High Level Input Connections; Pb681X/Pb881X/Pb1881X - Pyramid PB1281X User Manual

4 CH floating ground connections
pb681X
pb881X
pb1881X
ORANGE
BLACK
BLACK
ORANGE
PLEASE NOTE! If using high level inputs,
do not use the low level RCA inputs at
the same time!

high level input connections

BASS
LEVEL FREQ. BOOST LPF HPF HPF
CH 4
+ - - +
CH4 CH3 HPF
MIN MAX LPF 0 +18db 35 400 80 2.5k 80
HI IN
FULL
CH 3 Hz Hz
REMOTE
BASS BOOST(CH3/4)
POWER
PROTECT
LOW IN
REAR L R L R
from speaker terminals
4 ch amp PB681X • PB881X • PB1881X
BASS
LPF BOOST FREQ. LEVEL
CH 2
+ - - +
CH2 CH1
HPF
2.5k 35 400 0 +18db LPF MIN MAX
HI IN
FULL
Hz Hz CH 1
LOW IN
FRONT
ORANGE
BLACK
BLACK
ORANGE
4 CH harness wiring for common ground connections
CH 3/4
REAR L R
ORANGE
BLACK
BLACK
ORANGE
from speaker terminals
19
CH 1/2
L R FRONT
ORANGE
BLACK
BLACK
ORANGE