Rockford Fosgate 400x4 operation manual Configure a 24dB/octave filter for the Rear channels

Configure a 24dB/octave filter for the Rear channels.

		LED
+ L –	+ R – REM B+ GND	– L +	– R +
	Rear	Front

XCard Front

20Hz-100Hz

24dB/octave LP

XCard Pass-Thru

XCard Rear 1

LP

XCard Rear 2

LP

• Rear XCards 1 & 2 set identically to High-Pass or Low-Pass

Configure a 12dB/octave Bandpass filter for the Rear channels.

		LED
+ L –	+ R – REM B+ GND	– L +	– R +
	Rear	Front

XCard Front

100Hz-275Hz 12dB/octave BP

XCard Pass-Thru

XCard Rear 1

HP

XCard Rear 2

LP

•Rear XCard 1 inserted as High-Pass

•Rear XCard 2 inserted as Low-Pass

*The 400x4 is shipped with 100Hz XCards. At least one of the XCards must be customized to enable proper bandpass operation. Refer to “Using the XCard” on page 14 for more information. Additional crossover card frequencies are available from your Authorized Rockford Fosgate Dealer. (See page 2)

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