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OWNER’S MANUAL

4-inch (100 mm) Coaxial Loudspeakers

Thank you for choosing JL Audio loudspeakers for  

your automotive sound system. 

We strongly recommend that you have your new loudspeakers installed by 

an authorized JL Audio dealer. Your authorized dealer has the training, 

expertise and installation equipment to ensure  

optimum performance of these loudspeakers in your vehicle. 

If you decide to install the loudspeakers yourself, please read this manual 

thoroughly to familiarize yourself with their installation  

requirements and setup procedures.

Should you have any questions regarding the instructions in this manual, 

please contact your authorized JL Audio dealer for assistance, or call the 

JL Audio Technical Support Department at (954) 443-1100  

during business hours (USA - Eastern Time Zone).

Summary of Contents for C1-400 series

Page 1: ...ion equipment to ensure optimum performance of these loudspeakers in your vehicle If you decide to install the loudspeakers yourself please read this manual thoroughly to familiarize yourself with their installation requirements and setup procedures Should you have any questions regarding the instructions in this manual please contact your authorized JL Audio dealer for assistance or call the JL A...

Page 2: ...elopment all specifications are subject to change without notice Coaxial Physical Dimensions Frame Outer Diameter A 4 03 in 102 mm Mounting Hole Diameter B 3 70 in 94 mm Tweeter Protrusion C 0 61 in 16 mm Motor Outer Diameter D 2 33 in 59 mm Mounting Depth E 1 81 in 46 mm ...

Page 3: ...able connectors Two 2 2 8 mm female crimpable connectors GETTING STARTED Turn off the audio system It is also advisable to disconnect the negative terminal of your vehicle s battery whenever performing installation work Before cutting drilling or inserting any screw check clearances on both sides of the planned mounting surface Also check for any potential obstacles such as window tracks and motor...

Page 4: ... air leaks with an automotive grade sealant material WARNING Hand tighten the screws evenly in a criss cross pattern to avoid bending the speaker frame or stripping the mounting screws INSTALLATION OVERVIEW C1 speakers are designed for installation into OEM speaker locations mounted behind factory panels grilles Depending on the equipment used or design of your audio system you may use the factory...

Page 5: ...5 DIAGRAM A 4 hole Speaker Installation DIAGRAM B 2 hole Speaker Installation ...

Page 6: ...mitations on implied warranties therefore these exclusions may not apply to you This warranty gives you specific legal rights and you may also have other rights which vary from state to state If you need service on your JL AUDIO product All warranty returns should be sent to JL AUDIO freight prepaid through an authorized JL AUDIO dealer and must be accompanied by proof of purchase a copy of the or...

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