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JL Audio C2650

Evolution™ C2 Series 6-1/2" component speaker system

Item # 136C2650

The C2-650 component system features 6-1/2" woofers with rugged polypropylene cones that can handle high power...

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The C2-650 component system features 6-1/2" woofers with rugged polypropylene cones that can handle high power...

Item # 136C2650

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About the JL Audio C2650

Buck Pomerantz

JL Audio's Evolution C2 Series speakers

The C2-650 component system features 6-1/2" woofers with rugged polypropylene cones that can handle high power without distortion, so you get full-bodied low tones you can really feel. The separate 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.

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

The C2-650 component system features 6-1/2" woofers with rugged polypropylene cones that can handle high power without distortion, so you get full-bodied low tones you can really feel. The separate 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.

Outboard crossovers

JL Audio includes surface- and flush-mount hardware so you'll be able to install the tweeters in the best possible location in your vehicle. External crossovers, featuring 3-level tweeter control, make sure your tunes play smoothly across the whole musical spectrum.

Installation note: You'll need a pair of our universal backstraps to install the tweeters in the factory locations.


Product highlights:

  • component speaker system includes 2 woofers, 2 tweeters, and 2 crossovers
  • 6-1/2" injection-molded mica-filled polypropylene woofer with butyl rubber surround
  • 3/4" silk dome tweeter
  • external crossover network with 3 tweeter levels (0, -2, +2 dB)
  • 4-ohm impedance
  • handles up to 60 watts RMS (225 watts peak power)
  • frequency response: 59-22,000 Hz
  • sensitivity: 91 dB
  • woofer grilles included
  • depth: 2-7/16"
  • warranty: 1 year
  • MFR # 99617

What's in the box:

  • 2 C2-650cw Woofers
  • 2 C2-075ct Tweeters (with 6" wires attached)
  • 2 C2-650-XO Crossovers
  • 2 Grilles
  • 2 Self-adhesive JL Audio badges
  • 2 Flush mount tweeter housings
  • 2 Surface mount tweeter housings
  • 2 Metal spring clips for tweeter fixtures
  • 2 M4x30mm Pan-head machine screws
  • 2 Crimp-on 0.187" Male quick slides
  • 2 Crimp-on 0.110" Male quick slides
  • 2 Crimp-on 0.205" Female quick slides
  • 2 Crimp-on 0.110" Female quick slides
  • Four 7/8" Flat head self-tapping screws
  • Twelve 1-1/8" Pan head self-tapping screws
  • 8 Speed clips
  • 12 Crimp-on spade connectors
  • Owner's Manual
  • Woofer cutout template

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4.5 out of 5 stars
118 reviews

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More details on the JL Audio C2650

Pat M.

Features & specs

Speaker Size 6 1/2
Design 2-way
Tweeter Design 3/4" Dome
Impedance (Ohms) 4
Tweeter Composition Silk
Woofer Composition Mica-filled Poly
Woofer Surround Butyl Rubber
Parts Warranty 1 Year
Labor Warranty 1 Year
Sensitivity (1W at 1 meter) 91
Sensitivity at 2.83 volts N/A
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 9/16
Mounting Height (Inches) 0.189
The JL Audio C2650 replaces these items:

Product Research


Woofers: The JL Audio Evolution C2-650 component speakers feature injection-molded, mica-filled polypropylene cone woofers with butyl rubber surrounds. The woofer has a 1.0" voice coil on a Kapton Former, a flat symmetrical roll spider, and a Ferrite magnet.

Tweeters: The system features ¾" silk dome, ferrofluid-cooled tweeters with a damping neodymium magnet. Silk is lightweight and great for high frequency extension and efficiency. It is also designed for durability in the extreme automotive environment. Flush and surface tweeter mounting brackets are included.

Tweeter Dimensions:

  Frame Diameter Cutout Diameter Mounting Height Mounting Depth
Flush Mount 1.874" 1.620" 0.286" 0.916"
Surface Mount 1.692" Screw holes only 0.939" Screw depth only

Two-way Crossover System: The C2 component system utilizes a true 2-way crossover system with Mylar capacitors and air-core inductors:

  • High Pass: second order (12 dB/octave slope); three tweeter level settings are selectable via jumper pins: +2.0 dB, Reference, and -3.0 dB
  • Low Pass: first order (6 dB/octave slope)

Tweeter Protection: The crossover network has an electronic tweeter protection circuit built in; it monitors the current and disconnects the tweeter when it senses and overload. The circuit automatically resets once the overload is removed.

Crossover Wiring: The terminal strip will accept bare wire or spade connectors up to 0.31" wide.

Crossover Dimensions:

  • Width: 3.365"
  • Height: 1.445"
  • Depth: 4.732" (plus wire)

Connection Note: The C2 component system comes with no speaker wire. Instead, a number of spade connectors and quick slides are included in the hardware pack to be crimped onto speaker wire you provide.

Size Classification Note: Crutchfield has traditionally referred to this size speaker as a 6¾", while some manufacturers, including JL Audio, call it a 6½". Please refer to the Crutchfield Vehicle Selector for the proper size of speaker for your vehicle.

Power Handling: JL Audio publishes several power specifications for this speaker system, 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

20 questions already asked

When installing a component set like this, would this be a 2 channel set up, or a 4 channel set up? I mean do the tweeters connect separately, to consume another 2 channels.
robert  Nov 04, 2022
1 answer
Greetings Spike0358, and thank you for the question. Both ways are options. With a 2 channel amp, you would be using the included crossovers. Those connected to the amp first, then the woofer, and the tweeter would connect to the crossover. With a 4 channel amp, it gets a bit more complex. In that case you would not use the included crossovers, but use the amplifier settings to send just certain frequencies to each woofer, and each tweeter. If the tweeter gets too much low frequency you will end up with a dead tweeter. If you went with that second option, I would have it installed by a professional installer that has the equipment to test frequencies.
thomas  Nov 04, 2022 (Staff)
Where is the factory Apple find located in a 2015 Audi A3 premium plus I can't find it?
jxfrausto  Jul 17, 2022
1 answer
I'm sorry Joshua, I'm not sure what you mean by "Apple Find". If you are looking for USB or smartphone connections on your A3, those are under the center console bolster in the storage area there. If you mean the factory amp and have the Bang & Olufsen premium sound setup that amp should be under the driver's seat (if you are in a USDM Audi). If you do not have the B & O setup there is no factory amp, and the power comes from the radio itself. I hope this helps!
bo  Jul 17, 2022 (Staff)
Do my 2015 Audi A3 premium plus executive model factory amplifier have enough power to get an adequate sound out of the speakers?
jxfrausto  Jul 17, 2022
1 answer
Unfortunately we only have limited info on the premium audio system and the factory amplifier. However, it is very likely that you will need an aftermarket amplifier to adequately power these speakers. Our advisors are happy to help with the project in more detail. Give us a call at 1-800-324-9695.
zachary  Jul 17, 2022 (Staff)
Do I need an amp to connect this with crossovers??
cruz  Jun 11, 2022
1 answer
Greetings Cruz, and thank you for your question. It is highly recommended that you do use an amplifier for the JL Audio C2-650. If you did not use an amplifier, the speakers will still play, just at a low volume level.
thomas  Jun 11, 2022 (Staff)
How are these compared to the c1 650? I have a 400/4 jl amp. When I turn it up a bit much my c1â??s start to get distorted. At least the tweeters do.
alex  Apr 30, 2021
1 answer
I've had these in my vehicle for over a year and haven't had an issue with any distortion I listen to edm/hip hop /r&b/ punk rock but I power my system with audio controls-4.800
angel  Apr 30, 2021
How are c2 650 compared to the c1 650? I have a 400/4 jl amp. When I turn it up a bit much my c1's start to get distorted a little. At least the tweeters do. Wondering if it's worth upgrading to these.
alex  Apr 30, 2021
1 answer
I can't make a comparison between the two but as far as output goes I was pretty disappointed. I ended up returning and putting the factory back in because they sounded equivalent when it came to output before distortion.
kyle  May 01, 2021
Do you have to connect those Crossovers for the speakers to work or can you run the speakers without crossovers? I'm not familiar with crossovers at all. I have a kicker KX1200
abraham  Nov 30, 2020
2 answers
You can run w/o cross overs but they will work better with them. Consider them as solo amps...
david  Dec 04, 2020
You can run without crossovers but for audio quality I wouldn't recommend it since it's basically a filter that chooses what sound Frequency goes to which speaker. Especially for how simple they are. It really only consists of placing speaker wire into its corresponding location on the crossover. It only would add 10-20 mins max to an install even for someone without experience. I'm sure YouTube has good videos that would walk you through the process if needed.
kyle  Dec 04, 2020
What kind of jl audio amp will you recommend for the C2650 mids and highs?
ricky  Aug 25, 2020
1 answer
I am using a 600 watt 4 channel JL amp in 4oms to run rear 6x9 alpines and the C2650's in doors of a 2003 F250 , now the rest is a 400 mono for a rockford fosgate 12 punch its the middle series around 400 dollars ,, always if you can run a clean amp from JL or Alpine, others make claims of true RMS these i can be a witness, I am 57 years and have done few upper end systems , this one is one of my best acoustics and clarity to date.
allen  Aug 25, 2020
Why are these not recommended for a 2011 ford f150 with the navigation? From what I can see they would fit with out a problem. Modification to the tweeter mount may be needed but that's the only thing I can think of.
bradley  Jun 06, 2020
2 answers
I would think it has to do with the door panel or something Around the area that will not let it fit
joel  Jun 07, 2020
Should work. Don't see why it wouldnt
corey  Jun 06, 2020
Can I add either the JBL Stadium GTO20M midrange or the Infinity Kappa 20mx midrange to this 2-way component set for better midrange sound?
michael  Jun 09, 2019
2 answers
You will need a set of crossovers to make that work . I f the tweeter set comes with crossovers . Yes . I've always bought tweeter midrange sets cause they come w crossovers to match the setup .
troy  Jun 10, 2019
I have the Kappa 60csx and added the 20mx - and yes they work great. the 20mx is developed as a plug and play for the 60csx: 3-Way Upgrade: The system crossovers are gap-selectable, to accommodate a midrange upgrade. The optional 20mx midrange (item number 108K20MX, sold separately) includes band pass crossover to upgrade this two-way system to a three-way system with perfect tonal balance.
arthur  Jun 10, 2019
Will I need to set a crossover on my amp? Or do the external crossovers do all the work?
vader1010101  Feb 10, 2018
5 answers
Since only the tweeter setting can be adjusted on the crossover, I chose to leave the tweeter adjustments alone and set the crossover adjustments on my JL Audio external amp. It sounds very good.
david  Feb 12, 2018
External cross over does all the work.. u can still tweek to your likings but cross does it all
ryan  Feb 12, 2018
The external will do a good job of keeping the highs with the tweets, but best route is to use your amp's or a separate active crossover to get things dialed in.
jesse  Feb 12, 2018
I have my amp set to full range and let the crossover do most of the work ...I fine tune it with the eq in my head unit
derek  Feb 12, 2018
I used the crossover on the JL amplifier. I think the frequency going into the mid range is open. I have it set at 80 on the high pass setting. So to answer your question it depends on what you are expecting them to do (frequency range covered)
paul  Feb 12, 2018
I drive a Jeep Wrangler and the bass is horrible. Would these speakers do the job?
lexie  Nov 12, 2017
3 answers
JL Audio is all you need. Do it!!!!! Wrangler on
colin james  Nov 17, 2017
There are a lot of variable to his question. I'd say yes if you have them installed in a manner that allows Jen to meet their potential. Ample power, install location, etc.
jesse  Nov 17, 2017
I'd say they would help from stock... but without an amplifier and a sub (especially in a jeep) you will probably be always hoping for more
paul  Nov 17, 2017
What gauge wire from crossover to speakers?
nicole  May 25, 2017
3 answers
Being a music purist I always go slightly overboard on all speaker wire. I used 12 gauge to the woofers and the tweeter, but 14 to 16 gauge is certainly sufficient for the tweeters.
david  Jun 01, 2017
thongvanh  May 26, 2017
I used 12 gauge for all due to the amount of power and distance I'm running. 14 would probably be sufficient, but I always err to 12.
jesse  May 26, 2017
How loud do these get ?
jeramie  Apr 26, 2017
4 answers
Hitting them with about 90 rms fills my Subaru with plenty of sound. Not drowned out by the pair of 12'a I'm pushing with lots of power
derek  Apr 27, 2017
they get pretty loud when amplafied, super clean crisp sound. great stuff from jl audio.
antonio  Apr 26, 2017
They get pretty loud. Especially if you have the right amplifier connected into them.
maurice  Apr 26, 2017
I have a 4 channel JL audio amp powering mine in a 2015 Tacoma. I have yet to turn it up all the way it gets too loud for my ears to handle.
brian  Apr 26, 2017
I'm looking to add these components to a pioneer Avic4100 head unit with peak internal amp of 50 watts with 4 channels. These components require 15-100 RMS watts at 4ohms. Should I add an amp to achieve the best sound or bridge the headunit to increase power? I have rear stock speakers though too. I'm not looking for competition equipment just for a daily driver 2010 Toyota Corolla.
andrew t  Dec 29, 2015
6 answers
I have an 2015 RAV4 and have theses speakers and 75 watt kicker amp and 51/2 kicker rear speakers and 250watt sub with stock head unit and it sounds great
russell  Dec 30, 2015
I think you will be quite happy with these speakers without the need for an additional amp or bridging. I am powering these speakers with the internal amp of an Avic Z150-BH head unit, which has similar power specs to the Avic4100. They have a great sound and plenty of volume, as long as you aren't expecting competition spl levels. I would recommend trying them out like this first ... you can always add an amp or bridge later, if you decide you need to.
keith  Dec 30, 2015
These are sound quality speakers. I have front and rear components amplified with a alpine amp. In a 2015 Toyota Camry. Still not loud enough for me.. But are a very nice set if your not trying to get crazy
david  Dec 30, 2015
I added a 1000 watt 5-channel amp and they sound amazing. I recommend adding the amp.
anthony  Dec 30, 2015
Hey Andrew in my opinion I would suggest that you put a amp those speakers to get the best sound quality ...I would say abot 60 too 75 watts rms to get the best sound from these..I personally have them on 100 watts rms and my amp is 1/4 the way up and they sound really good..not to say they would sound bed with the head unit but I know from my experience the amp will and more depth to the music..
terrell cecil  Dec 29, 2015
I had best luck and sound running an amp,.... Of course costs a lil more but totally worth it!
scott  Dec 29, 2015
What JL amp can handle two of these?
abram  Jun 13, 2014
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.
kristina  Jun 14, 2014 (Staff)
Where is the best place to mount the x-cross over in a 2007 lexus es350 ?
warren  Jan 05, 2014
1 answer
For details on fit or installation please contact an Advisor by phone or online chat. They will be able to pull up your vehicle and give you the details on the info we have about your vehicle in our database.
jeff  Jan 05, 2014 (Staff)

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