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

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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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Contents Channel Amplifier Installation & Operation Manual Page Practice Safe Sound T T I N G S T a R T E D T R O D U C T I O N PU N C H 4-CHANNEL AM P L I F I E R AC C E S S O R Y PA C KEnergy Storage Capacitor RO C K F O R D FO S G AT E AC C E S S O R I E STechnical Design Features Transana TRANSconductance Active Nodal AmplifierXCard Internal Crossover Mosfet Devices Pass-Thru Output Design Features Amplifier S TA L L AT I O N CO N S I D E R AT I O N S Mounting Location Battery and Charging R I N G T H E S Y S T E MPage Page I N G T H E Xcard Configure a 12dB/octave filter for the Rear channels Xcard ConfigurationsConfigure a 12dB/octave filter for the Front channels Configure a 24dB/octave filter for the Rear channels Configure a 12dB/octave filter for the Pass-Thru Using the Signal Input Switch Channel InputRCAs connected to Front & Rear inputs Power Connections BA S I C CO N N E C T I O N SPhase Switch set to Channel Stereo OperationChannel Mono Operation Channel Operation Input Channel Stereo/Single Mono Operation Channel Stereo/Dual Mono Operation SY S T E M DI a G R a M S Watt 3-Way SystemWatt 4-Way System RFA-414 2X-4 Pass-Thru RFA-414 2X-4 Troubleshooting Amplifier does notTurn on Amplifier has noSpeaker Output Low or DistortedNo Output on Rear ChannelsEngine Noise About the Dynamic Power Measurements N a M I C P O W E R M E a S U R E M E N T SMusic Listening to Loudspeakers Not ResistorsWhat is an Amplifier? Information Cubed400X4 Specification S WattsR R a N T Y I N F O R M a T I O N Page Page Rockford Fosgate