VARIABLE BASS BOOST
By using the BASS BOOST controller [ 10 ] you are able to increase the bass enhancement from 0 to 12 dB.
LINE INPUT
HI LEVEL IN
ATTENTION: Use the BASS BOOST wisely!
R–
R+
L–
L+
REM
+12V
+12V
GND
GND
PHASE SWITCH
REMOTE
POWER
R
The PHASE SHIFT switch [ 11 ] allows to switch the phase from 0° to 180° to match the output signal with the
vehicle's interior acoustic.
MIN MAX
L
VARIABLE LOW PASS FILTER
Set the desired crossover frequency by using the controller LOW PASS [ 12 ]. Thus to that only the frequencies
below the chosen crossover frequency will be amplified and the subwoofer plays more precisely and efficient.
LINE INPUT
REMOTE
R+
R
L+
REM
+12V
L
GND
BASS LEVEL REMOTE CONTROLLER
With the included bass level cable remote controller [ 13 ] allows to adjust the bass level e.g. out of the driver's
seat. Connect the remote controller and the REMOTE terminal [ 14 ] with the enclosed cable.
13
PROTECTION CIRCUIT
The PROTECT LED [ 15 ] lights up red, when the amplifier is overheated, or a short circuit occurs respective
a too low impedance load is connected to the speaker outputs. If this events, the internal built-in protection
circuit shuts down the amplifier automatically. The amplifier should work again properly after you have solved
the problems.
The POWER LED [ 16 ] lights up green, if the amplifier is in operation.
REMOTE
INPUT
LEVEL
MIN MAX
Q168A
ACTIVE SUBWOOFER SYSTEM
10
REMOTE
R
10
MIN MAX
L
INPUT
BASS
LEVEL
BOOST
0dB
+12B
50Hz 150Hz
11
Q168A
ACTIVE SUBWOOFER SYSTEM
INPUT
LEVEL
12
MIN MAX
0dB
Q168A
ACTIVE SUBWOOFER SYSTEM
BASS LEVEL
POWER
MIN
MAX
BASS
LOW
15
BOOST
PASS
16
0dB
+12B
50Hz 150Hz
INPUT
BASS
LEVEL
BOOST
0dB
+12B
50Hz 150Hz
AUTO TURN ON
Q168A
LOW
PASS
ACTIVE SUBWOOFER SYSTEM
ON
OFF
PHASE SHIFT
0°
180°
AUTO TURN ON
BASS
LOW
BOOST
PASS
PHASE SHIFT
+12B
50Hz 150Hz
HI LEVEL IN
FUSE
R–
R+
L–
L+
REM
+12V
+12V
GND
GND
POWER
AUTO TURN ON
PROTECT
ON
OFF
PHASE SHIFT
POWER
0°
180°
AUTO TURN ON
LOW
PASS
ON
OFF
PHASE SHIFT
0°
180°
PROTECT
POWER
PROTECT
ON
OFF
POWER
0°
180°
LINE INPUT
REMOTE
R
MIN MAX
L
PROTECT
POWER
INPUT
BASS
LOW
LEVEL
BOOST
PASS
14
0dB
+12B
50Hz 150Hz
Q168A
ACTIVE SUBWOOFER SYSTEM
AUTO TURN ON
PR
ON
OFF
PHASE SHIFT
PO
0°
180°