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JL Audio C1-650x

100W RMS 6.5" C1 Series 2 Way Coaxial 4-ohm Car Speakers

JL Audio
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Limited time!
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• 50 watts RMS Each
• 3/4" Silk-Suspended Aluminum Dome tweeters
• Mineral-Filled Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 90.5 dB

Learn more about the c1650x
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$129.99

/pair  with warranty
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Current Promotions (14 offers)


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Reduce panel vibration, increase midbass, reduce destructive waves, and get better sound! The NVX XBAF65 Rings Kit help to focus all the sound into the cabin, bringing out the full potential of your speakers.

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Get 40% Off NVX SDSK2 Sound Dampening Speaker Kit with your Speaker purchase! Simply click the "Add Both to Cart" button. This offer cannot be combined with any other coupons or offers.

JL Audio C1-650x

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Description


JL Audio brand icon

Authorized dealer


JL Audio C1-650x

C1 speakers deliver real substance and great audio performance in a format designed for easy fit behind factory grilles.

To facilitate fit, multi-application adaptor rings are included with the C1-650x allowing easy, drop-in installation in vehicles equipped with oversized 6.5-inch and 6.75-inch speaker openings. Without the ring, the speaker will fit into many "6-inch" speaker locations as well.

Equipped with a true, edge-driven, aluminum dome tweeter, C1 speakers stand further apart from others in its category with superior high-frequency clarity and definition. The tweeter’s design has inherently excellent off-axis response and high-frequency extension. It also benefits from the damping of a silk surround suspension and Ferrofluid in the voice coil gap, along with the superior strength of a neodymium magnet circuit. A true, 2nd order high-pass filter is employed to further enhance smoothness and improve power handling.


Product Details:

  • 6-1/2" C1 Series 2-way Coaxial Car Speakers
  • Power Handling:
    • RMS: 100 watts per pair / 50 watts each
  • Mineral-Filled Polypropylene cone material
  • Rubber speaker surround
  • 3/4" Silk-Suspended Aluminum Dome tweeters
  • DMA-optimized woofers for improved performance
  • Onboard second-order high-pass filters
  • Near-universal fit into most OEM locations
  • 1" voice coil
  • Ferrite magnet motor structure
  • Top-mount Depth: 2.07"
  • Cutout Dimensions: 5.02"
  • Impedance: 4 ohm
  • Frequency Response: 48 - 24000 Hz
  • Sensitivity: 90.5 dB
  • Authorized Internet Dealer
  • MFR #: C1-650x
  • 1-year Manufacturer's Warranty

  • Priced Per Pair

Frequently Asked Questions (FAQ)


This is likely a polarity issue. If the positive and negative wires are swapped on one speaker, they will cancel each other's bass. Ensure the wider terminal is connected to the positive wire on both the left and right speakers.
Factory speakers often use plastic clips that strip easily. Use the included speed clips (U-nuts). Slide them over the metal mounting holes in your door; this gives the new screws a fresh, threaded metal surface to bite into.
No. The C1-650x features a true "zero-protrusion" tweeter. The tweeter sits flush with the woofer's surround, making it a perfect DIY "drop-in" replacement that won't interfere with your original interior door panels.
Premium factory amps are often specialized for 2-ohm speakers. The C1-650x is a 4-ohm speaker. To get the full volume back, you may need to add a small aftermarket 4-channel amplifier to provide the necessary power.
No. To keep your install clean and reversible, use a vehicle-specific speaker harness (like Metra 72-series). It plugs into your car's factory connector and slides right onto the JL Audio terminals without any crimping or soldering.
These move more air than stock speakers. Use the included foam gasket between the speaker and the door. For the best DIY result, apply a small piece of sound-deadening material (like RoadKill) to the metal around the speaker.
Yes. The C1-650x uses a mineral-filled polypropylene cone and a rubber-clad suspension. These materials are UV-resistant and designed to withstand the high heat of a rear dashboard without cracking or warping over time.
Usually, this is amplifier clipping from a factory radio. The C1-650x is rated for 50W RMS. If you are pushing your radio to 100% volume, the signal "squares off" and causes that pop. Keep your max volume at around 85% for clarity.

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Specifications & Details


Speaker Specifications
Series
C1 Series
Priced Per
Pair
Number of Speakers
2
Speaker Size
6-1/2"
Design
2-way Coaxial
Tweeter Design
Dome
Tweeter Size
3/4"
Tweeter Composition
Silk-Suspended Aluminum
Woofer Composition
Mineral-Filled Polypropylene
Woofer Surround
Rubber
RMS Power Handling
50 watts
Total RMS Per Pair/Set
100 watts
Sensitivity
90.5 dB
Frequency Response
48 - 24000 Hz
Impedance (Per Voice Coil)
4 ohm
Voice Coil Diameter
1"
Shallow Mount Installation
No
Magnet Type
Ferrite
Top-Mount Depth (Mounting Depth)
2.07"
Cutout Dimensions
5.02"
General specifications
Marine Certified
No
Hi-Res Certified
No
Color
Black and Yellow
Speaker Grilles
No
Includes Damping Kit
without Damping Kit
Compatible vehicle types
Car/Truck/SUV/Van
What is in the box?
Paperwork
User manual
WITB: Speakers
Speakers (2)
Mounting screws (4)
Mounting screws (8)
Mounting clips (8)
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

C1-650x

Weight:

5.32lbs

Internal SKU:

c1650x

Internal Product ID:

128793

Customer Ratings & Reviews


JL Audio C1-650x thumbnail image

5 star
74%
4 star
24%
3 star
2%
2 star
0%
1 star
0%



Durability
4.9
Value
4.8
Features
4.9
Design
5
Usability
4.9

Customer Photos & Videos


Customer Reviews

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JL at its best

Quality JL speakers, can't complain. They sound great. I would buy again.

By craig on March 10, 2020 Checkmark Icon Verified purchase

54 found this helpful


Great product

Put these in my buddies Camry and it sounds way too good. Really jealous

By Anonymous on August 26, 2018

54 found this helpful


Not a lot of bang for My Buck

I totally upgraded my sound system for my 2009 Scion Xb, I put in an Alpine IL 650 head unit in with a companion 200 watt amp, I bought these 2 speakers for the rear door panels and a pair of component speakers for the front door panels. I had all the doors soundproofed, I also installed a backup camera. I must say I am really disappointed in the sound, they sound really tinny, hardly any bass at all, no matter how I configure the Alpine. I had all this professionally installed by a very reputable and well reviewed business in a nearby city. I am hoping the $650 10" self powered JL Audio subwoofer I bought will bring the bass I was hoping these speakers were going to provide.
At the high end of the speakers they sound great...just no bass, to speak of.

By JEFF on August 25, 2021 Checkmark Icon Verified purchase

52 found this helpful


decent speakers for the price

JL audio is always the way to go for them to sound the way they do for being a 6.5in speaker and just 2 ways they really are clear, not a crazy amount of bass but will get the job done. The only problem I had with these speakers was the mounting bracket in my 2014 Subaru impreza. it was a little difficult but with some modifications their in and sound good.

By Bruce on April 18, 2018

51 found this helpful


Nice speaker

Replaced front door speakers one at a Time to see the difference between my Pioneer TS-A1675S. Pioneer definitely had more Bass. JL lack bass but clean sound. I think the cheaper TS speakers sounded way better overall they were also 3 way.

By kevin on April 18, 2020 Checkmark Icon Verified purchase

50 found this helpful


jl c 1 6.5 in the rear doors

installation went smooth had to drill new holes the speakers sound great been driving the truck for the past 15 years listening to the factory speakers, way past due for an upgrade.

By micheal on July 24, 2020 Checkmark Icon Verified purchase
2005 Dodge Ram 1500

50 found this helpful


Amazing

Great full sound, easy install, and a sleek design. This worked perfectly with my JL audio Amp.

By Gabriel on January 17, 2021 Checkmark Icon Verified purchase

45 found this helpful


Great sound and bass

Very nice speakers. Nice quality from these speakers. Bass sounds good. Clean sound. Even when cranked up.

By Andrew on October 13, 2021 Checkmark Icon Verified purchase

41 found this helpful


Crisp and CLean

Great factory upgrade to any vehicle. I installed these for a customer and they turned the factory radio all the way up and they took everything it could push. Very clean sound and the cross over is small and compact for easy hiding.

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great speakers

they are great speaker for an factory upgrade sound clear

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Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

  • You see only parts engineered for your exact vehicle
  • You avoid incompatible radios, speakers, or wiring
  • Installation is smoother, faster, and frustration-free
  • You get the correct accessories the first time

Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.