Rockford Fosgate 4-CHANNEL AMPLIFIER Owner's Manual page 22

TREBLE GAIN
Input switch set to R
Set Front & Rear crossover to the same point
Front+Rear summed output not used
Phase switch set to 0
+ L E F T –
2-CHANNEL BRIDGED STEREO
*
In this mode the phase switch should always be at 0 . Switching to the 180
position will result in an "out of phase" condition and a loss of output.
(Alternate Version: 100Hz High Pass Front & Rear -4
SOURCE UNIT
Left
IN OUT
R
BASS
FRONT
L
FRONT FRNT+REAR
*
REAR
(bridge)
+ R I G H T – + L E F T –
+ – +
4
Right
Right
IN
R
TREBLE GAIN BASS
REAR
L
REAR
REM
FRONT
(bridge)
+ R I G H T –
–
4
Left
19
0 180 R F
PHASE INPUT
B+ GND
Full Range)