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.
Features and Specs
|Tweeter Design||3/4" Edge-Driven Dome|
|Woofer Composition||Mineral-Filled injection-Molde|
|Parts Warranty||1 Year|
|Labor Warranty||1 Year|
|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||50|
|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|
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 lists two power figures in the manual; 35 watts continuous power handling and recommended amp power 10-50 watts RMS. We've listed the RMS power recommendation in the specs table.
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