Rockford Fosgate PUNCH 4020 DSM User Manual

Page 10

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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.

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

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.

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.

Low Pass

Full Range

High Pass

FULL

↕

➝

D S M

XCard 2

ROCKFORD CORPORATION

MADE IN THE USA

Rear

XCard

Front

XCard

20 Watts x 4 into 4

Ω

at 0.05% THD

30 Watts x 4 into 2

Ω

at 0.1% THD

AMPLIFIER

XCard 1