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JL Audio C1-400x

100W Peak (70W RMS) 4" C1 Series 2-Way 4-ohm Coaxial Car Speakers

JL Audio
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• 50 watts Peak Each, 35 watts RMS Each
• 0.75" Silk-suspended aluminum Edge-Driven Dome Tweeters
• Mica Injected Polypropylene - MIPP cone material
• Impedance: 4 ohm
• Sensitivity: 87.5 dB

Learn more about the c1400x
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$99.99

/pair  with warranty

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Description


JL Audio brand icon

Authorized dealer

JL Audio C1-400x

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

To facilitate fit, breakaway mounting tabs on the woofer frame allow the C1-400x to be installed in four-hole or two-hole mounting configurations.

C1 woofer drivers benefit from proprietary FEA modeling and JL Audio's expertise in low-frequency driver design. This knowledge is used to create speakers that can play loudly, while maintaining a smooth, dynamic, low distortion sound. At the core of the C1-400x is a proprietary, stamped, steel 4-inch (100 mm) frame and a DMA-optimized motor system. A mineral-filled, injection-molded polypropylene cone is suspended with a rubber surround on the front, and a carefully engineered spider at the top of the voice coil, to precisely control motion and prevent impact between the voice coil and the back plate. Tinsel leads are carefully routed and attached to the spider to prevent fatigue and buzzing. These are the same kinds of features and materials normally found on much more expensive loudspeakers.

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.

When it comes to value, C1 is the real deal!

Product Details:

  • 4" C1 Series 2-way Coaxial Car Speakers
  • Power Handling:
    • Peak: 100 watts per pair / 50 watts each
    • RMS: 70 watts per pair / 35 watts each
  • Mica Injected Polypropylene - MIPP cone material
  • Rubber-Positive Roll speaker surround
  • 0.75" Silk-suspended aluminum Edge-Driven Dome Tweeters
  • 1" Voice coil
  • Ferrite magnet motor structure
  • Crossover: Natrual roll-off low-pass, 1st order high-pass filter with electrolytic capacitator
  • Top-mount Depth: 1.81"
  • Cutout Dimensions: 3.7"
  • Impedance: 4 ohm
  • Frequency Response: 64 - 24000 Hz
  • Sensitivity: 87.5 dB
  • Authorized Internet Dealer
  • MFR #: C1-400x
  • 1-year Manufacturer's Warranty

  • Priced Per Pair

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
0.75"
Tweeter Composition
Silk-suspended aluminum
Woofer Composition
Mica Injected Polypropylene - MIPP
Woofer Surround
Rubber-Positive Roll
Peak Power Handling
50 watts
RMS Power Handling
35 watts
Total PEAK Per Pair/Set
100 watts
Total RMS Per Pair/Set
70 watts
Sensitivity
87.5 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
Speaker Grilles
No
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



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

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.

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

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

27

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

26

found this helpful.

By Jack on October 25, 2024 Checkmark Icon Verified purchase

5

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

3

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

2

found this helpful.


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