Rockford Fosgate PUNCH 4020 DSM - Manual (Page 19)

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Rear XCard* Front XCard*
• Signal input switch to 2 channel input.
• Gain for Front and Rear operate independently.
• Front is operating in mono.
• Rear is operating in mono.
XCard 1 XCard 2
LP LP
*Note: XCard can be inserted in HP,
LP, or Full Range.
4
Ω
Minimum
Low Frequency
– +
Front Gain Front Rear Rear Gain
(Bridged Mono) (Bridged Mono)
Front Speakers Rear Speakers
– L + – R +
R
L
R
L
Front Rear
4
Ω
Minimum
Low Frequency
+ –
+ L – + R –
2-CHANNEL – MONO