Precision Power PPI4240 Subwoofer X-Over Freq, Subwoofer Qbass Control, Subwoofer Gain Control

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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.

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Contents Service Page Page Total Current Draw Length of Wire to Run in Feet Page Remote Turn-on Battery Power Power LEDRemote GroundPage Front RCA Input Rear RCA InputRCA Outputs Speaker InputFront X-Over Switch Rear Input X-Over SwitchRear Input Internal/External Switch Rear X-Over Input SwitchSubwoofer RCA Input Rear X-Over Switch Sub Input X-Over SwitchSub Input Internal/External Switch Sub X-Over SwitchPage Page Page System One System Two System Three System Four PPI4240 PPI5440 Front and rear channels PrecisionPower, Inc