hi level input connections
4 CH
floating ground connection
wiring harness
4 CH
harness wiring
for common ground connection
orange
R
black
black
orange
R
orange
black
black
orange
REAR
4 ch amp PB448X
L
R
REAR
FRONT
L R
FRONT
head unit
orange
L
black
black
orange
head unit
L
orange
black
black
orange
15