JL Audio NexD XD700/5 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 the JL Audio Technical Support Department
at (954) 443-1100 during business hours.
OWNER’S MANUAL
700W 5-Channel Amplier with 2-Way / 3-Way Crossover

JL Audio NexD XD700/5 Specifications

General

Amplifier Class	Class D
Channels	5
Total Power Output	700 W
RMS Power (4 Ohms)	75 W x 4 + 300 W x 1
Bridged RMS Power (4 Ohms)	200 W x 2
Input Sensitivity	200 mV - 4 V
Damping Factor	> 200
Crossover	Variable Low Pass/High Pass

Summary

Planning Your Installation

Cooling Efficiency Considerations

Discusses the importance of airflow for amplifier cooling and heat dissipation.

Installation Safety Precautions

Highlights essential safety precautions for amplifier installation in a vehicle.

Common Installation Mistakes to Avoid

Lists common installation errors to prevent vehicle damage or personal injury.

Status LED and Protection Circuitry

Flashing Green LED Status

Indicates amplifier is powering up with audio muted.

Constant Green LED Status

Shows amplifier is on and functioning normally.

Constant Red LED Status

Signals amplifier overheating and entering protection mode.

Constant Amber LED Status

Indicates over-current condition or short circuit.

LED Off and Unexpected Shutdown

Explains conditions leading to complete amplifier shutdown.

System Configuration Options

Bi-Amplified System Setup

Defines bi-amplified systems and their application in mobile audio.

Appendix A: Input Sensitivity Setting

Required Equipment for Sensitivity Setting

Lists the necessary tools for adjusting amplifier input sensitivity.

Procedure for Setting Input Sensitivity

Provides a step-by-step guide to properly adjust input sensitivity for optimal output.

Appendix C: XD700/5 Specifications

Input and Amplifier Section Details

Details amplifier topology, power supply, and input specifications.

Power Ratings and Frequency Response

Lists power output ratings and audio frequency response.

Crossover Filters and Damping Factor

Describes crossover filter types and damping factor specifications.

Amplifier Dimensions

Provides the physical dimensions of the amplifier.

Appendix D: Troubleshooting Guide

Troubleshooting No Power or Turn-On

Guides on diagnosing why the amplifier is not powering up.

Troubleshooting Speaker Output Issues

Addresses common speaker output issues like popping, ticking, or fluctuation.