Precision Power PPI4240 User Manual
Page 9
8
1. Front RCA Input
Plug in the front RCA cables from the source unit or PPI signal
processor here.
2. Rear RCA Input
Plug in the rear RCA cables from the source unit or PPI signal
processor here.
3. RCA Outputs
Plug in the RCA cables here to send signal to a second amplifier. This
output can be Full Range, High Pass or Low Pass according to the
Output X-Over Switch.
4. Speaker Input
Plug in speaker cables here when RCA cables are not available.
5. Input -12db
Push this switch “IN” when using Speaker Inputs, or when RCA level
is over 5V.
6. Front Gain Control
Use this control to match the output level of the head unit to the
amplifier.
7. Front X-Over Freq
Select the front crossover frequency here. The detented control
moves clockwise from 20Hz to 5kHz. Use the chart on page 20
to select the desired crossover frequency.
8. QBASS™ Control
Select the desired boost for both Front and Rear Channels by turning
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