11
QS4150 & QS4250 CONNECTIONS (2 CHANNEL MODE)
BASS
LEVEL
ch3
R
L
ch1 ch2
ch3-4 ch1-2
LINE INPUT
ch4
+ - GND - +
+ - GND - +
HI
INPUT
OUTPUT
5v
5v
.2v
.2v
0dB
60Hz
30Hz
60Hz
1.2KHz
1.2KHz
0dB
12dB
12dB
HPF
LPF
MODE
X-OVER
full
full
hpf
hpf
lpf
lpf
2 3 4
EQ
30Hz 250Hz
250Hz
BRIDGED
CH1-2 SPEAKER OUTPUT
GND REM +12V
CH3-4 SPEAKER OUTPUT
POWER
PROTECT
POWER INPUT
FUSE
BRIDGED
L
L
R
R
LL
R
R
Optional full range line out connection
to additional amplifiers in the system.
Adjust the
L
to desired crossover point for your speakers
PF (Low Pass Frequency)
Set the “MODE” switch
to the
2
channel position.
In this example we have selected
LPF (Low Pass Filter)
for our XOVER.
4 Ohm Speaker
4 Ohm Speaker
+
+
-
-
4 Ohm Speaker
4 Ohm Speaker
+
+
-
-
**CAUTION!
In the bridged mode, the amplifier must see a 4 Ohm load or higher. Any
lower than 4 Ohms will cause the amplifier to overheat and possibly cause permanent damage
to the amplifier!
LL
R
R