Rockford Fosgate 400x4 Stereo Amplifier User Manual


 
3-Channel Operation
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Front
Gain
Rear
Gain
0/180 4/2
L+
REM B+ GND
LED
+L
Rear Front
Pass-Thru
Front Rear
4 ohm min.
2 ohm min.
+
+
4-Ch.
{
2-Ch.
{
INPUT
+
2 ohm min.
+R––R+
*Adjust the phase switch to 180
°
if XCard for front channel is set to HP
and XCard for rear channel is set to LP (or vice versa).
RCAs are connected to front or front and rear inputs
Signal Input Switch is set to 2-channel or 4-channel input
Phase Switch set to 0° or 180°*
Gain for front channels operate independently
Gain for rear bridged channels set equally to balance the subwoofer
Impedance for front stereo channels should be no less than 2
Impedance for rear bridged channel should be no less than 4
Front XCard can be set for High-Pass, Low-Pass or Full Range
Rear XCard can be set for High-Pass, Low-Pass, Bandpass
or Full Range