Quantum Audio QCA4400 manual

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Table of contents for the manual

  • Page 1

    Instruction Manual • Installation Instructions / Owner’s Manual • Due to continuous improvement of the product the Specifications are subject to change without notice. LIMITED W ARRANTY QUANTUM AUDIO warrants any products purchased in the U.S.A. from an authorized QUANTUM AUDIO dealer . All products are warranted to be free from defects in ma[...]

  • Page 2

    I NTRODUCTION Congratulations on your purchase of a QUANTUM AUDIO state-of-the-art power amplifier . Y our selection of a QUANTUM AUDIO car audio product indicates a true appreciation of fine musical reproduction. Whether adding to an existing system or including your DB Drive amplifier in a new system, you are certain to notice immediate performan[...]

  • Page 3

    Line out Full range line outputs have been provided for convenient connection to additional amplifiers in the system. The outputs are buf fered to reduce signal loss. Please note that the amplifier ’s input level adjusts these level outputs. Power Fusing This protects the amplifier against short circuits and excessive current. Remote Turn-on Auto[...]

  • Page 4

    5 6 SPEAKER OUTPUT FUSES +12V REM GND POWER PROTECT 2500 Watts Dynamic Power Class D Monoblock Amplifier QCA2500D 4500 Watts Dynamic Power Class D Monoblock Amplifier QCA4500D M OUNTING LOCA TION Before you start the installation, it will be necessary to find a mounting location for the ampli- fier . Find a location in which the amplifier will rece[...]

  • Page 5

    S IGNAL CONNECTIONS Connect the RCA output of the head unit (AM/FM cassette player , CD, or DA T) to the RCA input terminals of the amplifier . T o make these connections, we recommend high quality RCA cables, which are available at your local car audio retailer . Run signal wires away from electrical wires to avoid possibility of induced noise fro[...]

  • Page 6

    S PEAKER CONNECTIONS (QCA4400) Make the speaker connections using speaker wire that is at least 16 gauge or heavier . As with any audio component, proper phasing of the amplifier and speakers is essential for strong bass response. When connecting, make sure that positive (+) from the amplifier is connected to the positive (+) of the speaker , and t[...]

  • Page 7

    A DJUSTMENTS AND SETTINGS The “Cozmik Series” amplifiers are equipped with built-in variable crossover networks allowing you to select the crossover mode (i.e. Low-Pass/Full/High-Pass or On/Off) and the desired crossover point. For example if you wish to drive a pair of subwoofers, you can select the “Low Pass” setting on the amplifier to f[...]

  • Page 8

    T ROUBLE SHOOTING THE SYSTEM We have put together this trouble-shooting guide if you experience problems after installing the amplifier . Please keep in mind that the majority of problems incurred are caused by improper installation and not the equipment itself. In addition, there are many components in the system that could cause various signal pr[...]