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JL Audio C1-400x

4" 2-way car speakers

Item # 13699040

After an extensive tour of JL Audio HQ, I got the opportunity to talk to their engineering and...

Find what Fits your car

After an extensive tour of JL Audio HQ, I got the opportunity to talk to their engineering and...

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Item # 13699040

Ships from distributor

In stock
C$115.99 pair

About the JL Audio C1-400x

Starter speakers like no other

After an extensive tour of JL Audio HQ, I got the opportunity to talk to their engineering and development team about the current JL Audio lineup and upcoming projects. Given all the work they're doing with premium car audio, I was surprised by how excited they were for customers to hear their workhorse C1 Series — speakers designed for drivers simply looking for a sensible factory speaker replacement, not necessarily an audiophile-grade solution. The reason for that excitement, once I heard it, made perfect sense — every JL Audio speaker must uphold the quality and sound associated with the name. You may be looking for something that's just listenable, but what you'll get with the C1 Series is an audio experience that puts it at the top of its class. And then, just maybe, you'll end up being a JL Audio fan for life.

Starter speakers like no other

After an extensive tour of JL Audio HQ, I got the opportunity to talk to their engineering and development team about the current JL Audio lineup and upcoming projects. Given all the work they're doing with premium car audio, I was surprised by how excited they were for customers to hear their workhorse C1 Series — speakers designed for drivers simply looking for a sensible factory speaker replacement, not necessarily an audiophile-grade solution. The reason for that excitement, once I heard it, made perfect sense — every JL Audio speaker must uphold the quality and sound associated with the name. You may be looking for something that's just listenable, but what you'll get with the C1 Series is an audio experience that puts it at the top of its class. And then, just maybe, you'll end up being a JL Audio fan for life.

C1-400x

An aluminum edge-driven dome tweeter helps define this C1 speaker's distinctive sound.

What sets C1 apart?

JL Audio designed the C1 Series C1-400x 4" speakers to be the very best they could be for the price. You'll find solid construction and finish, along with some eye-popping flair in its striking yellow mineral-filled polypropylene woofer. That woofer delivers impactful lows and is specially designed for a natural roll-off transition to the highs handled by the tweeter. And it's the aluminum edge-driven tweeter that gives the C1 Series its distinctive sound, setting it apart from other speakers at this price. You'll hear crisp detail in the high frequencies, incredible imaging, and minimal distortion no matter how you power them.

Why no grilles?

Most folks have no use for aftermarket grilles, opting to use their factory grilles for a streamlined look. With that in mind, JL Audio doesn't include grilles with the C1 Series, opting instead to incorporate those savings into building an all-round better speaker.

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Product highlights:

  • 2-way 4" speakers (pair)
  • injection-molded mineral-filled polypropylene woofer cone with rubber surround
  • 3/4" aluminum edge-driven dome tweeter
  • handles up to 35 watts RMS (105 watts peak power)
  • frequency response: 64-24,000 Hz
  • sensitivity: 87.5 dB at 2.83 volts
  • top-mount depth: 1-7/8"
  • grilles not included
  • warranty: 1 year
  • Our 60-day money-back guarantee
  • MFR # 99040

What's in the box:

  • Two 2-way speakers
  • Eight 3/4" Screws (#8)
  • 8 Speed clips
  • Two 0.187" Crimpable female quick slides
  • Two 0.110" Crimpable female quick slides
  • Owner's manual

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More details on the JL Audio C1-400x

Pat M.

Features & specs

General
Speaker Size 4
Design 2-way
Tweeter Design 3/4" Edge-Driven Dome
Impedance (Ohms) 4
Tweeter Composition Aluminum
Woofer Composition Mineral-Filled injection-Molde
Woofer Surround Rubber
Parts Warranty 1 Year
Labor Warranty 1 Year
Specifications
Sensitivity (1W at 1 meter) 84.5
Sensitivity at 2.83 volts 87.5
Frequency Response 64 - 24k Hz
Minimum RMS Wattage 10
Maximum RMS Wattage 35
Peak Power Handling (Watts) 105
Top-mount Depth (Inches) 1 7/8
Bottom-mount Depth (Inches) N/A
Cutout Diameter or Length (inches) 3 11/16
Mounting Height (Inches) 0.617

Product Research

Features

Woofers: Each JL Audio C1 speaker features a mineral-filled, injection-molded polypropylene woofer cone with a rubber surround.

Tweeters: The 3/4" edge-driven, aluminum dome tweeters are damped by a silk surround suspension.

4/2 Hole Compatibility: Most 4" factory speakers use four mounting screws, however, in some vehicles, only two are used. The C1-400x's mounting tabs can be removed, allowing installation in 4-hole or 2-hole applications. Care should be taken handling the speaker after any tabs are removed because the broken edges may be sharp. Please enter your vehicle information to confirm fit.

Power Handling: JL Audio publishes several power specifications for this speaker, 35 watts continuous power handling (RMS), 105 watts peak music power, and 10-50 watts recommended amplifier power (RMS). We've listed the conservative combination of 10-35 watts RMS in the specs table.

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