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JL Audio  C2-690tx

C2 Series 6"x9" 225W Peak Power Handling 4 Ohm, 3-Way Coaxial Car Speakers (Pair) with Silk Dome Tweeters for OEM Factory Audio Upgrade

Item #21722

Condition:   Brand New

Product Highlights

  • 6"x9" 3-Way Coaxial Car Speakers (Pair)
  • 225W Peak / 70W RMS Power Handling
  • Silk Dome Tweeters for Smooth High Frequencies
  • 93 dB Sensitivity for Loud, Clear Output
  • Strong Midbass & Detailed Full-Range Sound
  • Easy Factory Speaker Upgrade
  • Includes Grilles & Mounting Hardware

  Free 2-Years Warranty Included!
60 DAYS Returns Accepted.
FREE Lifetime Tech Support.
FREE Shipping (No Minimum).
60 DAYS Price change protection.

$299.99

Reg. Price $309.99  Save 3%
Add Extended Warranty
  Free 2-Years Warranty Included!
60 DAYS Returns Accepted.
FREE Lifetime Tech Support.
FREE Shipping (No Minimum).
60 DAYS Price change protection.

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JL Audio C2-690tx 6x9 C2 Series 3-Way Coaxial Car Speakers (Pair) – 70W RMS / 225W Peak, 4 Ohm Factory Replacement Upgrade


JL Audio Authorized Dealer

We are a JL Audio authorized dealer, ensuring genuine products, full manufacturer warranty, and fast shipping. Free shipping available on most orders within the lower 48 states.

What’s Inside the Box
  • • (2) JL Audio C2-690tx 6x9 3-Way Coaxial Speakers
  • • (2) Protective speaker grilles
  • • (2) Bottom mount installation rings
  • • (8) Self-tapping installation screws
  • • (8) Speed clips
  • • (2) Crimp-on female quick slides (0.205")
  • • (2) Crimp-on female quick slides (0.110")
  • • (2) JL Audio logo badges
  • • Installation template
  • Owner’s Manual
JL Audio C2-690tx installed in vehicle
JL Audio C2-690tx 6x9 Car Speakers – Premium Factory Sound Upgrade

The JL Audio C2-690tx from the JL Audio C2 series speakers is a high-performance set of 6x9 car speakers designed as a true factory replacement speakers upgrade for drivers who want clearer sound, stronger midbass, and a more detailed listening experience. It’s built for users who want a noticeable improvement over stock audio without needing a full system overhaul, making it a popular car audio system upgrade for daily driving.

Better Sound Where It Matters Most

Compared to factory audio, the C2-690tx improves clarity, reduces distortion, and delivers more controlled low-end response. As part of the JL Audio 6x9 speakers lineup, these 6x9 coaxial car speakers provide tighter midbass, smoother highs, and better overall sound balance. This makes it an effective door speaker upgrade for anyone looking to bring more depth and detail into their music across all listening styles.

JL Audio C2 690tx sound upgrade comparison
JL Audio C2-690tx easy installation
Easy Fitment & Simple Installation

The JL Audio C2-690tx is engineered for direct installation in most vehicles with 6x9 factory locations, making it a straightforward factory replacement speakers solution. It works with both OEM stereos and aftermarket head units, allowing a flexible car audio system upgrade without complex modifications. For users upgrading to 6x9 car speakers, it delivers a clean OEM-style fit with a clear step up in performance.

JL Audio C2-690tx vs Other C2 Series Speakers (6x9 Upgrade Comparison)

 

  • Larger 6x9 Cone Advantage: The C2-690tx moves more air than 6.5” and 6x8 C2 models, delivering stronger midbass and deeper low-end response.
  • Higher Output & Efficiency: Designed for louder performance with less distortion, especially at higher volume levels.
  • Best C2 Series Midbass Performance: Provides noticeably more punch and body compared to smaller JL Audio C2 speakers.
  • Factory 6x9 Upgrade Optimization: Ideal direct-fit replacement for OEM 6x9 door and rear deck speaker locations.
  • Full-Range Sound Improvement: Enhanced clarity, vocal separation, and smoother highs without needing a subwoofer.
JL Audio C2-690tx comparison with other C2 speakers

 

 

Frequently Asked Questions (FAQ)

 

  • • Why do my JL Audio C2-690tx speakers sound weak or have no bass?
    This usually happens due to incorrect wiring polarity, air leaks in the door, or missing door sealing. Fix it by correcting wiring and properly sealing the speaker.
  • • Why do my new JL Audio C2-690tx speakers distort at high volume?
    Distortion typically occurs when low frequencies are not filtered. Set a high-pass filter between 70Hz–80Hz and reduce bass boost.
  • • Why are my JL Audio C2-690tx speakers not loud enough?
    Low volume is usually caused by an underpowered factory head unit. Adding a 50–100W RMS amplifier will significantly improve output and clarity.
  • • Why don’t I hear more bass after installing JL Audio C2-690tx speakers?
    These are midbass-focused speakers, so performance depends on proper installation and sealing rather than subwoofer-level bass output.
  • • Why don’t my JL Audio C2-690tx speakers fit properly in my vehicle?
    Fitment issues are usually solved by using spacer rings or adapter brackets to match factory 6x9 mounting depth and alignment.
  • • Why does my JL Audio C2-690tx sound harsh or too bright?
    Harsh sound is often caused by early break-in or EQ settings. Lower treble and allow a 10–20 hour break-in period.
  • • Why does one JL Audio C2-690tx speaker sound different from the other?
    This is usually caused by wiring polarity or connection issues. Check wiring and balance head unit settings.
  • • How do I get the best performance from JL Audio C2-690tx speakers?
    Use a clean 50–100W RMS amplifier, proper door sealing, and set a high-pass filter around 70–80Hz for best results.

SPECIFICATIONS


  • Diameter : 6x9 Inch
  • Sensitivity : 93 dB
  • Impedance : 4 Ohm
  • Frequency Response : 53-22000 Hz
  • Peak Power Handling : 225 Watts
  • Design : 3 Way
  • RMS Power Handling : 70 Watts

FEATURES


Features:

  • All-Around Excellence: C2 coaxial speakers combine smooth midrange, real silk dome tweeter performance, and powerful midbass in multiple sizes for versatile applications.
  • DMA-Optimized Woofers: Proprietary motor, suspension, and cone modeling reduce distortion, improve transient response, and deliver clean, punchy bass.
  • Smooth Woofer Roll-Off: Well-dampened cones and suspension minimize ringing and transition seamlessly to the tweeter for a natural sound.
  • Pure Silk Dome Tweeters: 0.75" silk dome tweeters provide smooth, extended high-frequency response with minimal distortion.
  • High-Pass Tweeter Filter with Protection: Ensures tweeters only receive appropriate frequencies and prevents damage from excessive input.
  • Stylish Grille Design: Most models include a black grille tray with satin silver accents and a black steel mesh grille with an electroformed JL Audio logo.
  • Easy Installation: Multiple hole patterns, breakaway mounting tabs, shallow woofer mounting depths, and minimal tweeter protrusion allow easy fit behind factory grilles.

 

Specifications:

  • Speaker Size: 6X9
  • Design: 3-way
  • Tweeter Design: 3/4" Dome
  • Impedance (Ohms): 4
  • Tweeter Composition: Silk
  • Woofer Composition: Injection-mold, mica/poly
  • Woofer Surround: Polyether foam
  • Sensitivity (1W at 1 meter): 93
  • Sensitivity at 2.83 volts: 96
  • Frequency Response: 53 - 22k Hz
  • Minimum RMS Wattage: 15
  • Maximum RMS Wattage: 70
  • Peak Power Handling (Watts): 225
  • Top-mount Depth (Inches): 3 1/4
  • Bottom-mount Depth (Inches): 4
  • Cutout Diameter or Length (inches): 0
  • Mounting Height (Inches): 0.763
  • UPC: 699440996198
  • Weight: 11.01
  • Authorized Internet Dealer
Warranty: 2 Year(s) Warranty.
This item is accompanied by a manufacturer's warranty. If it is found to be defective, it may be returned to OnlineCarstereo.com for repair within 1 year from the original date of purchase with proper return authorization.

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Write a review!
  • I HAVE A 2009 CAMRY AND HAVE THESE BABIES IN THE REAR DECK AND THE DOORS ALPINE PDX600 AMP AND THEY SCREAM. VERY CLEAN SOUND:-)

    ART
    1/11/2010

  • I have 3 of these in my 65 Lincoln they fit perfect in the center of the dash. I had to modify the rear deck to fit them, just trimmed some metal, and they sound really good and clean just off the head unit.

    Mitchell
    7/19/2012

  • Great speakers for the money. I run a 300/2 on them. Handle the power with no issues. Very clear bright but not too bright.

    chris brown
    10/14/2014

  • I bought the c2 6×9, c2 6x0 and the c2 3x5 from you guys and installed them in my demo car. These speakers are awesome! The clarity is amazing! I have recommended these speakers to every customer thats hears them! Thanks for a deal on such an amazing product!

    douglas
    10/14/2014

  • I have been a loyal JL customer for several years now. These C2 6x9's are no different to the high level of quality that I have come to know and love from JL products. Great bass from a 3-way speaker with crystal clear highs and true to sound mids. This speaker really can do it all! I would strongly encourage anyone to pick up a set of them, you will not be disappointed!

    Eric
    10/14/2014

  • J L Audio is known for its quality.These speakers did not impress me. The highs could have more clarity, woofer doesn't produce the bass expected. Real let down.

    douglas
    10/15/2014

  • Great purchase will buy them again for a new truck

    tdiesel
    10/28/2014

  • These speakers really are awesome, the sound quality are unlike any 6x9's I have ever experienced. worked great amplified, and un-amplified, depending on your head unit's output power. These things beg for power though... Holds great bass, but will also work as great mids (not for highs), should you already have subs in place. Overall, great speakers...

    Rashawn Washington
    10/28/2014

  • Loved it

    Lucas
    11/17/2014

  • I have these mounted in the front doors of my '12 Grand Cherokee and love the staging. They have a fair amount of bass and can get pretty bright if need be depending on your set-up. All in all, they are flexible in terms of their frequency response and make designing a stereo system fairly satisfying. I have the 6.5 version of these in the rear doors and together with the fronts are run off a JL Audio 360/4, it's more than enough and I'm very happy.

    Robert
    11/19/2014

  • A simple word would be “love” such a good looking stereo to start with and then the sound is elite

    Mina
    11/25/2019
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