JL Audio ClenSweep CL441 dsp User Manual

CleanSweep™ CL441dsp
OEM Interface / Processor
o w n e r ’ s m a n u a l
Thank you for purchasing a JL Audio CleanSweep™
OEM interface / processor for your automotive sound system.
This product 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 CL441dsp
installed by an authorized JL Audio dealer. Your authorized
dealer has the training, expertise and installation equipment to ensure
optimum performance from this product without compromising
your vehicle’s functionality. Due to the complexity of modern vehicle
systems we do not recommend self-installation unless you have
extensive experience in automotive electrical systems.
If you have any questions regarding the instructions in this
manual or any aspect of the product’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 ClenSweep CL441 dsp Specifications

General

Brand	JL Audio
Model	ClenSweep CL441 dsp
Category	Computer Hardware
Language	English

Summary

Owner's Manual Introduction

Product Identification and Safety

Serial Number

Record the product's serial number for service or theft.

Hearing Protection Warning

Advice to operate audio systems responsibly to prevent hearing damage.

Installation Planning and Considerations

Installation Applications

Details on compatible vehicle electrical systems and aircraft use.

Safety Considerations

Guidance on dry environments, avoiding interference with safety equipment, and secure mounting.

Stupid Mistakes to Avoid

Critical installation warnings to prevent damage to vehicle and self.

Product Overview and Features

Input Signal Handling

Accepts analog signals from low-voltage to high-power speaker-level inputs.

DSP Equalization

Utilizes SHARC DSP for 30-band equalization per channel for audio correction.

Calibration Process Overview

Simple process using a calibration CD and button press for automatic analysis.

Audio Outputs and Volume Control

Provides 8V RMS line-level outputs and a master volume control.

Turn-On/Signal Sensing Modes

Supports signal-sensing or 12-volt trigger for powering on aftermarket equipment.

Power and Output Connections

Power Connections Explained

Details on connecting +12V, GND, IGN, and REM.OUT terminals with wire gauge recommendations.

Fuse Requirements

Specifies the 1 Amp inline fuse for the +12V constant wire.

Output Connections Explained

Describes the four RCA-type jacks for analog audio output.

OEM Input Connections

Input Signal Requirements

Requires full-range signals (20 Hz - 20 kHz); crossed-over signals will cause failure.

Auxiliary Input Connections

Connecting Additional Sources

Instructions for connecting auxiliary sources using RCA cables and level trim.

Master Volume Control Mounting

Control Functions and Mounting Procedure

Details on volume control, source switching, LED indicators, and mounting procedures.

Using OEM Volume Control Option

Discusses compromises when using the factory volume control instead of the CL441dsp's.

Creature Comfort Method for Volume

Alternative method for volume adjustment using OEM controls with potential compromises.

Signal Sense Modes

Signal Sense: ON Mode

Device turns on with +12V and input signal; enters standby on signal loss or ignition off.

Signal Sense: OFF Mode

Device turns on with +12V at IGN terminal, regardless of OEM source status.

Calibration Procedure

Calibration and System Operation

Setting Amplifier Sensitivities

Steps to set amplifier input sensitivities after calibration.

Adjusting AUX Input Level Trim

How to trim AUX input levels to match OEM source levels.

EQ Defeat Mode Function

Allows bypassing the CL441dsp's OEM equalization for comparison.

Audiophile Method for System Use

Recommends using the CL441dsp Master Volume Control for all sources.

Channel Status Codes

Green Status Codes Explained

Indicates successful OEM input engagement and EQ status (active or defeated).

Amber Status Codes Explained

Indicates AUX input engaged with no equalization applied.

Red Status Codes Explained

Indicates calibration failure due to signal issues or incorrect input range.

Parts List

Product Specifications

Electrical Specifications

Details power supply, voltage, and current draw for the device.

OEM Input Section Specs

Specifications for OEM input channels, type, range, and level setting.

Aux Input Section Specs

Specifications for AUX input channels, type, range, and level setting.

Digital Specifications

Information on the DSP processor, audio resolution, and EQ capabilities.

Output Section Specs

Specifications for output channels, voltage, impedance, and noise ratio.

Device Dimensions

Physical dimensions of the CL441dsp processor in inches and millimeters.

Installation Notes

Limited Warranty Information

Warranty Terms and Conditions

Details the 90-day/2-year warranty, transferability, and exclusions.

Service Information

Contact details and procedures for obtaining service for JL AUDIO products.

International Warranties

Clarifies that international products are covered by local distributors.