Filter
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• XCards 1 & 2 inserted identically as HP or LP
NOTE: Both XCards must be customized to the same frequency for proper 24dB/octave operation.
Configuring a 24dB/octave Filter
• XCard 1 inserted as HP
• XCard 2 inserted as LP
NOTE: The amplifier is shipped with 80Hz XCards.x2 At least one of the XCards must be customized to enable proper
bandpass operation. Refer to “Using the XCard” on page 12 for more information or contact your local Authorized
Rockford Fosgate Dealer for customized XCards.
Configuring a 12dB/octave Bandpass Filter
20Hz-80Hz
24dB/octave LP
20Hz-80Hz
24dB/octave LP
L
(Mono)
XCard 2
LP
180°- 0
°
Phase
0 – 180
°
Unbalanced
Balanced
XCard 1
LP
R
Gain
Pass Thru
R
Gain
Balanced
Input
L
L
Bass
EQ
EZ Bridged
Pass Thru
R
Speaker
+ L –
Speaker
– R +
80Hz-400Hz
12dB/octave Bandpass
80Hz-400Hz
12dB/octave Bandpass
L
(Mono)
XCard 2
LP
180°- 0°
Phase
0 – 180
°
Unbalanced
Balanced
R
Gain
Pass Thru
R
Gain
Balanced
Input
L
L
Bass
EQ
EZ Bridged
Pass Thru
R
Speaker
+ L –
Speaker
– R +
XCard 1
HP