JL Audio Slash 500/1 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 500/1
monoblock subwoofer amplifier
owner’s manual

JL Audio Slash 500/1 Specifications

General

Signal to Noise Ratio	>95 dB
Rated Power (RMS)	500 W
RMS Power at 2 Ohms	500W x 1
Input Sensitivity	200mV - 4V
Dimensions	13.4 in x 9.25 in x 2.36 in
Damping Factor	>500
THD	<0.05%
Fuse Rating	50 A

Summary

Installation and Safety Guidelines

User Safety and Precautions

Important warnings regarding hearing protection and safe installation practices.

Installation Planning and Best Practices

Guidelines for optimal cooling, safe mounting, and avoiding installation errors.

Serial Number Recording

Instructions to record the product's serial number for service or theft.

Product Description and Power Connections

Product Overview

Details the JL Audio 500/1 as a monoblock subwoofer amplifier using Class D technology.

Typical Installation Sequence

Step-by-step guide for installing the amplifier in a vehicle.

Power Connection and Fuse Requirements

Instructions for connecting power and fuse placement for safety.

Amplifier Turn-On and Input Configuration

Turn-On Options Explained

Describes conventional +12V remote and signal sensing turn-on methods.

Amplifier Input Configuration

Details input connections, voltage range, and sensitivity adjustment.

Amplifier Controls and Signal Processing

Crossover Control Functions

Explains the low-pass filter operation, frequency selection, and defeat options.

Preamp Output Configuration

Describes the three output modes for system expansion.

Advanced Bass Control Features

Details the infrasonic filter and parametric equalizer for bass enhancement.

Output, Status, and Service Information

Subwoofer Output Details

Explains the R.I.P.S. design and speaker load connections.

Status Indicator and Protection Lights

Describes the function of Power, Thermal, and Low Ω indicator lights.

Amplifier Servicing and Contact

Guidelines for obtaining service and contacting JL Audio support.

Appendix A: Precise Frequency Selection

Low-Pass Filter Frequency Charts

Table providing precise frequency settings for the amplifier's low-pass filter.

Preamp Filter Frequency Charts

Table for precise frequency selection of the preamp filter.

Infrasonic Filter Frequency Charts

Table for precise frequency settings of the infrasonic filter.

EQ Center Frequency Charts

Table for precise frequency settings of the equalizer.

Appendix B: Input Sensitivity Setting

Input Sensitivity Adjustment Procedure

Step-by-step procedure for adjusting input sensitivity for optimal output.

Appendix C: Master/Slave Configuration

Master/Slave Setup and Control

Guide for connecting multiple 500/1 amplifiers in a master/slave setup.

Appendix D: Troubleshooting Common Issues

Amplifier Power and Output Problems

Diagnosing issues when the amplifier fails to power up or has no output.

Sound Quality and Shutdown Issues

Troubleshooting steps for sound distortion or intermittent shutdowns.

Appendix E: 500/1 Specifications

General and Crossover Specifications

Key specifications including fuse, input, amplifier topology, and crossovers.

Bass Control, Preamp Output, and Dimensions

Details on bass controls, preamp output, and physical dimensions.

Limited Warranty and Service Information

USA Product Warranty Terms

Details the warranty period, coverage, and exclusions for USA products.

Product Service and Return Procedures

Instructions for obtaining service and returning products for warranty claims.

International Warranty Notes

Notes on warranty coverage for products purchased outside the USA.