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JL Audio C2-650X

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

Item # 136C2650X

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About the JL Audio C2-650X

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
  • Our 60-day money-back guarantee
  • 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

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JL Audio C2-650X Reviews

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Crutchfield response

More details on the JL Audio C2-650X

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

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

7 questions already asked

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.
[ hallet333  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 :)
[ Larry  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.
[ Krissy  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.
[ Krissy  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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Play louder with more bass

The JL Audio C5-650x offers these features:
  • better bass response
  • higher power capabilities
  • external 2-way crossovers with 4 tweeter and 3 midrange levels