Quantum Audio QS1500D, QS2150, QS4150, QS4250, QS2250 installation instructions Introduction

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INTRODUCTION

Congratulations on your purchase of a QUANTUM AUDIO state-of-the-art power amplifier. Your selection of a QUANTUM AUDIO product indicates a true appreciation of fine musical reproduction. Whether adding to an existing system or including your Quantum amplifier in a new system, you are certain to notice immediate performance benefits.

KEEP YOUR SALES RECEIPT

Take this time to attach your sales receipt to the manual and put in a safe place. In case of any unforeseen reason this product may need warranty service, your receipt will be necessary to establish purchase date.

RECOMMENDATION

A power amplifier’s performance is only as good as its installation. Proper installation will maximize the system’s overall performance. It is recommended that you have our product installed by an authorized QUANTUM AUDIO retailer. However, if you decide to install it yourself, please carefully read through this manual and take your time to do a quality installation.

Due to continuing product improvements and possible manual revisions, we recommend checking our website for latest product information at www.quantumaudio.net.

IMPORTANT! Before making any connections, disconnect the car’s battery until

the installation is completed to avoid possible damage to the electrical system.

WARNING!

Exposure to high power sound system can cause hearing loss or damage. Listening to your system at loud levels while driving, will impair your ability to hear traffic sounds and emergency vehicles. Use common sense when listening to your system.

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Contents Mosfet Power Amplifiers Introduction Safety Precautions Features and Benefits Line Out Power FusingAdjustable Input Sensitivity Remote Turn-onMounting Location Power Connections Connect the amplifier to the cars batterySignal & Speaker Connections QS2150 & QS2250 Connections Stereo ModeQS2150 & QS2250 Connections Mono Mode QS4150 & QS4250 Connections 4 Channel Mode QS4150 & QS4250 Connections 3 Channel Mode QS4150 & QS4250 Connections 2 Channel Mode QS1500D Connections High Level Connections Optional TWO Channel Connections Common Ground RadioGray Right + Brown Not Used Black Ground Remote Bass Control Module QS1500D Adjusting the Crossover and Bass Fine Tune the SystemTrouble Shooting the System Look for SolutionSpecifications QS4150Limited Warranty