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This manual does not contain all the information about the design, production,
and changes of the equipment, and does not cover all the conditions that may
occur during the installation, use and maintenance.
The information provided in this manual is accurate at the time of delivery of
the equipment, it maybe has been changed because of the product upgrade.
Owner's Manual
Professional Amplifier
QX SERIES
QX2-4000
QX2-6000
QX4-6000
QX4-8000

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Table of Contents
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Summarization of Contents

IMPORTANT SAFETY INSTRUCTIONS
General Safety Precautions
Essential safety guidelines to prevent fire, electric shock, and equipment damage during use.
Preface
Performance Overview
Highlights key features, efficiency, and design aspects of the amplifier.
Manual Usage Guide
Instructions on how to effectively use the information provided in this manual.
Warning Symbols
Explains the meaning of standard warning signs used in the manual.
Maintenance Information Card
Refers to an attached card for documenting equipment repair history.
Installation
Unboxing and Damage Check
Steps for checking equipment upon arrival and reporting shipping damage.
Physical Dimensions
Provides the external measurements of the amplifier unit.
Installation Preparation
Key safety checks and preparations before powering on or installing the amplifier.
Cooling System Operation
Explains the cooling mechanism, operating temperature limits, and dust removal.
Power Cord Safety
Critical safety instruction for proper grounding of the power cord.
Input and Output Connections
Stereo Mode Configuration
Detailed guide for setting up the amplifier in stereo mode with input/output wiring.
Operating Instructions
Speaker Protection Measures
Advice on preventing speaker damage from clipping and sub-acoustic signals.
Operational Considerations
Important points regarding wiring, signal selection, and grounding to avoid issues.
Operation Panel
Front Panel Controls and Indicators
Explains the function of Signal LED, Power LED, Volume, and Power Switch.
Rear Panel Connections and Settings
Covers power input, signal inputs, and gain switch configuration.
Gain and Sensitivity
Mode Switch Functionality
Details the Stereo, Mono, and Bridge mode selection options.
Clipping Limiter Activation
Instructions on how to turn the clipping limiter on or off.
Gain and Sensitivity Adjustment
Guide to setting the amplifier's sensitivity via rear panel switches.
Maintenance
Internal Maintenance and Service Preparation
Covers internal repairs, contacting support, and preparing equipment for service.
Packing Directions
Detailed requirements for packaging to prevent damage during transit.
Warranty and Service Information
Outlines out-of-warranty maintenance, warranty overview, and exclusions.

Table of Contents