JL Audio Slash 250/1 - 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 250/1
monoblock subwoofer amplifier
owner’s manual

Summary

Safety and Installation Planning

Hearing Protection Warning

Installation Safety and Planning

Covers crucial installation considerations, safety precautions, and avoiding common mistakes.

Product Description and Core Installation

Installation Sequence and Power Connections

Step-by-step guide for installation, including power wire connections and fuse requirements.

Amplifier Operation and Input

Amplifier Turn-On Options

Explains how to turn the amplifier on using a remote lead or signal sensing.

Amplifier Input Section

Signal Processing Controls

Crossover and Low-Pass Filter Controls

Preamp Output and Bass Control Sections

Output, Indicators, and Service

Subwoofer Output and Impedance Handling

Status Indicators and Amplifier Servicing

Technical Appendices

Appendix B: Input Sensitivity Level Setting

Step-by-step guide for setting input sensitivity for maximum unclipped output.

Advanced Configurations

Appendix C: Master;Slave Configurations

Troubleshooting and Notes

Appendix D: Troubleshooting Common Issues

Addresses common problems like no turn-on, distorted sound, or no output.

Specifications

Appendix E: 250;1 Specifications

JL Audio Slash 250/1 Specifications

General

Brand	JL Audio
Model	Slash 250/1
Category	Car Amplifier
Language	English