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Legacy Car Audio LA-778 User Guide

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Basic Stereo Output
Basic 4CH Output
FRONT 
speakers
REAR 
speakers
L
R
R
L
LEFT speaker
RIGHT speaker
High Level 4 CH Stereo Input
from 4CH Audio Source
floating ground connection
wiring harness
L
R
REAR
FRONT
L
R
orange
black
black
orange
orange
black
black
orange
head unit
High Level 4 CH Stereo Input
from 4CH Audio Source
common ground connection
2CH AMPS
L A -
4 7 8
L A -
5 7 8
L A -
7 7 8
L A -
9 7 8
LA-
1478
LA-
1878
LA-
2078
LA-
2278
4CH AMPS
LA-
678
LA-
878
LA-
678
LA-
878
4CH AMPS
Speakers
Speaker Connections
inputs
Input Connections
head unit
R
L
R L
REAR
FRONT
orange
black
black
orange
orange
black
black
orange