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JL Audio C1-400x

70W RMS 4" C1 Series 2 Way Coaxial 4-ohm Car Speakers

JL Audio
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• 35 watts RMS Each
• 3/4" Silk-Suspended Aluminum Edge Driven Dome tweeters
• Mineral-Filled Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 84.5 dB

Learn more about the c1400x
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$94.99

/pair  with warranty
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Current Promotions (8 offers)


This offer cannot be combined with any other coupons or offers.

JL Audio C1-400x

30% off


Priced separately $137 98

Promo Savings of $12 90

Total price:

$125 08

This offer cannot be combined with any other coupons or offers.

JL Audio C1-400x

30% off


Priced separately $160 98

Promo Savings of $19 80

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This offer cannot be combined with any other coupons or offers.

JL Audio C1-400x

30% off


Priced separately $119 98

Promo Savings of $7 50

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$112 48

This offer cannot be combined with any other coupons or offers.

JL Audio C1-400x

30% off


Priced separately $150 98

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30% off


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20% off


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20% off


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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 C1-400x

40% off


Priced separately $109 98

Promo Savings of $6 00

Total price:

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Description


JL Audio brand icon

Authorized dealer

4" Coaxial Speaker System

The JL Audio C1-400x is an entry-level, high-value 4-inch coaxial speaker system designed to provide a massive step up in clarity and detail over factory-installed speakers. Part of the C1 series, these speakers are engineered for high-output performance and smooth response while fitting into tight spaces and behind factory grilles.

The C1-400x is built around a proprietary, stamped steel 4-inch frame and a DMA-optimized motor system to reduce distortion. It features a true edge-driven aluminum dome tweeter, which is a rarity at this price point. This design provides superior high-frequency extension and off-axis response compared to traditional balanced-dome tweeters often found in competitors' entry-level models.

Product Details:

  • 4" C1 Series 2-way Coaxial Car Speakers
  • Power Handling:
    • RMS: 70 watts per pair / 35 watts each
  • Mineral-Filled Polypropylene cone material
  • Rubber speaker surround
  • 3/4" Silk-Suspended Aluminum Edge Driven 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: 1.81"
  • Cutout Dimensions: 3.7"
  • Impedance: 4 ohm
  • Frequency Response: 64 - 24000 Hz
  • Sensitivity: 84.5 dB
  • Authorized Internet Dealer
  • MFR #: C1-400x
  • 1-year Manufacturer's Warranty

  • Priced Per Pair


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Specifications & Details


Speaker Specifications
Series
C1 Series
Priced Per
Pair
Number of Speakers
2
Speaker Size
4"
Design
2-way Coaxial
Tweeter Design
Edge Driven Dome
Tweeter Size
3/4"
Tweeter Composition
Silk-Suspended Aluminum
Woofer Composition
Mineral-Filled Polypropylene
Woofer Surround
Rubber
RMS Power Handling
35 watts
Total RMS Per Pair/Set
70 watts
Sensitivity
84.5 dB
Frequency Response
64 - 24000 Hz
Impedance (Per Voice Coil)
4 ohm
Voice Coil Diameter
1"
Shallow Mount Installation
No
Magnet Type
Ferrite
Top-Mount Depth (Mounting Depth)
1.81"
Cutout Dimensions
3.7"
General specifications
Marine Certified
No
Hi-Res Certified
No
Color
Black and Yellow
Speaker Grilles
No
Compatible vehicle types
Car/Truck/SUV/Van
What is in the box?
WITB: Speakers
Speakers (2)
Mounting screws (8)
Mounting clips (8)
Speaker connection cables (2)
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

C1-400x

Weight:

2.52lbs

Internal SKU:

c1400x

Internal Product ID:

128787

Customer Ratings & Reviews


JL Audio C1-400x thumbnail image

5 star
75%
4 star
25%
3 star
0%
2 star
0%
1 star
0%



Durability
5
Value
4.9
Features
5
Design
5
Usability
4.9

Customer Reviews

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great product

i recomend it, its made with great material no cheap stuff and sounds amazing.

By jorge on August 12, 2020

36 found this helpful


Love jl audio always a good product .

Good stuff very loud and crisp would buy again for wife's bmw .

By Anonymous on November 26, 2019

34 found this helpful


Great Product!

These were perfect for my little Z3. Now I can ride with the top down and enjoy music. Great sound!

By Anonymous on September 12, 2019 Checkmark Icon Verified purchase

32 found this helpful


Solid

The speaker is what you expect from JL- great quality. Fit as it should. No grills included

By KPM on September 10, 2022

28 found this helpful


Solid

The speaker is what you expect from JL- great quality. Fit as it should. No grills included

By KPM on September 9, 2022

27 found this helpful


By Jack on October 25, 2024 Checkmark Icon Verified purchase

6 found this helpful


Great price for top quality!

JL audio, super nice speakers, cheap affordable super easy to install!

By Chad on December 8, 2024 Checkmark Icon Verified purchase
2016 BMW X3

4 found this helpful


Decent 4" coax

The only thing I had trouble with was putting on the provided terminals. The negative terminal is tiny and narrow. It was difficult to slide onto the connector on the speaker. It kept bending as I was trying to slide it in. Other than that, decent speakers.

By Dennis on September 7, 2024 Checkmark Icon Verified purchase
2002 Porsche 911 Carrera

3 found this helpful




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