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JL Audio C5-650

Evolution™ C5 Series 6-3/4" component speaker system

5 Reviews | 3 questions - 4 answers

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Item #: 136C5650

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Our take on the JL Audio C5-650

JL Audio's Evolution™ C5 premium component speaker systems reproduce your music with impressive fidelity and power. Your music will sound smooth and balanced, from the splash of a cymbal to the thump of an electric bass, and everything in between.

JL Audio C5-650

Top-tier car audio experience

JL Audio's Evolution™ C5 premium component speaker systems reproduce your music with impressive fidelity and power. Your music will sound smooth and balanced, from the splash of a cymbal to the thump of an electric bass, and everything in between.

The C5-650 component system features a pair of silk dome tweeters that broadcast all the musical details without a hint of harshness. JL Audio built the 6-3/4" woofers for extended cone travel so they'll move more air, putting more oomph in your music when the rhythm section kicks in. These woofers use the same patented cooling technology developed for the ZR Series speakers, allowing the C5 speakers to play with a wide dynamic range at all volumes.

The C5 crossovers feature 4-position tweeter and 3-position midrange levels that give you 12 possible adjustment combinations for exceptional control over the final sound.

Note: JL Audio describes this model as a 6-1/2" speaker. Most manufacturers designate this same frame size as a 6-3/4" speaker. For simplicity's sake we list it as a 6-3/4" speaker.

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

Priced per pair

What's in the Box:

  • 2 Woofers
  • 2 Tweeters installed in flush-mount fixtures (with attached 6" speaker wires)
  • 2 Crossovers
  • 2 Grille frames
  • 2 Grilles
  • 2 Self-adhesive JL Audio badges
  • 2 Tweeter mounting rings
  • Butyl adhesive putty for woofer grilles
  • 2 Metal spring clips for tweeter fixtures
  • Two 1-1/4" pan-head machine screws
  • 4 Crimp-on 2.8mm male quick slides
  • Twelve 1-1/4" self-tapping screws
  • 8 Speed clips
  • 12 Crimp-on spade connectors
  • 2 Crimp-on 6.4mm female quick slides
  • 2 Crimp-on 4.7mm female quick slides
  • Owner's Manual
  • Woofer cutout template

Product Highlights:

  • component speaker system includes two 6-3/4" woofers, 2 tweeters, two external crossovers, and two woofer grilles
  • mineral-filled polypropylene woofer with butyl rubber surround
  • cast alloy frame with Elevated Frame Cooling
  • 3/4" silk dome tweeter
  • 2-way external crossover with 4-position tweeter level and 3-position midrange control
  • 4-ohm impedance
  • power range: 25-75 watts RMS (225 watts peak)
  • frequency response: 48-25,000 Hz
  • sensitivity: 89.5 dB
  • depth: 2-9/16"
  • warranty: 1 year
  • Our 60-day money-back guarantee

JL Audio C5-650

Average Customer Review(s):

(5 Reviews)

Awesome speakers! You get what you pay for...

Anonymous from Wisconsin on 9/25/2016

2010 Mitsubishi Lancer
Crutchfield Customer Review (What's this?)

Definitely one of the best speaker purchases I've made. I had upgraded the stock speakers once before to an entry level Infinity set I took off an old car; component fronts and coaxial rears. I also hooked up a small Alpine KTP-445u amp and was content with what I had a the time. Then I bought my wife a new car with a much better stock system. I just had to upgrade my sound system now. Unfortunately, the market just isn't want it used to be but JL Audio still provides some stellar products. I gave myself a good budget and started looking. I considered other manufacturers and also looked at JL's ZR series but really do prefer the sound of silk dome tweets. I bought myself two sets of JLs; component C5-650 fronts and C5-650x coaxial rears. I can't say enough on the build quality. However, these speakers are deeper and bulkier than my old speakers, so the install took a little more work. In a nutshell, I had to modify all the door panels and come up with some custom spacer with the supplies provided. Nothing too difficult. I ran the speakers for a week with the smaller Alpine KTP-445u then finally found time to properly wire the JL MX500/4 amp I bought with the speakers. It is night and day difference! DO IT! Buy a good amp. The mid-bass isn't car rattling but completely satisfying IMO. There's also sounds in my music I've never heard before and am finally experiencing it for the first time. Did I say AWESOME speakers?

Pros: All around, great speakers. A good sized amp really brings it alive! Silk dome tweets

Cons: You can probably find similar sound quality speakers for less The cast baskets look awesome but can make installs a little difficult for those with limited space

Amazing Clarity

Beeker from Arkansas on 5/4/2015

Crutchfield Customer Review (What's this?)

One of the best sounding speakers I've had the pleasure to hear. Crystal clear sound. Listening to classical, they effortlessly produce full sonic range with no apparent coloring of the sound. They have amazing "punch" for rock-n-roll, with no evidence of fatigue (unlike my ears) after extended high volume listening. I agree with other comments about the installation- these are premium speakers and benefit from quality installation materials like sound matting. I would also suggest taking the time and effort to run quality wiring for them. Very well worth the money.

Pros: Capable power handling, very clear tone, tweakable crossovers

Cons: Only gotcha is that these are listed as 6 3/4" speakers, meaning that they register on Crutchfield as not fitting a more traditional 6.5" factory location.

Great speakers

Chris from Lansing, MI on 1/3/2015

Crutchfield Customer Review (What's this?)

These speakers were installed in 2014 Subaru Impreza. I purchased spacers and brackets to aid in the install. Speaker baffles and fast rings were also used. Hush mat was installed on the inner door skins. New speaker wires were run between the amp, speakers, and crossovers. The speakers sound outstanding. I left everything at reference. These require a little more work to install as they do have a separate crossover, but if you are looking for a higher end system, these will serve you well.



Superb speakers

Craig from Seattle, WA on 7/1/2010

I installed a pair of C5 650s into the front factory speaker positions on my Nissan 350Z. Before installing the JL's, I installed a pair of Infinity reference speakers and even though the results were better than the atrocious BOSE factory system, I just wasn't happy with the sound. When I installed the JL's, I added Dynamat extreme to the doors, ran new Monster speaker wires to the amplifier and I purchased a 3/4" MDF spacer from a recommended company. When I finally fired the JL C5 speakers up, I was BLOWN AWAY by how good they sounded. I was getting crystal clear highs and tremendous mids. (Word to the wise: don't skimp on the installation, these speakers demand a quality setup for maximum effect.) The levels of separation for the different crossover settings are very noticeable and can be customized to your personal tastes in real time. I ended up setting the mids and trebles to their reference settings since to me, they sounded great that way. Setting the trebles or mids on the crossovers to higher than reference actually hurt my ears. I absolutely recommend these speakers as your primary fronts. Go with something cheaper in the rears, like the JL C2's, since most of your sound is coming from up front anyway. Top these off with a good subwoofer (I have the JL 10W3V3), and you're golden. Yes, the C5's are expensive, but they're so worth it.



Buy these Speakers

Jim from Phoenix, AZ on 10/25/2008

Very clean sounding and the range is very good. You will not be disappointed with these speakers. The crossover that comes with the speakers works very well and has some nice features for adjusting the level of the drivers and tweeters independently of each other. You also might want to consider getting the Dynamat Xtreme 10415 door kit. It eliminated all of my rattles in the door and doesn't stink like the traditional Dynamat. These will fit in the front doors of an 08 Scion TC. You will just need to build your own mounts. I used 3/4" MDF to make the main shape of the mount and an additional 1/4" MDF ring for just a little more clearance. Clears the window with plenty of room and does not hit the door panel.




Hands-on research

Features and Specs

Speaker Size 6 3/4
Design 2-way
Tweeter Design 3/4" Dome
Tweeter Composition Silk
Woofer Composition Mineral-filled poly
Woofer Surround Butyl rubber
Parts Warranty 1 Year
Labor Warranty 1 Year
Sensitivity (1W at 1 meter) 89.5
Sensitivity at 2.83 volts N/A
Frequency Response 48 - 25k Hz
Minimum RMS Wattage 25
Maximum RMS Wattage 75
Peak Power Handling (Watts) 225
Impedance (Ohms) 4
Top-mount Depth (Inches) 2 9/16
Bottom-mount Depth (Inches) N/A
Cutout Diameter or Length (inches) 5 9/16

Product Research

Woofer Features
Tweeter Features
Crossover Features

Woofer Features

Cast Alloy Baskets: The Evolution C5 component speakers feature cast alloy woofer baskets, while incorporating JL Audio's patented "Elevated Frame" cooling system. This cooling technology, also found on the flagship ZR component systems and W7 and W6v2 subwoofers, allows air to flow directly across the top plate and onto the voice coil windings to greatly improve linearity at all listening levels.

Motor Structure: The DMA (Dynamic Motor Analysis)-optimized motor structure achieve outstanding linearity.

Woofer Cones: The cone and suspension elements were designed and manufactured by the world-famous Dr. Kurt Müller & Co of Germany. The speakers feature low-mass, mineral-filled polypropylene cones with butyl rubber surrounds. The cone and surround are inherently well damped to deliver an uncolored, neutral midrange without any coloration. The speakers are also equipped with symmetrical-roll, hybrid-weave spiders.

Tweeter Features

Silk Domes: The C5 component system's 3/4" silk dome tweeters are incredibly smooth on- and off-axis for accurate imaging and a big, stable soundstage.

Neodymium Magnets: The small neodymium magnets and small chassis give you excellent tweeter placement flexibility.

Performance: Each pair of C5 tweeters is tested and matched to within 1 dB of JL Audio's reference curve to ensure optimum system performance.

Mounting Options: The tweeters come mounted in JL Audio's RSR mounting system to permit precise angling of the tweeters after installation. There are five available positions for angling the tweeter inside the flush mount. The mounting dimensions are as follows:

  • Mounting Depth: 0.56" (1.67" screw depth)
  • Mounting Height: 0.36"
  • Frame Diameter: 1.758"
  • Cutout Diameter: 1.49"

Crossover Features

Two-way Crossover System: The C5 component system utilizes a true 2-way crossover system:

  • High Pass: On the tweeters is a second order high-pass filter utilizing premium Mylar capacitors combined with an air-core inductor. Four tweeter level settings are selectable via jumper pins: +2.0dB, Reference, -1.5dB, and -3.0dB.
  • Low Pass: The low-pass section features a first order filter with three levels of user-definable midrange presence: Low, Reference, and High.

Polyswitch: Polyswitch tweeter protection is incorporated into each C5 component system crossover system.

Barrier Strips: Connections to each crossover network are made via protected nickel-plated barrier strips.

Dimensions: The C5 crossover systems have the following dimensions: Width=3.367", Height=4.72", Depth=1.44"

Connection Note: The C5 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.

Our Product Research Team

At Crutchfield, you'll get detailed, accurate information that's hard to find elsewhere. That's because we have our own in-house Product Research team. They verify what’s in the box, check the owner's manual, and record dimensions, features and specs. We stay on top of new products and technologies to help people make informed choices.

Q & A

Customer Q&A

Crutchfield asked  
Why did you buy this?

I took a chance and bought a used set on eBay, one woofer was DOA so I did what I should have done in the first place and ordered from Crutchfield. Replacing a Memphis M-Class component set. The JL woofers play a little lower, but overall I consider the woofers a push. The JL tweeters, on the other hand, are absolutely sublime! No comparison. [ Anthony  Apr 22, 2016 ]

3 questions already asked

It's the best for my Camero I love them [ Mohammed  Sep 18, 2016 ]
The JL Audio speakers are made to work in any given airspace so there is no specific amount you have to have. You'll just need the proper cutout diameter and enough mounting depth for the mid-bass driver to seat flush. I hope that helps. My Bio: [ Ryan  Sep 17, 2016 ]  Staff
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. [ Krissy  Jul 25, 2014 ]  Staff

Looking for more? Check out the next model in this lineup.

JL Audio ZR650-Csi

Enjoy crystal-clear musical detail

The JL Audio ZR650-Csi offers these features:

higher power capabilities

1" aluminum dome tweeters

2-way crossovers with 5 tweeter and 4 midrange levels