Head unit y adaptors to a second amplifier, Head unit y adaptors, Ch1+2 = left channel ch3+4 = right channel – Legacy Car Audio LA580 User Manual
Page 10: 4ch amps 2ch amps
Input Connections
Bridged Input Connection
4 CH Bridged Input
from 2 CH Audio Source
CH1+2 = Left Channel
CH3+4 = Right Channel
head unit
Y adaptors
to a second
amplifier
Left Output
Right Output
LA680
LA1080
4CH AMPS
2CH AMPS
LA480
LA580
LA780
LA1480
LA1880
LA2080
FULL
LPF
HPF
HPF
35 400
H
2
LPF
0
18db
BASS
BOOST
FREQ.
LEVEL
MIN
MAX
LOW IN
R
L
POWER
PROTECT
REMOTE
BASS BOOST
HI IN
R
L
80 2.5k
H
2
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
GND
REM
F USE
12
V
GND
REM
F USE
12
V
CH
4
BRIDGED
head unit
Y adaptors