JL Audio E4300 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 and extended warranty
coverage, 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 the JL Audio Technical Support Department at
(954) 443-1100 during business hours (Eastern Time Zone).
JL AUDIO e4300
four-channel full-range amplifier
owner’s manual

JL Audio E4300 Specifications

General

Brand	JL Audio
Model	E4300
Category	Car Amplifier
Language	English

Summary

Installation Applications

Planning Your Installation

Considerations for installing the amplifier, including cooling and safety.

Safety Considerations

Ensuring the amplifier is installed in a dry, well-ventilated environment, away from safety equipment.

Stupid Mistakes to Avoid

Warnings about drilling into vehicle systems, routing wires, and mounting locations.

Product Description

Typical Installation Sequence

Power Connections

Amplifier Controls

Filter Controls

Explanation of low-pass and high-pass filters and their frequency selection.

Input Section

Turn-On Lead

Details on how to connect the remote turn-on lead for amplifier activation.

Speaker Outputs

Bass Boost Controls

Pre-Outs

Bridging Considerations

System Configurations

Bi-Amplified System Basics

Defines bi-amplified systems and their driving of LF/HF speakers with separate filtering.

Amplifier Status Indicator Lights / Protection Circuitry

Servicing Your JL Audio Amplifier

Bi-Amplified System with One e4300 in Four-Channel Mode and a Separate Subwoofer Amplifier

Appendix A: Input Sensitivity Level Setting

Appendix B: Precise Frequency Selection Chart

Appendix C: e4300 Specifications

Appendix D: Trouble Shooting

Common Troubleshooting Scenarios

Addresses issues like no turn-on, distorted sound, shutdowns, and output fluctuations.

Limited Warranty - Amplifiers (USA)