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JL Audio C2-650X

Evolution™ C2 Series 6-1/2" 2-way car speakers

Item # 136C2650X

Find what Fits your vehicle


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17 questions - 22 answers

Item # 136C2650X

In stock

Deeply discounted installation gear

$279.99 -$30.00 Price break

$249.99 pair

Other options

Hands-on research

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Since 1974

Years of experience making people happy.

Car-specific installation packages

Deep discounts on the essential accessories that help your new gear work with your car.

About the JL Audio C2-650X

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 C2-650X 6-1/2" speakers feature rugged polypropylene cones 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 for custom installations.

Priced per pair

Product highlights:

  • 2-way 6-1/2" 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: 59-22,000 Hz
  • sensitivity: 91 dB
  • depth: 2-9/16"
  • grilles included
  • warranty: 1 year
  • MFR # 99618

What's in the box:

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

Customer reviews for JL Audio C2-650X

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4.5 out of 5 stars
169 reviews

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More details on the JL Audio C2-650X

Pat M.

Features & specs

Speaker Size 6 1/2
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) 91
Sensitivity at 2.83 volts 94
Frequency Response 59 - 22k Hz
Minimum RMS Wattage 15
Maximum RMS Wattage 60
Peak Power Handling (Watts) 225
Top-mount Depth (Inches) 2 9/16
Bottom-mount Depth (Inches) N/A
Cutout Diameter or Length (inches) 5 5/8
Mounting Height (Inches) 0.436

Product Research


Woofers: The JL Audio Evolution C2-650x coaxial speakers feature injection-molded, mica-filled polypropylene woofer cones with a butyl rubber surround. Each woofer has a 1" voice coil on a Kapton Former, a symmetrical roll spider and a Ferrite magnet.

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.

Size Classification Note: Some manufacturers, including JL Audio, call this size speaker a 6½". Because it requires a larger cutout than a standard 6½" speaker, Crutchfield has traditionally referred to this size as 6¾". Please enter your vehicle information to confirm fit.

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

17 questions already asked

do i have to use an amp?
glang  Feb 27, 2023
1 answer
It would generally not be necessary to use an aftermarket amplifier with these speakers. However, using an aftermarket amplifier helps to provide better sound with most any aftermarket speaker. Also, in some situations, and aftermarket amplifier may be necessary due to other factors, such as vehicle speaker compatibility. For in depth help with this project, please reach out to our advisors via online chat or phone at 1-800-324-9695.
zachary  Feb 27, 2023 (Staff)
What amp will I need for 4 of these speakers?
mark  Jan 04, 2022
1 answer
Thanks for your question. For information on selecting the best amp 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 between the amp models and help you make the best choice for your system.
kenneth  Jan 05, 2022 (Staff)
What type of amp goes with these speakers? 500 watt? 250 or 1000?
vanessa  Sep 14, 2021
1 answer
These are small, full range speakers, not subwoofers. A multi channel amp around 75 watts will do the trick.
joseph  Sep 14, 2021
can this fit in a 2007 honda accord?
eli  Jul 20, 2021
1 answer
You can check to see if this will fit your vehicle by using our Outfit My Car tool: 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.
kenneth  Jul 26, 2021 (Staff)
Will this fit a versa sl without modification,if not what do you recommend?
michael  Apr 30, 2021
1 answer
These Focal speakers are recommended for your front door and have a larger cut out diameter and deeper mounting depth than the JL's, so I would say yes.
lorenzo  Mar 03, 2022
Will these fit in a 2017 Malibu front door or back door ?
william  Mar 17, 2021
1 answer
You can check to see if this will fit your vehicle by using our Outfit My Car tool: 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  Mar 30, 2021 (Staff)
Would this speaker fit in my 2017 Toyota Sienna on the rear cargo?
abdulahi  Oct 03, 2020
1 answer
Yes it will fit. Great speakers too. I have them in my Toyota Tacoma double cab.
andrew  Oct 03, 2020
How can i make these speakers fit my 05 Tahoe? And also why wouldnt they fit according to your site?
eric  Jan 28, 2020
1 answer
Depending on where you want to install them and the version of the system in your Tahoe, it could be just a cutout diameter issue, mounting height issue, or just not enough room where the speaker mounts. I recommend contacting an advisor on 1-800-324-9695 to discuss this and what is needed to make them fit
jason  Feb 11, 2020 (Staff)
I put these in my 2007 DTS and they sound weak. My stock ones are much louder and have way more bass. I have to have the radio up all the way just to get them to have any power going to them. AT half volume my stock ones where much much louder and this is with non-Bose system. What is up with that I mean the JL magnet is 3x the size of the stock paper ones but sounds much worse,.What gives?
shant1  Dec 23, 2019
2 answers
Hi, thank you for your question. While these speakers do have a high sensitivity rating, and can be powered with a factory head unit, they will be best paired with an amplifier. Adding an amp will give you more power, which will in turn result in fuller sound at lower volume levels, and allow the speaker to function more efficiently. These speakers are not a very bass-heavy speaker, but adding an amp will open their abilities, and provide you with a more dynamic sound quality and more precise frequency. Please chat with us online or by phone at 1-800-324-9695. A member of our Advisor team will be happy to help you choose the best amplifier for your setup.
jessica  Jan 05, 2020 (Staff)
Without an amplifier any speaker designed for higher watt load is going to be lower volume than the stock speaker. You're not supplying enough power to move the larger magnet as far as the tiny one can move with the same power.
brian  Jan 03, 2020
Do you sell just the covers ?
billy  Sep 13, 2019
1 answer
We do not sell the grilles for these speakers by themselves. You might try reaching out to JL Audio's support using 954-624-0113 to see if they can supply them to you.
jason  Oct 09, 2019 (Staff)
Want to install in a 2015 Silverado Crew Cab without Bose, will these make any noticeable difference?
mychael  Mar 03, 2019
1 answer
Installed this in my 2015 Tacoma in the front and back doors. The difference is night and day from the highs to surprisingly impressive lows. I will say I paired with a Sony XAV-AX100 head unit which gave it some new life also but would highly recommend these jl's, they're the next best thing without upgrading to components and an amp. Hope this helps!
stephen  Mar 04, 2019
What front door speakers will be compatible with the 2014 Mazda3 GT (Bose System)? I've been reading a lot online saying it's very specific and difficult to swap the front door speakers in the setup, but my front left one is rattling like crazy. Any help would be much appreciated! Thank you.
ben  Jul 17, 2018
1 answer
You will want to contact an Advisor by phone (1-800-324-9695) or online chat to discuss compatibility with your factory system. They will be able to pull up research on your '14 Mazda and see which speakers will fit & work correctly with the stock Bose system. Thanks :)
david  Jul 21, 2018 (Staff)
Would these fit for 2017 subaru wrx including front and rear door speakers? Also, does alpine ktp-455u amp enough to power both 4 speakers?
roy  Mar 06, 2018
1 answer
You can check to see if this will fit your vehicle by using our Outfit My Car tool: 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  Mar 15, 2018 (Staff)
I have a 2017 Accord Touring. Am I going to see a difference by just changing out the rear deck speakers and using the factory amp?
gwhite  Oct 25, 2017
2 answers
This question is always subjective at best and really hinges off on how and what one hears. I have installed two pairs of these, one in my 2016 Silverado and one pair in my 2014 Indian Chieftan, and without fail I do hear a difference. The clarity at all volume levels is cleaner than my factory speakers and on the bike, the point at which the speakers distort is higher. Bass, while not as strong as some would like is solid, but where they excel is in the highs which are not as "tinny" sounding as in the factory speakers. Prior to these, I always opted for Infinity Kappas or Polk Audio but once I listened to these I was sold. They have now become my go-to speaker and amp of choice. Hope that helps.
garry  Oct 26, 2017
Yes !! All I did was upgrade rear speakers in my truck notices substantial difference. For the better
ricardo  Oct 25, 2017
I was looking at these to replace the four door speakers in my 2016 Kia Forte. Will there be much of an improvement if I decide to NOT install an amp?
eric  May 02, 2017
3 answers
I hooked mine up to an amp but i'm sure they'd be an improvement either way.
rodney  May 04, 2017
I Think there is always an improvement with aftermarket speakers over stock in any of the applications I have installed. I installed an Alpine amp with these speakers and it sounds great; much better then stock
michael  May 03, 2017
There may be a little bit of an improvement but these speakers really come alive when using anow amp. I hope that helps!
donald r  May 03, 2017
Will these fit in a 2014 Honda ridgeline front and rear door speakers?
bill  Mar 23, 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  Mar 23, 2015 (Staff)
What kind of bracket is it? What's the size?
jason  May 16, 2014
2 answers
All plastic one size fits all bracket. Two sets of spots to screw in speakers depending on which size you get. What I didn't like was for the smaller size it had metal clips to screw through to reinforce the holes but for the larger size there were slots instead of holes and no metal reinforcements for them. Seemed not the best but was free. I plan to reinforce the screws more with some epoxy next time I open my doors to put in dynamat.
john  May 18, 2014
Hi! I'm not really sure what you are asking. I will be glad to help. What bracket are you referring to? And the what size are you referring to? I out these in a jeep wrangler and used the existing holes and made new ones. Maybe a little more custom than you might want to do. Ask me anything and I will try to answe the best way I know how!
branson  May 17, 2014

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