US Blaster USB 1380 Instruction Manual page 22

4 CHANNEL SYSTEM WIRING DIAGRAM
LINE OUTPUT
CH4
50Hz 250Hz
CH3
50Hz 250Hz
GND REM +12V
EXTEND
AMPLIFIER
BASS
CROSSOVER
L.P.F H.P.F BOOST TREBLE
L.P.F H.P.F
80Hz 1.2kHz 0dB 12dB 0dB 12dB 6V
FULL
80Hz 1.2kHz 0dB 12dB 0dB 12dB
6V
L.P.F H.P.F
FULL
CAR STEREO HEAD UNIT
7
LOW INPUT
HI INPUT
GAIN
CH4 CH2
R+ R- GND L- L+
0.2V
CH3 CH1
0.2V
HI INPUT
CH1 CH1 CH3 CH2 CH4
Fig.2