JL Audio C2-690tx C2 Series 6"x9" 70W RMS (225W Peak Power Handling) 4 Ohm, 3-Way Coaxial Car Speakers (pair) with Silk Dome Tweeters for OEM Factory Audio Upgrade
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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
Why Choose JL Audio C2-690tx Full Range Car Speakers?
JL Audio C2-690tx 6x9 Car Speakers for Premium Factory Sound
Upgrade your factory audio system with the JL Audio C2-690tx 6x9 car speakers, designed to deliver cleaner vocals, stronger midbass, and smoother highs than stock speakers. As part of the premium JL Audio C2 Series, these 3-way coaxial speakers provide detailed, full-range sound without requiring a complete audio system overhaul, making them an excellent choice for everyday drivers.
Clearer Sound, Better Midbass, and Detailed Highs
The JL Audio C2-690tx delivers a noticeable improvement in sound quality with tighter bass, more accurate vocals, and crisp high frequencies. Whether you're listening to rock, pop, hip-hop, or podcasts, these 6x9 coaxial car speakers produce balanced, distortion-free audio that brings more depth and clarity to every drive.
Easy 6x9 Speaker Upgrade for Factory and Aftermarket Systems
Designed to fit most factory 6x9 speaker locations, the JL Audio C2-690tx installs easily behind OEM grilles and works seamlessly with both factory radios and aftermarket head units. For even greater performance, pair these speakers with a quality 4-channel amplifier to unlock their full sound potential and enjoy a premium car audio upgrade.
JL Audio C1-690X vs C1-690tx vs C2-690tx | Which 6x9 Full-Range Speaker Is Best?
| JL Audio 6x9 Full-Range Speaker Comparison |
JL Audio C1-690X
6x9" C1 Series 2-Way Coaxial Speakers
BEST VALUE
- • 2-Way Coaxial Design
- • 60 Watts RMS
- • 225 Watts Peak Power
- • 4-Ohm Impedance
- • 91.5 dB Sensitivity
- • Aluminum Dome Tweeter
- • Easy Factory Replacement
- • Shallow Mounting Depth
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JL Audio C1-690tx
6x9" C1 Series 3-Way Coaxial Speakers
BEST MID-RANGE
- • 3-Way Coaxial Design
- • 60 Watts RMS
- • 225 Watts Peak Power
- • 4-Ohm Impedance
- • 90.5 dB Sensitivity
- • Better Vocal Clarity
- • Wider Frequency Response
- • Great Daily Upgrade
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JL Audio C2-690tx
6x9" C2 Series Premium 3-Way Coaxial Speakers
BEST OVERALL
- • Premium 3-Way Coaxial Design
- • 70 Watts RMS
- • 225 Watts Peak Power
- • 4-Ohm Impedance
- • Silk Dome Tweeters
- • Smooth, Detailed Highs
- • Highest Overall Sound Quality
- • Ideal for Amplified Systems
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JL Audio C2-690tx Recommended Amplifiers | Best 4-Channel Amp Pairing for Premium Sound Quality & Maximum Performance
JL Audio C2-690tx Amplifier Matching Guide
Best 4-Channel Amplifiers for Maximum Clarity, Dynamic Range & Premium JL Audio Performance
Amplifier Matching Overview
C2-690tx Power Rating: 70W RMS (225W Peak)
Speaker Configuration: 6×9" Premium 3-Way Coaxial • 4 Ohms
Ideal Amp Range: 60W–120W RMS per Channel @ 4Ω
Goal: Maximum detail, smooth highs, powerful midbass, and distortion-free playback.
Best Setup: High-quality 4-channel Class-D amplifier with clean headroom.
Top Recommended Amplifiers for JL Audio C2-690tx
JL Audio RD400/4: Best Overall Match – Delivers 75W RMS per channel, providing the ideal balance of clean power, detailed sound, and outstanding reliability.
JL Audio JD400/4: Best Value – A perfect power match that brings out the C2-690tx's smooth highs, detailed vocals, and dynamic midbass.
JL Audio JD500/5: Best Complete System – Powers all four speakers while adding a dedicated 250W RMS subwoofer channel for a complete audio upgrade.
JL Audio MX280/4: Best Compact Option – Compact Class-D amplifier delivering 70W RMS per channel, perfect for vehicles with limited installation space.
Gain & Tuning Recommendations
Gain Setting: Match amplifier gain correctly using an oscilloscope, distortion detector, or multimeter to prevent clipping.
High-Pass Filter (HPF): 80Hz–100Hz for cleaner mids, improved power handling, and better overall system balance.
Bass Boost: OFF to preserve the speaker's natural sound signature and minimize distortion.
Crossover Mode: High-Pass when using a subwoofer; Full Range if operating without one.
EQ: Begin with a flat EQ and make only small adjustments to compensate for your vehicle's acoustics.
System Matching Tips
Factory Radio: The C2-690tx will sound good on an aftermarket or factory radio, but adding an external amplifier unlocks significantly greater detail, output, and dynamics.
With a Subwoofer: Crossing the speakers at 80Hz–100Hz allows them to focus on vocals and midbass while the subwoofer reproduces deep bass for a more balanced system.
Recommended Power: The C2-690tx performs best with 70–75W RMS of clean power per channel, providing excellent headroom and long-term reliability.
Pro Tip: The JL Audio RD400/4 is the ideal amplifier for the C2-690tx. Its clean 75W RMS per channel output perfectly matches the speakers' 70W RMS rating, delivering smoother highs, tighter midbass, greater dynamic range, and lower distortion for the best overall listening experience.
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.
- 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:
- 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!
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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:-)
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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.
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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.
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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!
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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!
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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.
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Great purchase will buy them again for a new truck
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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...
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Loved it
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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.
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A simple word would be “love” such a good looking stereo to start with and then the sound is elite
