers feature a 5¼" injection-molded, mica-filled polypropylene cone woofer with a butyl rubber surround. The woofer has a 1" 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 adequate bass, thanks to its ample mechanical clearance, optimized suspension and balanced motor design.

Tweeters: Each coaxial speaker 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.

Grilles: Front-loading protective grilles are included, with black steel mesh and satin silver accents. Electroformed logo nameplates can be positioned on the grilles or elsewhere in the vehicle, according to the needs of the installation.

Power Handling: JL Audio publishes several power specifications for this speaker, 60 watts continuous power handling (RMS), 225 watts peak music power, and 15-100 watts recommended amplifier power (RMS). We've listed the conservative combination of 15-60 watts RMS in the specs table.

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Customer Q&A

11 questions already asked

I plan on putting 2 good speakers in doors of my 2000 Ford ranger and some bass tubes behind my seats. So I??????m looking for the best for high and mid range sounds, are these what I should consider? C2 525x?
tim  Sep 12, 2021
1 answer
Thanks for your question. For information on comparing two or more models I would recommend reaching out to an Advisor by phone (1-800-324-9695) or online chat. They will be able to help determine the differences and help you make the best choice for your system and your budget.
kenneth  Sep 13, 2021 (Staff)
Can I purchase the grill covers for these?
nathan  Feb 05, 2021
1 answer
Unfortunately we don't carry any grille covers for these speakers.
allison  Feb 23, 2021 (Staff)
Would 20rms/80 peak watts from stereo be enough for good clean sound? I???m not trying to enter a competition I just want some good sound.
shifter88  Jun 23, 2020
2 answers
That amount of power would be good for a moderate level of sound, I???ve found these speakers live up to their potential while being amplified. But for day to day listening, the stock power coming from an aftermarket head unit should work just fine for you.
kyle  Jun 26, 2020
They are an excellent sounding speaker. I put a set in our Semi, and the sound is nice and clear.
ryan  Jun 24, 2020
Would 20 rms/ 80 peak watts from the stereo be enough for good sound? I???m not trying to enter a competition just want a good clean sound.
shifter88  Jun 23, 2020
3 answers
If you???re a true audiophile then no. If you don???t mind tweaking the head units eq until it sounds perfect to you then yes. I run an amp to my subs and nothing to my component speakers. I did swap my door speakers for some aftermarket speakers and it made a world of difference still powered only by the head unit. I suggest looking for one of the packages crutchfield has. Upgrade till it sounds good to you then go one more upgrade.
jordan  Jun 24, 2020
I used these with a Kenwood base that was 75 rpm max. I have had great sound ever since, and I didn't break the bank to get great tunes out of there speakers.
john  Jun 24, 2020
Would be a great touch and cleaner sound for what you're looking for
jared  Jun 24, 2020
Are thise water resistance?
cisco  Mar 23, 2019
1 answer
Hi, I would say they are moisture resistant due to the poly construction. If you want a good water resistant speaker I would go with the marine application. Either one will not disappoint . I put the set you are asking about in the doors on a GMC truck. But I also have a set of the marine speaker in my motorcycle fairing. Both the same size. Also the folks at Crutchfield won't steer you wrong. Good listening Brian
brian  Apr 03, 2019
Will this fit 2002 Harley fairing?
sanford  Mar 21, 2018
1 answer
You'll find the speaker's mounting dimensions by clicking the "Details" tab on their main webpage. For additional assistance and personalized recommendations, feel free to contact us directly by phone or through our online chat service:
ryan  Apr 04, 2018 (Staff)
I want to fit these in the rear deck of my 1993 SC400. I would have to make a new base to to bolt down for OEM placement. What diameter does the hole for the new base be for these to drop flush?
mark  Jan 13, 2015
1 answer
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.
kristina  Jan 16, 2015 (Staff)

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