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proper use of this unit, please make sure to read the owner's manual carefully before 
operating and keep it for future reference.

KEEP YOUR SALES RECEIPT

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

RECOMMENDATION

maximize the system’s overall performance. It is recommended that you have our 
product installed by an authorized Quantum retailer. If you decide to install it yourself, 
please carefully read through this manual and take your time to do a quality install-
tion.   Due to continuing product improvements and possible manual revisions, we 
recommend checking our website for the latest product information at: 

IMPORTANT!

 Before making any connections, disconnect the vehicle’s battery until 

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

AMPLIFIER

1

14

www.quantumxaudio.com 

Monoblock Amplifier

 Model

*QPX2000.1M

 Model

QPX3000.1D

 Model

QPX2500.1D

 Model

QPX5000.1D

 Model

QPX4000.1D

Specifications:

 
Class D Monoblock Amplifier 
1

 

 Stable capability

Amber-Glow Logo Badge
Audiophile Grade Components
Speaker Short Circuit Protection
High Efficiency Mosfet Design
12 dB Variable Low Pass X-over

*

2

 Stable

 

12 dB Variable Bass Boost
12 dB Variable Subsonic Filter 15Hz - 55Hz
Variable Phase Shift
Double Sided PCB
Q Link Master/ Slave Technology @ 2

Bass Remote Included

QPX2000.1M    QPX2500.1D    QPX3000.1D    QPX4000.1D    QPX5000.1D

3000 Watts 

1 X 3000 Watts 

@

 

1Ω

  Mono

  

1 X 1500 Watts 

@

 2

  Mono

12dB 
>90dB

15Hz - 55Hz 
25Hz-250Hz

 

0-12db   

 

0-180 degree
10Hz - 220Hz
1% <0.1%
200mV -  6V  

 

 

2500 Watts 

1 X 2500 Watts 

@

 

1Ω

  Mono

  

1 X 1250 Watts 

@

 2

  Mono

12dB 
>90dB

0 Hz - 50 Hz   

50 Hz - 220 Hz 
@ 45    

 

<0.5%
200mV -  6V  

 

 

2000 Watts

 

1 X2000 Watts

 

@

 

2

Ω  Mono

   

1 X 1000 Watts

 

@

 

4

  Mono

>90dB

15Hz - 55Hz 
40Hz-300Hz

0-12db   

 

0-180 degree
10Hz - 220Hz
1 % <0.1%
200mV-6V 

 

4000 Watts 

1 X 4000 Watts

 @ 

1

Ω  Mono

   

1 X 2000 Watts @ 2

Ω  Mono

>90dB

15Hz - 55Hz 
25Hz-250Hz

 

0-12db      
0-180 degree
10Hz - 220Hz
1 % <0.1%
200mV -  6V   
 

5000 Watts 

1 X 5000 Watts 

1

Ω  Mono

1 X 2500 Watts

 @ 

2

Ω  Mono

>90dB

15Hz - 55Hz 
25Hz-250Hz

 

0-12db      
0-180 degree
10Hz - 220Hz
1 % <0.1%
200Mv -  6V 

  

 

Features: 

Dynamic Power:

X-over Slope: 
Signal to Noise ratio:

Variable Subsonic Filter:
Low Pass Crossover:

Bass Boost @ 45Hz: 
Phase Shift Control:
Frequency Response
THD at Rated Power:
Input Sensitivity: 
 

Dynamic Power:

Signal to Noise ratio:

Variable Subsonic Filter:
Low Pass Crossover:

Bass Boost @ 45Hz: 
Phase Shift Control:
Frequency Response
THD at Rated Power:
Input Sensitivity: 
 

INTRODUCTION

Summary of Contents for QPX2000.4

Page 1: ...78550 phone 877 787 0101 fax 956 421 4513 www quantumaudio net support dbdrive net QPX1200 2 QPX2000 1M QPX2500 1D QPX3000 1D QPX4000 1D QPX5000 1D QPX2000 4 QPX2800 4 MODEL 1 1 Year Year TM Feel the Rush AMPLIFIER TM TM TM TM TM Quantumaudio net ...

Page 2: ...Badge Audiophile Grade Components Speaker Short Circuit Protection High Efficiency Mosfet Design 12 dB Variable Low Pass X over 2Ω Stable 12 dB Variable Bass Boost 12 dB Variable Subsonic Filter 15Hz 55Hz Variable Phase Shift Double Sided PCB Q Link Master Slave Technology 2Ω Bass Remote Included QPX2000 1M QPX2500 1D QPX3000 1D QPX4000 1D QPX5000 1D 3000 Watts 1 X 3000 Watts 1Ω Mono 1 X 1500 Watt...

Page 3: ...3600 watts 4 x 180 watts 4Ω Stereo 4 x 360 watts 2Ω Stereo 2 x 600 watts 4Ω Bridged 20Hz 250 Hz 20Hz 250 Hz 50Hz 250 Hz 20Hz 250 Hz 20Hz 250 Hz 50Hz 250 Hz 12 dB 0 12dB 0 12dB 285Mv 6V 90dB 0 5 Dynamic Power Ch 1 2 High Pass Crossover Ch 3 4 High pass Crossover Ch 3 4 Low pass Crossover X over Slope Bass Boost 45Hz Input Sensitivity Signal to Noise ratio THD at Rated Power Dynamic Power Ch 1 2 Hig...

Page 4: ... Caution can handle such a large amount of power QLink lnput Connection Monoblock Amplifier QLink Power and Speaker Connection MASTER UNIT To MASTER SLAVE Amplifier PROTECT POWER REMOTE PHASE LEVEL LOW PASS SUB SONIC BASS BOOST INPUT L R SLAVE IN MASTER OUT MODE MASTER OUT 0 180 25Hz 250Hz 15Hz 55Hz 0dB 12dB MIN MAX Crossover Controls 4000 1D Monoblock Amplifier PROTECT POWER REMOTE PHASE LOW PASS...

Page 5: ...O AMPLIFIERS MONOBLOCK AMPLIFIERS Single Amp Input Connection Speakers Connections RCA Connections Monoblock PROTECT POWER REMOTE PHASE LOW PASS SUB SONIC BASS BOOST INPUT L R SLAVE IN MASTER OUT SLAVE IN MODE 0 180 25Hz 250Hz 15Hz 55Hz 0dB 12dB MIN MAX Crossover Controls 4000 1D Monoblock Amplifier PROTECT POWER REMOTE PHASE LEVEL LOW PASS SUB SONIC BASS BOOST INPUT L R SLAVE IN MASTER OUT SLAVE ...

Page 6: ...ator ground connections Make sure they are properly connected and free of corrosion 2 Before selecting a mounting location for ampl r please take some concerns into consideration with cooling e ency and safety 3 Power connection Before installing ampl r disconnect the negative wire from battery to protect any accidental damage to your ampli and System This Ampl r is designed to use 4 AWG POWER and...

Page 7: ...L LOW PASS SUB SONIC BASS BOOST INPUT L R SLAVE IN MASTER OUT SLAVE IN MODE MASTER OUT 0 180 25Hz 250Hz 15Hz 55Hz 0dB 12dB MIN MAX Crossover Controls 4000 1D Monoblock Amplifier QPX 2000 4 4 Channel Amplifier CH2 INPUT CH1 INPUT CH3 OUTPUT CH1 CH2 CH4 CH3 CH4 Crossover Controls FILTER HPF LP BP HPF LPF FULL GAIN BASS BOOST 20Hz 0dB 6dB 12dB 250Hz 50Hz 250Hz MIN MAX CH1 CH2 Crossover Controls PRT P...

Page 8: ... FUSE SPEAKER OUTPUT GND REM 12V INPUT POWER BRIDGED CH3 CH1 CH4 CH2 System 2 Bridged Connection Subwoofer 2000 4 4 Channel Amplifier CH2 INPUT CH1 INPUT CH3 OUTPUT CH1 CH2 CH4 CH3 CH4 Crossover Controls FILTER HPF LP BP HPF LPF FULL GAIN BASS BOOST 20Hz 0dB 6dB 12dB 250Hz 50Hz 250Hz MIN MAX CH1 CH2 Crossover Controls PRT PWR FILTER HPF HPF FULL 20Hz MIN MAX 250Hz GAIN 2000 4 4 Channel Amplifier F...

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