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R
L
LEVEL
input
output
line
5v
.2v
BASS
0dB
12dB
EQ
60Hz
1.2KHz
HPF
30Hz
LPF
250Hz
X-over
fullhpf
lpf
+ - GND - +
HI
INPUT
MONO
STEREO
Mode
7
SIGNAL & SPEAKER CONNECTIONS
Connect the RCA output of the head unit (AM/FM cassette player, CD, or DAT) to
the RCA input terminals of the amplifier.
To make these connections, we recommend high quality RCA cables, which are
available at your local car audio retailer. Run signal wires away from electrical wires to
avoid possibility of induced noise from the car's electrical system (i.e. popping noises or
engine noise). Please note that when making these connections the signal inputs
correspond with the speaker outputs.
LL
LL
RR
Optional full range line out connection
to additional amplifiers in the system.
RR
BRIDGED
SPEAKER OUTPUTFUSE
L
R
GND REM
+12V
POWER INPUT
POWER
PROTECT
4 Ohm Speakers
(2 Ohm Minimum)
4 Ohm Speakers
(2 Ohm Minimum)
++
--
++
--
Set the “MODE” switch
to the STEREO position.
In this example we have selected
HPF (High Pass Filter) for our XOVER.
Adjust the
to desired crossover point for your speakers
HPF (High Pass Frequency)
QS2150 & QS2250 CONNECTIONS (STEREO MODE)