WIRING DIAGRAM
XTHUNDER125.4 Amplifier Wiring (3-Channel Mode)
4-Ohm to 8-Ohm
FUSE
Source Unit
Remote Signal
RCA Signal
RCA Signal
12V
Crossover
Crossover
R CH
R CH
L CH
FRONT
REAR
HI INPUT
REMOTE
LEVEL
BASS BOOST
FREQ
LEVEL
BASS BOOST
FREQ
FRONT
X-OVER
REAR
POWER
P.T
LINE INPUT
L CH
EXT
AUTO
REMOTE TURN ON
5V
0.2V
0dB
18dB
40Hz
250Hz
HPF
FULL
LPF
LPF
HPF
FULL
5V
0.2V
0dB
18dB
40Hz
250Hz
SPEAKER
OUTPUT
FRONT
FUSE
POWER INPUT
REAR
BRIDGE
L CH +
–
R CH +
–
L CH
XTHUNDER125.4
+
–
R CH +
–
+12V
REM
GND
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