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LIMITED WARRANTY
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 material and workmanship under
normal use and service for a period of (1) year when the unit is installed
by an authorized QUANTUM AUDIO dealer. Non-authorized dealer
installed products carry a one (1) year parts and labor limited warranty.
This warranty applies to the original purchase only.
QUANTUM AUDIO will either
Summary of the content on the page No. 2
INTRODUCTION SAFETY PRECAUTIONS Fuse amplifiers power wire at the battery Congratulations on your purchase of a QUANTUM AUDIO state-of-the-art power amplifier. Your 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 Be sure to fuse the power wire within 12” of the car’s battery. This will protect the car’s amplifier in a new system, you are certain to notice immediate perfor
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Line out FEATURES AND BENEFITS Full range line outputs have been provided for convenient connection to additional DC Offset Protection amplifiers in the system. The outputs are buffered to reduce signal loss. Please note that the amplifier’s input level adjusts these level outputs. This circuit protects the output of the amplifier against DC voltage. If for some reason DC voltage is detected at the output stage, the amplifier will shut down protecting the speak- Power Fusing ers from direct c
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POWER CONNECTIONS MOUNTING LOCATION (QCA4400 QCA2500D QCA3500D QCA4500D) Before you start the installation, it will be necessary to find a mounting location for the ampli- SPEAKER OUTPUT fier. Find a location in which the amplifier will receive adequate ventilation in order to FUSES +12V REM GND POWER dissipate the heat it develops during operation. Two popular mounting locations are in the PROTECT trunk or under the seat. 2500 Watts Dynamic Power QCA2500D Class D Monoblock Amplifier Select
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SIGNAL CONNECTIONS SPEAKER CONNECTIONS Connect the RCA output of the head unit (AM/FM cassette player, CD, or DAT) to the IMPORTANT! The following speaker connection are for the amplifier in normal mono RCA input terminals of the amplifier. configuration.Make the speaker connections using speaker wire that is at least 16 gauge or heavier. To make these connections, we recommend high quality RCA cables, which are available at your local car audio retailer. Run signal wires away from electric
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POWER Min Max SPEAKER CONNECTIONS (QCA4400) REMOTE BASS CONTROL MODULE (OPTIONAL) (QCA2500D QCA3500D QCA4500D) Make the speaker connections using speaker wire that is at least 16 Before connecting the remote, it will be necessary to find a mounting location that will be gauge or heavier. easy to access for adjustment. Once you select your mounting location, you will need to run the control wire from the remote to the amplifier. To avoid possibility of induced noise from As with any audio c
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ADJUSTMENTS AND SETTINGS FINE TUNE THE SYSTEM The “Cozmik Series” amplifiers are equipped with built-in variable crossover networks Fine tune the amplifier’s input sensitivity 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 filter out high frequencies. This will The gain sensitivity control for the “Platinum Series
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TROUBLE SHOOTING THE SYSTEM SPECIFICATIONS QCA4400 We have put together this trouble-shooting guide if you experience problems after Input Voltage @ 11 - 14.4 VDC: installing the amplifier. Please keep in mind that the majority of problems incurred are 2500 watts caused by improper installation and not the equipment itself. In addition, there are many Dynamic Power components in the system that could cause various signal problems such as inducted 4 ohm 4 x 400 watts electrical noise and e
