Quantum Audio QS4150, QS2150, QS1500D, QS4250, QS2250 installation instructions Mounting Location

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MOUNTING LOCATION

Before you start the installation, it will be necessary to find a mounting location for the amplifier. Find a location in which the amplifier will receive adequate ventilation in order to dissipate the heat it develops during operation. Two popular mounting locations are in the trunk or under the seat.

Select the location in which you wish to mount the amplifier. Use caution when mounting amplifier, there are many wires, gas lines, vacuum lines, brake lines as well as a gas tank in the automobile. Make sure you know where they are when mounting the amplifier to avoid puncturing lines, shorting wires or drilling holes in the gas tank. Once you are ready, use a pencil to mark the mounting holes in the bottom panel. After you have marked the locations of the holes move amplifier out of the way and drill small starter holes to make the tapping screws easier to install. Use provided screws to tighten down the amplifier.

R

L

ch3-4 ch1-2

LINE INPUT

+ - GND - + LEVEL

BASS

HPF

LPF X-OVER

EQ

 

 

 

 

 

 

full hpf

ch3 ch4

 

 

 

 

 

 

HI

5v

.2v

0dB 12dB

60Hz 1.2KHz

30Hz 250Hz

lpf

 

INPUT

 

 

 

 

 

full hpf

ch1 ch2

 

 

 

 

 

 

+ - GND - +

5v

.2v

0dB 12dB

60Hz 1.2KHz

30Hz 250Hz

lpf

 

2 3 4

MODE

OUTPUT

5

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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