We are a JL Audio authorized dealer so you get up-to-date, fully warrantied products. Shipping is free to the lower 48 states on everything you order!
Upgrade your factory audio system with the JL Audio C1-400X 4-inch coaxial speakers, featuring a 3/4-inch aluminum edge-driven tweeter for crisp highs and outstanding detail. Combined with a mineral-filled polypropylene woofer, these speakers deliver clear vocals, balanced mids, and surprisingly rich sound, making every drive more enjoyable.
Designed for excellent performance with factory and aftermarket head units, the JL Audio C1-400X features high sensitivity for louder, cleaner sound without requiring excessive power. Its shallow mounting depth allows for easy installation in tight factory locations, making it an ideal OEM speaker replacement.
Engineered with durable rubber surrounds and premium JL Audio construction, the C1-400X is built to provide years of dependable performance. With 35 watts RMS power handling and excellent efficiency, these compact coaxial speakers deliver cleaner sound, greater clarity, and a significant upgrade over factory speakers.
| JL Audio 4-Inch Coaxial Speaker Comparison | |
|---|---|
 JL Audio C1-400X 4" 2-Way Coaxial Speaker System BEST VALUE
|
 JL Audio C2-400X 4" 2-Way Coaxial Speaker System BEST SOUND QUALITY
|
Choose the JL Audio C1-400X if: You want the best value, are replacing factory speakers, and plan to power them directly from a factory or aftermarket head unit.
Choose the JL Audio C2-400X if: You prioritize sound quality, smoother highs, better vocal reproduction, and may add an amplifier in the future.
Bottom Line: Both speakers handle 35W RMS and work well as factory replacements, but the C2-400X delivers noticeably smoother and more refined sound quality thanks to its upgraded silk dome tweeter and improved woofer design. The C1-400X remains the better budget-friendly choice.
Features:
Specification:
Way better than those stock ones. They added some serious clarity to my sound system. The build is solid, and the sound is excellent and it gets crazy loud. And you won't believe the price! Beats any factory speakers hands down. Awesome sound on a budget.
Love how affordable these speakers are. It was hard to save up for an JL audio before but thanks to the c1 series, theyre really lower cost, and the sound quality is still way better than other brands. Clarity and power, can’t really ask for more with these c1 speakers
It's cheaper than the JL Audio products I've tried before and it's a bit a tinier too but still it has that signature sound that makes me a huge fan of JL Audio. better than the stock speakers of my Bronco too
We are a JL Audio authorized dealer so you get up-to-date, fully warrantied products. Shipping is free to the lower 48 states on everything you order!
Upgrade your factory audio system with the JL Audio C1-400X 4-inch coaxial speakers, featuring a 3/4-inch aluminum edge-driven tweeter for crisp highs and outstanding detail. Combined with a mineral-filled polypropylene woofer, these speakers deliver clear vocals, balanced mids, and surprisingly rich sound, making every drive more enjoyable.
Designed for excellent performance with factory and aftermarket head units, the JL Audio C1-400X features high sensitivity for louder, cleaner sound without requiring excessive power. Its shallow mounting depth allows for easy installation in tight factory locations, making it an ideal OEM speaker replacement.
Engineered with durable rubber surrounds and premium JL Audio construction, the C1-400X is built to provide years of dependable performance. With 35 watts RMS power handling and excellent efficiency, these compact coaxial speakers deliver cleaner sound, greater clarity, and a significant upgrade over factory speakers.
| JL Audio 4-Inch Coaxial Speaker Comparison | |
|---|---|
| JL Audio C1-400X 4" 2-Way Coaxial Speaker System BEST VALUE
|
JL Audio C2-400X 4" 2-Way Coaxial Speaker System BEST SOUND QUALITY
|
Choose the JL Audio C1-400X if: You want the best value, are replacing factory speakers, and plan to power them directly from a factory or aftermarket head unit.
Choose the JL Audio C2-400X if: You prioritize sound quality, smoother highs, better vocal reproduction, and may add an amplifier in the future.
Bottom Line: Both speakers handle 35W RMS and work well as factory replacements, but the C2-400X delivers noticeably smoother and more refined sound quality thanks to its upgraded silk dome tweeter and improved woofer design. The C1-400X remains the better budget-friendly choice.
