speaker connections
4 ch amp PB448X
20
owner’s manual
troubleshooting
FRONT
speakers
REAR
speakers
L
R
R
L
4 channel (stereo) output mode
bridged mono output mode
2 ch
speakers
L
R
mode switch in
STEREO position
mode switch in
BRIDGED position
MINIMUM
SPEAKER
IMPEDANCE
4 OHMS!
A
A