Instruction/ maintenance manual of the product QCA4400 Quantum Audio
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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.
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.
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.
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 .
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 .
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.
A DJUSTMENTS AND SETTINGS The “Cozmik Series” amplifiers are equipped with built-in variable crossover networks allowing you to select the crossover mode (i.
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.
An important point after buying a device Quantum Audio QCA4400 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Quantum Audio QCA4400 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Quantum Audio QCA4400 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Quantum Audio QCA4400 you will learn all the available features of the product, as well as information on its operation. The information that you get Quantum Audio QCA4400 will certainly help you make a decision on the purchase.
If you already are a holder of Quantum Audio QCA4400, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Quantum Audio QCA4400.
However, one of the most important roles played by the user manual is to help in solving problems with Quantum Audio QCA4400. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Quantum Audio QCA4400 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
