JL Audio G6600 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

JL Audio G6600 Specifications

General

Number of Channels	6
Crossover Slopes	12 dB/octave
THD at Rated Power	<0.03%
Damping Factor	>200
Input Sensitivity	200mV - 4V RMS

Summary

Planning Your Installation

Safety Considerations

Important safety precautions for amplifier installation and vehicle operation.

Stupid Mistakes to Avoid

Input Section

Input Voltage Range

Input Sensitivity Controls

How to adjust amplifier input gain for optimal sound output.

Amplifier Status Indicator Lights & Protection Circuitry

System Configurations

Bi-Amplified Systems

Appendix A: Input Sensitivity Level Setting

Nine-Step Procedure

A detailed step-by-step guide for adjusting input sensitivity.

Appendix D: Troubleshooting

Amplifier Doesn't Turn On

Troubleshooting steps for an amplifier that fails to power up.

Distorted or Attenuated Sound

Fluctuating Output on Impact

Shuts Off at Higher Volumes

Diagnosing shutdown issues, often related to voltage or grounding.

No Output When Turned On