AMPLIFIER
5
10
The Quantum
QPX2000.4
and
QPX2800.4
are equipped with a built in variable crossover
network allowing you to select the crossover function and frequency for each the
from low bass or the option to run your speakers full range.
Channels 3 and 4 allow the user to select a High pass, Low Pass or full range signal
to the loud speakers.
Channels 1 & 2
Crossover Selections
High Pass
Adjustments
High Pass
Adjustments
Low Pass
Adjustments
Channels 3 & 4
Crossover Selections
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
4 Channel Stereo Amplifiers
Built -in Crossover
It is important that you read this manual very carefully and follow it for your installation carefully.
Before you start your installation,please consider following concerns.
1
. Disconnect the negative (-) battery cable before mounting the ampl
r or ma king any connections.
Check the battery and alternator 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 GROUND
cables.
4
. Ground connection
Locate a secure grounding connection as close to the ampli r as possible. Make sure the location is
clean and provides a direct electrical connection to the frame of the vehicle.Connect one end of a
short piece of the same size cables as the power cable to the grounding point.Run the other end
of the cable to the ampli
loc ation. Connecting the ground cable to the screw terminal
labeled as GND.
5
. Remote connection
Run a remote turn on cable from the sw12V source you will be using to turn on the system
components. This may be a toggle switch, a relay, or your source unit`s remote trigger wire, or power
antenna trigger wire. Connect the remote turn on cable to the power terminal labeled as REM. Run
this lead to the ampli
16AWG wire or larger.
4000.1D
Monoblock Amplifier
INPUT
POWER
OUTPUT
SPEAKER
GND
REM
+
12V
Monoblock Amplifier
Power Connections
