JL Audio E6450 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 e6450
six-channel full-range amplifier
owner’s manual

JL Audio E6450 Specifications

General

Channels	6
THD+N	<0.03% @ 4Ω
Rated Power (RMS)	75W x 6 @ 4Ω
Damping Factor	> 150
Input Voltage Range	200 mV - 4 V RMS
Dimensions	340mm x 240mm x 60mm
Crossover	Variable high-pass and low-pass

Summary

Installation and Safety Guidelines for e6450

Hearing Protection Warning

Installation Planning and Safety

e6450 Amplifier Installation and Power

Power Wiring, Fusing, and Grounding

Details on connecting power wires, fuse requirements, and grounding.

e6450 Input and Control Functions

Input Section Connection Options

Input Sensitivity Adjustment Procedure

How to match source unit output to amplifier input for optimal performance.

Filter Controls Explained

Details on using HPF/LPF filters and frequency selection.

e6450 Amplifier Features and Indicators

Speaker Output Load and Bridging

System Configuration with e6450

Bi-Amplified System Overview

Bi-Amplified Input Configurations

Bi-Amp Crossover Setup

e6450 Technical Appendices

Input Sensitivity Level Setting

Detailed procedure for setting input sensitivity.

e6450 Amplifier Specifications

Lists all technical specifications for the amplifier.

e6450 Troubleshooting Guide

No Power or No Sound Output

Guides on diagnosing amplifier not turning on or producing sound.

Sound Quality Issues

Addresses distortion, attenuation, and fluctuating output.

Amplifier Protection and Shutdowns

Explains causes for thermal shutdown or protection mode activation.