AMPLIFIER
7
8
4 Channel Amplifier
QPX2000.4 & QPX2800.4
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
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
FUSE
SPEAKER
OUTPUT
GND
REM
+
12V
INPUT
POWER
CH3
CH1
CH4
CH2
BRIDGED
System 1: 4 Channel Mode
4 Channel & 2 Channel
Ω
4 8
Ω
4 8
Ω
4 8
Ω
4 8
Ω
4 8
Ω
4 8