Rockford Fosgate PUNCH 4020 DSM Installation & Operation Manual page 18

4-channel amplifier
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4-CHANNEL – STEREO FRONT
+
Rear XCard*
LP
XCard 1
*Note: XCard can be inserted in HP,
LP, or Full Range.
• Signal input switch to 4 channel input.
• Gain for Front and Rear operate independently.
• Front is operating in stereo.
• Rear is operating in stereo.
• Fader on source unit controls level of subwoofer.
• Experiment with subwoofer polarity to determine
which sounds best in your system.
MONO REAR
Front
R
+
L
+
R
L
(Bridged Mono)
Front Speakers
+
2 Minimum
High Frequency
Front XCard*
HP
XCard 2
Rear
R
L
L
Rear
Front
– 15 –
+
R
+
(Bridged Mono)
Rear Speakers
+
4 Minimum
Low Frequency

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