JL Audio C2-400x (Open-box, Like New)

210W 4" 2-Way Evolution C2 Series Coaxial Car Speakers

JL Audio
Shop all JL Audio

• Peak Power: 100W
• RMS Power: 70W
• 3/4" Silk Dome Tweeter
• Mounting Depth: 1-15/16"
• Injection-Molded Mica-Filled Polypropylene Cone Woofer
• 4 Ohms Impedance
• Sensitivity: 85dB

Learn more about the LS-c2400x-OB
Checkmark Icon

Select a vehicle. Make sure it fits.

Was $199.99 Details
Thanks , You Pay:


/pair  with warranty

Heads up

We confirm fitment and offer accessories for speakers. Please set your vehicle first if you would like to purchase more than one LS-c2400x-OB.

Set your vehicle or Return to product page
shipping truck icon Free shipping in USA. Provide zip for delivery date.
In Stock
Open box
recycle icon Brand new $179.99

Acima Logo

No Credit Option

Flexible Lease Payments

Early Purchase Options

Quick Approval Decision

Swoosh Icon Icon of Swoosh

For over 23 years, we've been your X-Factor – the team dedicated to having the biggest impact on your shopping experience!

Award winning icon
Award-Winning Service
Shipping icon
FREE Shipping Orders $49+
60 days return policy icon
60-Day Easy Returns
lowest price guarantee icon
Guaranteed Lowest Price
In-House Experts


JL Audio brand icon

Authorized dealer

Item Condition - Like New:
A Open Box, Like New product is an apparently untouched product in perfect condition that includes all accessories and packaging. The original protective wrapping may be missing, but the original packaging is intact and pristine. There are absolutely no signs of wear on the item or installation. Instructions are included. Warranty details are included in the item description or comments. Item is suitable for presenting as a gift and savings should be abundant!

Product Features:

  • 4.0" Evolution C2 Series 2-way Coaxial Car Speakers
  • Power Handling:
    • Peak: 210 watts per pair / 105 watts each
    • RMS: 70 watts per pair / 35 watts each
  • Recommended Power Range: 10 - 50 watts per channel
  • Injection Molded, Mica-filled Polypropylene Cone
  • Butyl Rubber Surround
  • 1.00" Voice Coil on Kapton® Former
  • Symmetrical Roll Spider
  • Ferrite Woofer Magnet
  • 0.75" Silk Dome Tweeter
  • Ferrofluid Cooling/Damping Neodymium Tweeter Magnet
  • Natural Roll-Off Low-Pass, 1st Order High-Pass Filter with Electrolytic Capacitor
  • Black steel mesh grille with satin silver accents Included
  • Two 4" x 6" (100 x 150 mm) Adapter Plates Included
  • Top-mount depth: 1.81"
  • Cutout Dimensions: 3.81"
  • Nominal Impedance: 4 ohm
  • Efficiency: 84.5 dB @ 1 watt / 1 meter
  • Frequency Response: 71 Hz - 22 KHz ± 3 dB
  • Authorized Internet Dealer
  • 1-year Sonic Electronix Warranty
  • Priced Per Pair

Check out the JL Audio C2-400x Owner's Manual

Specifications & Details

Speaker Specifications
C2 Series
Priced Per
Speaker Size
2-way Coaxial
Tweeter Design
Tweeter Composition
Woofer Composition
Mica Injected Polypropylene - MIPP
Woofer Surround
Butyl Rubber
Peak Power Handling
50 watts
RMS Power Handling
35 watts
85 dB
Frequency Response
71 - 22000 Hz
Impedance (Per Voice Coil)
4 ohms
Shallow Mount Installation
Top-Mount Depth (Mounting Depth)
General specifications
Speaker Grilles
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Sonic Electronix

Item Details


Model Number:




Internal SKU:


Internal Product ID:


Customer Ratings & Reviews

5 star
4 star
3 star
2 star
1 star


Customer Reviews

Sort by:


Sounds Great

The following review is for C2-400X, which is a part of the bundle you are viewing.

Just put in a pair of the JL Audio C2-400X into the dash of my 2000 Porsche Boxster S. and they sound great! I cut the old speakers out to make a mounting bracket. And that work. Overall Sonic Electronix was easy to order from and the speakers sound great.

By Rod on February 6, 2010


found this helpful.

JL C2 -400X

The following review is for C2-400X, which is a part of the bundle you are viewing.

LOOK .I just bought these beauties. My god they rock!! At first I really underestimated them cause they are so light!! The sound is awesome, you can hear a crisp base!! Excellent buy, highly recommend it.

By jalal on May 9, 2010


found this helpful.

JL Speakers on 2011 Hayabusa

The following review is for C2-400X, which is a part of the bundle you are viewing.

Just bought and installed JL speakers on my Hayabusa as a replacement for 4" Infinity reference and they out perform reference speaker by far. Using a 2 channel 300 Watt Rockford Fosgate amp to boost the sound and with a little tweeking of the amp they loud with crisp base. Excellent buy!!

By Mitch on April 20, 2014


found this helpful.

Quality Item

The following review is for C2-400X, which is a part of the bundle you are viewing.

After fitting a JL Audio amp & speakers to my Jaguar XKE I added the JL C2 400x to the front console area which is limited in space, the JL's perform beyond their size & price! Sonic Electronix dispatched quickly & efficiently, good service, would definitely use Sonic again

By openseater on May 16, 2011


found this helpful.

Solid JL Audio C2-400x speakers!!

The following review is for C2-400X, which is a part of the bundle you are viewing.

They have great sound and would definitely recommend them. Great speakers for the money!

By TheLatvian on October 11, 2010


found this helpful.

Dope speakers

The following review is for C2-400X, which is a part of the bundle you are viewing.

Overall dope speakers, the sound quality, perferct mid-bass, easy installation (first time i ever installed speakers). Only problem i found was that these are 4" and i seen that i could fit 5.25" speakers for my rear doors.

By Filo on December 25, 2015 Checkmark Icon Verified purchase


found this helpful.


The following review is for C2-400X, which is a part of the bundle you are viewing.

Definitely 100x better than the speakers i had in my car before. They have a better base and clear sound. Highly recommend.

By James on August 25, 2020 Checkmark Icon Verified purchase


found this helpful.

4" jl audio

The following review is for C2-400X, which is a part of the bundle you are viewing.

Ok speakers way over priced. Find something cheaper name doesnt mean anything with these

By Randy on November 20, 2015 Checkmark Icon Verified purchase


found this helpful.


Similar Products

Best selling similar products

Alpine R2-S65 (Open-box, Like New)

• 300 watts Peak Each, 100 watts RMS Each
• 1" Magnesium Hard Dome Tweeters
• Glass Fiber cone material
• Impedance: 4 ohms
• Sensitivity: 88 dB



Related Searches

Save up to 10 different vehicles in your garage

Add vehicle
Identify your vehicle and submodel details
  • Owner’s manual
  • Vehicle’s insurance card
  • Vehicle registration
  • Vehicle produced after 2005: Inside driver’s side door
  • Vehicle produced before 2005: Rear passenger doorjamb, glove box, center console, or engine compartment
Car Info Side Door Icon
Vehicle Registration Icon
Vehicle Insurance Icon