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
standards in order to ensure years of musical enjoyment in your vehicle.
For maximum performance, we highly recommend that you have
your new amplifier installed by an authorized JL Audio dealer. Your
authorized dealer has the training, expertise and installation equipment
to ensure optimum performance from this product. Should you
decide to install the amplifier yourself, please take the time
to read this manual thoroughly so as to familiarize yourself
with its installation requirements and setup procedures.
If you have any questions regarding the instructions in this
manual or any aspect of your amplifier’s operation, please contact your
authorized JL Audio dealer for assistance. If you need further assistance,
please call our Technical Support Department
at (954) 443-1100 during business hours.
OWNER’S MANUAL
320W 4-Channel, Full-Range Amplifier

Summary

PLANNING YOUR INSTALLATION

PRODUCT DESCRIPTION

TYPICAL INSTALLATION SEQUENCE

Step-by-step guide for installing the amplifier in a vehicle.

POWER CONNECTIONS

INPUT SECTIONS

TURN-ON LEAD

FILTER CONTROLS

BRIDGING CONSIDERATIONS

AMPLIFIER STATUS INDICATOR LIGHTS & PROTECTION CIRCUITRY

APPENDIX A: Input Sensitivity Level Setting

The Nine-Step Procedure

Step-by-step guide for setting input sensitivity levels correctly.

APPENDIX B: J2-320.4 Specifications

APPENDIX C: TROUBLESHOOTING

How do I properly set the input sensitivity on my amplifier

Steps to set input sensitivity for optimal clarity and gain.

My amplifier doesnt turn on

My amplifiers output fluctuates when I tap on it or hit a bump

My amplifier turns on, but there is no output

JL Audio J2320.4 Specifications

General

Brand	JL Audio
Model	J2320.4
Category	Car Amplifier
Language	English