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JL Audio C1-525x

C1 Series 5-1/4" 2-way car speakers

Item # 13699041

After an extensive tour of JL Audio HQ, I got the opportunity to talk to their engineering and...

Find what Fits your car

After an extensive tour of JL Audio HQ, I got the opportunity to talk to their engineering and...

Item # 13699041

In stock
$89.99 pair

About the JL Audio C1-525x

Starter speakers like no other

After an extensive tour of JL Audio HQ, I got the opportunity to talk to their engineering and development team about the current JL Audio lineup and upcoming projects. Given all the work they're doing with premium car audio, I was surprised by how excited they were for customers to hear their workhorse C1 Series — speakers designed for drivers simply looking for a sensible factory speaker replacement, not necessarily an audiophile-grade solution. The reason for that excitement, once I heard it, made perfect sense — every JL Audio speaker must uphold the quality and sound associated with the name. You may be looking for something that's just listenable, but what you'll get with the C1 Series is an audio experience that puts it at the top of its class. And then, just maybe, you'll end up being a JL Audio fan for life.

Starter speakers like no other

After an extensive tour of JL Audio HQ, I got the opportunity to talk to their engineering and development team about the current JL Audio lineup and upcoming projects. Given all the work they're doing with premium car audio, I was surprised by how excited they were for customers to hear their workhorse C1 Series — speakers designed for drivers simply looking for a sensible factory speaker replacement, not necessarily an audiophile-grade solution. The reason for that excitement, once I heard it, made perfect sense — every JL Audio speaker must uphold the quality and sound associated with the name. You may be looking for something that's just listenable, but what you'll get with the C1 Series is an audio experience that puts it at the top of its class. And then, just maybe, you'll end up being a JL Audio fan for life.

C1-525x

An aluminum edge-driven dome tweeter helps define this C1 speaker's distinctive sound.

What sets C1 apart?

JL Audio designed the C1 Series C1-525x 5-1/4" speakers to be the very best they could be for the price. You'll find solid construction and finish, along with some eye-popping flair in its striking yellow mineral-filled polypropylene woofer. That woofer delivers impactful lows and is specially designed for a natural roll-off transition to the highs handled by the tweeter. And it's the aluminum edge-driven tweeter that gives the C1 Series its distinctive sound, setting it apart from other speakers at this price. You'll hear crisp detail in the high frequencies, incredible imaging, and minimal distortion no matter how you power them.

Why no grilles?

Most folks have no use for aftermarket grilles, opting to use their factory grilles for a streamlined look. With that in mind, JL Audio doesn't include grilles with the C1 Series, opting instead to incorporate those savings into building an all-round better speaker.

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Product highlights:

  • 2-way 5-1/4" speakers (pair)
  • injection-molded mineral-filled polypropylene woofer cone with rubber surround
  • 3/4" aluminum edge-driven dome tweeter
  • handles up to 50 watts RMS (225 watts peak power)
  • frequency response: 54-24,000 Hz
  • sensitivity: 92 dB at 2.83 volts
  • top-mount depth: 2-1/2"
  • grilles not included
  • warranty: 1 year
  • Our 60-day money-back guarantee
  • MFR # 99041

What's in the box:

  • Two 2-way speakers
  • Eight 3/4" Screws (#8)
  • 8 Speed clips
  • Two 0.187" Crimpable female quick slides
  • Two 0.110" Crimpable female quick slides
  • Owner's manual

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JL Audio C1-525x reviews

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76 reviews

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More details on the JL Audio C1-525x

Pat M.

Features & specs

General
Speaker Size 5 1/4
Design 2-way
Tweeter Design 3/4" Edge-Driven Dome
Impedance (Ohms) 4
Tweeter Composition Aluminum
Woofer Composition Mineral-Filled injection-Molde
Woofer Surround Rubber
Parts Warranty 1 Year
Labor Warranty 1 Year
Specifications
Sensitivity (1W at 1 meter) 89
Sensitivity at 2.83 volts 92
Frequency Response 54 - 24k Hz
Minimum RMS Wattage 10
Maximum RMS Wattage 50
Peak Power Handling (Watts) 225
Top-mount Depth (Inches) 2 7/16
Bottom-mount Depth (Inches) N/A
Cutout Diameter or Length (inches) 4 5/8
Mounting Height (Inches) 0.541

Product Research

Features

Woofers: Each JL Audio C1 speaker features a mineral-filled, injection-molded polypropylene woofer cone with a rubber surround.

Tweeters: The 3/4" edge-driven, aluminum dome tweeters are damped by a silk surround suspension.

Power Handling: JL Audio publishes several power specifications for this speaker, 50 watts continuous power handling (RMS), 225 watts peak music power, and 10-75 watts recommended amplifier power (RMS). We've listed the conservative combination of 10-50 watts RMS in the specs table.

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Customer Q&A

13 questions already asked

Q
Can anyone tell me what the difference is in sound or anything else relevant to sound between 5-1/4", 5x7, and 6x8? and which would be best to upgrade from factory speakers in a 2003 Ford Escape -thank y'all
[ Tommy  Sep 16, 2020 ]
1 answer
A
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.
[ Krissy  Oct 06, 2020 ]  Staff
Q
I just upgraded the stock speakers in my truck to these speakers. My head unit is the SONY XAV-AX8000, when at louder volumes the speakers become very fuzzy and there's a lot of vibration, i'm not sure the best way to describe the sound, fuzzy almost, to where i can't even hear the music, what do i need to do to make them clearer at louder volumes?
[ dalton1024  Jun 25, 2020 ]
1 answer
A
If you purchased the product from Crutchfield, feel free to contact our Tech Support team. 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.
[ Krissy  Jul 10, 2020 ]  Staff
Q
How will these speakers fit a honda del sol if the del sol has 6.5" speakers?
[ William  Jun 10, 2020 ]
1 answer
A
Often we can put a smaller speaker in with the addition of a mounting bracket. The website will show you both sizes when you enter your vehicle information. What year is your Del Sol? You can connect with one of our friendly advisors for live advice on which speakers are the best fit for your application: https://www.crutchfield.com/I-rET1c290/S-SUliZgSTXG7/support/ContactUs.aspx
[ Cosmo  Jun 24, 2020 ]  Staff
Q
What model JL amp should I use for 4 of these in my 06 Mini Cooper r50?
[ Minicoopjuice  Nov 13, 2019 ]
2 answers
A
Xd600 or jx400 would be plenty
[ mark  Nov 26, 2019 ]
A
Crutchfield has a JL 4 channel amp for sale $200 JL Audio JX400/4D
[ Lou  Nov 18, 2019 ]
Q
does it come with 2 speakers? one for each side?
[ NATHAN  Jul 11, 2019 ]
2 answers
A
Yes, two speakers, also they are coaxial, a woofer and a tweeter on each speaker.
[ Lou  Jul 19, 2019 ]
A
Hi Nathan! Thanks for your question. The JL Audio C1-525x car speakers, do come as a pair, so you will be getting both speakers.
[ Jess  Jul 18, 2019 ]  Staff
Q
Will this fit in a Dodge ram 2500 in the front and back?
[ Jack  Jun 05, 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.
[ Krissy  Jun 13, 2019 ]  Staff
Q
Will I need a wiring harness for my 2016 Wrangler unlimited or are these plug and play?
[ Michael  May 16, 2019 ]
3 answers
A
If you already have speakers/wire where these are going, you won't need additional wiring. To take full advantage of the speakers power I suggest running an aftermarket amplifier with a clean signal and start with 25-30 watts at 120hz high pass crosser for at least 10-15 hours of play until broken in. Once broken in don't put more than 50 watts 4 ohm into them.
[ jesse james  May 23, 2019 ]
A
In my experience, Crutchfield always includes the appropriate connecting wires and harness for a quick and easy installation. I did not have to do any modification or create any special connections when installing these speakers. Just snap the wires together, match up the screws, reassemble the interior cover panels and fire up the stereo for improved sound! Enjoy!
[ DERIN S  May 23, 2019 ]
A
I did not need a wiring harness when I installed these in my 2000 Pontiac Grand Prix GT. They do come with a wiring adapter that can be used to mate them to your existing wiring if needed.
[ Charles  May 23, 2019 ]
Q
How is this one compared to the 570x?
[ Brady  Mar 01, 2019 ]
1 answer
A
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.
[ Krissy  Mar 05, 2019 ]  Staff
Q
Will these fit the front doors of a 2005 Subaru Legacy GT LTD wagon?
[ Dino  Jun 29, 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.
[ Krissy  Jul 03, 2018 ]  Staff
Q
Does these come with speaker grills?
[ Scott  Apr 17, 2018 ]
3 answers
A
no
[ Jamison  May 22, 2018 ]
A
Yea
[ brendan  Apr 17, 2018 ]
A
No, they do not.
[ NATALIE V  Apr 17, 2018 ]
Q
Will these fit if I make a spacer ring to move them out? Or will the tweeter then hit the factory grill on the door panel? Thanks. 99 jeep cherokee xj.
[ Paul  Oct 10, 2017 ]
2 answers
A
You will want to contact an Advisor by phone (1-800-324-9695) or online chat to discuss compatibility with your specific vehicle. They can go over the research for your Cherokee in greater detail with you to explore all options for installation. Thanks!
[ Larry  Oct 15, 2017 ]  Staff
A
I have no idea, I installed these in a 95 grand Cherokee, front door, with the adapter for the 3 screw setup, fit no problemEnter
[ william  Oct 10, 2017 ]
Q
can these fit in the front doors on my 2010 mazda 3?
[ Joseph  Oct 02, 2017 ]
1 answer
A
Possibly, but we'll need more info on your 2010 Mazda 3 to confirm. For details on installation in your vehicle, please contact an Advisor by phone (1-800-324-9695) or online chat. They'll be able to pull up all the information about speaker replacement to ensure the speakers will fit and work as you hope. Thanks!
[ Larry  Oct 03, 2017 ]  Staff
Q
Would I need an amp to run these in a jeep wrangler?
[ Mikey  Aug 31, 2017 ]
4 answers
A
If you like soft music and never have a desire to jam out then sure you dont need an amp. These are made to "fit" into most OEM existing speaker placements. That does not mean they are made to not require an amp. So unless your head unit is pushing 50x4 RMS (its not) then i suggest an amp. I am using the alpine F300 and it makes them sound amazing.
[ ChrisP  May 11, 2018 ]
A
No you won't need an amp. They are designed to take place of your stock speakers.
[ Issac  Aug 31, 2017 ]
A
Depending on the head unit (radio). Call the dealer or a Google search to find out power and resistance coming from radio. These are pretty efficient (plenty of volume per watts input). If the factory is 6 ohm, these will be louder. The short answer...these should be a good choice for factory replacement, but an amp always makes things better.
[ Mark  Aug 31, 2017 ]
A
I put these in my 2017 Jeep Wrangler unlimited sound bar and they sound great without amp. I also have a touch screen CarPlay KENWOOD I upgraded to power it.
[ Douglas  Aug 31, 2017 ]
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JL Audio C2-525X
Evolution™ C2 Series 5-1/4" 2-way car speakers
In stock
63 reviews
$199.99 pair
Add to cart

Step up to silk dome tweeters

The JL Audio C2-525X offers these features:
  • 3/4" silk dome tweeter
  • injection-molded mica-filled polypropylene woofer with butyl rubber surround
  • handles up to 60 watts RMS (225 watts peak power)
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