Stereo input connections, Low level inputs, 4 ch stereo input connections using – Pyramid Car Audio PB-738GX User Manual
Page 18: 2 ch stereo input connections using, Y adaptors, Head unit, L/r rear audio outputs l/r front audio outputs

4 CH Stereo input connections using
low level inputs
2 CH Stereo input connections using
low level inputs
Y adaptors
R
L
head unit
16
L/R REAR
Audio Outputs
L/R FRONT
Audio Outputs
Stereo
input connections
4 ch amp PB-638GX • PB-1038GX
4 CHANNEL MOSFET AMPLIFIER
FREQ.
CH 3
LOW IN
LEVEL
MIN
MAX
CH 4
HPF
+18db
0
35
400
Hz
LPF
HPF
2.5k
BASS
BOOST
MIN
MAX
FREQ.
POWER
PROTECT
CH 1
CH 2
80
Hz
LPF
HI IN
CH4 CH3
+ - - +
LOW IN
BASS
BOOST
LEVEL
FULL
HPF
LPF
FULL
HPF
LPF
CHANNEL 1/2
CHANNEL 3/4
HI IN
CH2 CH1
+ - - +
+18db
0
2.5k
80
Hz
35
400
Hz
REMOTE
BASS BOOST(CH3/4)
4 CHANNEL MOSFET AMPLIFIER
FREQ.
CH 3
LOW IN
LEVEL
MIN
MAX
CH 4
HPF
+18db
0
35
400
Hz
LPF
HPF
2.5k
BASS
BOOST
MIN
MAX
FREQ.
POWER
PROTECT
CH 1
CH 2
80
Hz
LPF
HI IN
CH4 CH3
+ - - +
LOW IN
BASS
BOOST
LEVEL
FULL
HPF
LPF
FULL
HPF
LPF
CHANNEL 1/2
CHANNEL 3/4
HI IN
CH2 CH1
+ - - +
+18db
0
2.5k
80
Hz
35
400
Hz
REMOTE
BASS BOOST(CH3/4)