Precision Power PPI4240 - Manual (Page 12)

11
9. Rear X-Over Freq
Select the rear crossover frequency here. The detented control moves
clockwise from 20Hz to 5kHz.
10. Rear Gain Control
Use this control to match the output level of the head unit to the
amplifier.
11. Subwoofer X-Over Freq
Select the subwoofer crossover frequency here. The detented control
moves clockwise from 20Hz to 500Hz.
12. Subwoofer QBASS™ Control
Select the desired boost by turning the dial clockwise form 0-12dB
centered at 40Hz on the rear channel.
13. Subwoofer Gain Control
Use this control to match the output level of the head unit to the
amplifier.
14. Front X-Over Switch
Select the desired crossover setting, FULL/HPF/LPF for the front
speaker outputs.
15. Rear Input X-Over Switch
Select the desired crossover setting, FULL/HPF/LPF for the input
signal to the rear channel when using internal signal path vs. RCA input.
16. Rear Input Internal/External Switch
Select “INT” position if you want to use the internal signal path from
the front crossover for the rear input, or the “EXT” position to use the
rear RCA input.
17. Rear X-Over Switch
Select the desired crossover setting FULL/HPF/LPF for the rear
speaker output.
18. Sub Input X-Over Switch
Select the desired crossover setting, FULL/HPF/LPF for the output
signal of the rear channel when using internal signal path vs. RCA input.
19. Sub Input Internal/External Switch
Select “INT” position if you want to use the internal signal path from
the rear crossover for the sub input, or the “EXT” position to use the
external sub RCA input.
20. Sub X-Over Switch
Select the desired crossover setting, FULL/HPF/LPF for the RCA output.