Inputs, Floating ground connection, Common ground connection – Legacy Car Audio LA580 User Manual
Page 9: Rl r l, Input connections, High level 4 ch stereo input from 4ch audio source, 4ch amps, Wiring harness, Rear front, Head unit

LA680
LA1080
7
inputs
Input Connections
4CH AMPS
High Level 4 CH Stereo Input
from 4CH Audio Source
floating ground connection
High Level 4 CH Stereo Input
from 4CH Audio Source
common ground connection
wiring harness
L
R
REAR
FRONT
L
R
orange
black
black
orange
orange
black
black
orange
head unit
head unit
R
L
R L
REAR
FRONT
orange
black
black
orange
orange
black
black
orange
0
BASS
BOOST
LPF
FULLLPFHPF
CH
4
CH
3
CH
3
LOW IN
CH
4
HI IN
FREQ.
HPF
18db
80 2.5k
H
2
35 400
H
2
80 2.5k
H
2
35 400
H
2
0
18db
BASS
BOOST
LPF
HPF
LEVEL
MIN
MAX
FULL
LPF
FREQ.
LEVEL
MIN
MAX
HPF
CH
1
LOW IN
CH
2
CH
2
CH
1
HI IN
POWER
PROTECT
REMOTE
BASS BOOST CH
3/4
0
BASS
BOOST
LPF
FULLLPFHPF
CH
4
CH
3
CH
3
LOW IN
CH
4
HI IN
FREQ.
HPF
18db
80 2.5k
H
2
35 400
H
2
80 2.5k
H
2
35 400
H
2
0
18db
BASS
BOOST
LPF
HPF
LEVEL
MIN
MAX
FULL
LPF
FREQ.
LEVEL
MIN
MAX
HPF
CH
1
LOW IN
CH
2
CH
2
CH
1
HI IN
POWER
PROTECT
REMOTE
BASS BOOST CH
3/4