![](/images/backgrounds/216271/bg13.png)
4 ch amp PB448X
mono input connections17
4CHfloating ground connection
4CHharness wiring
for common ground connection
LR
wiring harness
L R
orange
black
black
orange
orange
black
black
orange
from
speaker
terminals
from
speaker terminals
orange
black
black
orange
orange
black
black
orange
head unit
head unit