Rockford Fosgate PUNCH 4020 DSM manual Amplifier

6.RCA Input Jacks – The industry standard RCA jack provides an easy connection for signal level input. They are gold-plated to resist the signal degradation caused by corrosion.

7.Signal Input Switch – This switch allows selection of 2 channel or 4 channel source unit feed.

8.Input Sensitivity Controls – The input level controls are preset for 500mV which will match the output of most source units. They can be adjusted to match input levels ranging from 150mV to 3V.

9.Internal Crossovers – These built-in crossover cards are configurable for a multitude of operating frequencies. The orientation of the card in its socket determines the function of high-pass, low-pass, or full range operation.

10.LED Power Indicator – The LED illuminates when the unit is turned on.

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® AMPLIFIER

D S M

20 Watts x 4 into 4Ω at 0.05% THD 30 Watts x 4 into 2Ω at 0.1% THD

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ROCKFORD CORPORATION

MADE IN THE USA

High Pass

➝LP		➝
	HP

Low Pass

➝HP LP➝

Full Range

FULL ↕

9

7

XCard 1 XCard 2

Rear	Front
XCard	XCard

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