Pyramid Car Audio PB781X - Manual (Page 22)

4 CH floating ground connections
4 CH harness wiring
for common ground connections
from speaker terminals
PLEASE NOTE! If using high level inputs,
do not use the low level RCA inputs at
the same time!
R L
ORANGE
ORANGE
ORANGE
ORANGE
BLACK
BLACK
BLACK
BLACK
FREQ.
CH 3
LOW IN
LEVEL
MIN MAX
CH 4 HPF
+18db 0 35 400
Hz
LPF
80
HPF
2.5k 2.5k
Hz
+18db 0
BASS
BOOST
MIN MAX
FREQ.
CH 1
CH 2
80
Hz
35 400
Hz
LPF
HI IN
CH4 CH3
+ - - +
HI IN
CH2 CH1
+ - - +
LOW IN
BASS
BOOST LEVEL
FULL
HPF LPF FULL
HPF LPF
POWER PROTECT
REMOTE
BASS BOOST(CH3/4)
pb681X
pb881X
pb1881X
high level mono input connections
4 ch amp PB681X • PB881X • PB1881X
21
from speaker terminals
CH 1/2
CH 3/4
R L
ORANGE
ORANGE
ORANGE
ORANGE
BLACK
BLACK
BLACK
BLACK