JL Audio C2-400x 用户手册

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Woofer: Injection-molded, Mica-filled, Polypropylene Cone, 
Butyl Rubber Surround, 1 in. Voice Coil on Kapton® Former, 
Flat, Symmetrical Roll Spider, Ferrite Magnet

Tweeter: 0.75 in. (19 mm) Silk Dome, Ferrofluid Cooling / 
Damping, Neodymium Magnet

Crossover: Natural Roll-Off Low-Pass, 1st Order High-Pass 
Filter with Electrolytic Capacitor

Continuous Power Handling: 35 Watts
Recommended Amp Power: 10-50 Watts per channel (RMS)
Efficiency: 84.5 dB @ 1W/1m  |  90.5 dB @ 1W/0.5m
Sensitivity: 87.5 dB @ 2.83V/1m
Nominal Impedance: 4 ohm
Frequency Response: 71 Hz - 22 KHz ± 3 dB

Included Components and Parts:
•  Two C2-400x 4.0-inch (100mm) Coaxial loudspeakers
• Two Grille Assemblies
• Eight #8 x 1-inch (25mm) sheet metal screws
• Eight Mounting Clips
• Two 4x6-inch (100 x 150 mm) Adaptor Plates
• Two 5.2 mm female crimpable connectors
• Two 2.8 mm female crimpable connectors
• Four #8 x 0.315-inch (8 mm) sheet metal screws
• Two self-adhesive JL Audio logo name badges 

GeTTinG sTarTeD 
•Turnofftheaudiosystem.Itisalso

advisabletodisconnectthenegative(–)
terminalofyourvehicle’sbatterywhenever
performinginstallationwork.

•Beforecutting,drillingorinsertinganyscrew,

checkclearancesonbothsidesoftheplanned
mountingsurface.Alsocheckforanypotential
obstacles,suchaswindowtracksandmotors,
wiringharnesses,etc.Checkbothsidesofthe
vehicle,manyvehiclesarenotsymmetrical!

•Alwayswearprotectiveeyewear.

Inmostcases,yourspeakerswillbeplacedinto

factoryspeakerlocations.Ifyouhavesomespeaker
mountingflexibility,keepthefollowinginmind:
Lowermountinglocations,suchasthelowerfront
cornerofadoororakick-panelprovidethegreatest
pathlengthdistancesforthesoundemittedbythe
speakers.Forthisreason,theyaregenerallymore
desirablethanhighermountinglocations.Higher
mountinglocationswillusuallyresultinextreme
near-sidesoundstagebiaswhichcompromisesthe
stereolisteningexperience.