Jl-audio J2320.4 User Manual

Thank you for purchasing a JL Audio amplifier for your automotive sound system. Your amplifier has been designed and manufactured to exacting standar

18 JL Audio 19INSTALLATION NOTES: INSTALLATION NOTES:

LIMITED WARRANTY  AMPLIFIERS USAJL Audio warrants this product to be free of defects in materials and workmanship for a period of one (1) year from

2 JL Audio 3PLANNING YOUR INSTALLATIONIt is important that you take the time to read this manual and that you plan out your installation carefull

4 JL Audio 5POWER CONNECTIONSBefore installing the amplifier, disconnect the negative (ground) wire from the vehicle’s battery. This will prevent

6 JL Audio 7 Make sure you observe correct polarity in making the “High Level Input” connections. Failure to do so will reduce bass and affect ste

8 JL Audio 9“BASS BOOST” CONTROLSEach channel pair of the J2-320.4 includes a single band, boost-only bass equalizer controlled by a rotary knob m

10 JL Audio 11AMPLIFIER STATUS INDICATOR LIGHTS & PROTECTION CIRCUITRYThere are two status indicator lights on the control panel of the ampli

12 JL Audio 13APPENDIX B:J2-320.4 SpecificationsGeneral Specifications:Recommended Fuse Value: 60ARecommended Fuse Type: AFS, AGU or MaxiFuse™ a

14 JL Audio 15“My amplifier turns on, but there is no output” Check the input signal using an AC voltmeter to measure the voltage from the sourc

16 JL Audio 17INSTALLATION NOTES:Use this diagram to document your amplifier’s switch and control positions.HP | Off | LPFilter ModeHigh-PassLow-P