Subsonic select switch (prs-x720 and prs-x320), Cut off frequency control – Pioneer PRS-X220 User Manual
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Subsonic Select Switch
(PRS-X720 and PRS-X320)
The subsonic filter cuts inaudible fre
quencies below 15 Hz to eliminate
unwanted vibrations and minimize power
loss.
Cut Off Frequency Control_____
If the LPF/HPF select switch is set to
LPF (or HPF), you can select a cut off
frequency from 50 to 120 Hz.
-------------------------------------------------------------- .
LPF (Low-Pass Filter)/HPF (High-Pass Filter) Select Switch
Set the LPF/HPF select switch as follows according to the type of speaker
that is connected to the speaker output connector and the car stereo system:
LPF/HPF Select
Switch
Audio frequency range
to be output
Speaker
Type
Remarks
LPF (loll)
■ — 50 to 120 H/
Subwoofer
Connect a subwoofer.
OFF (center)
Full range
Full range
HPF (right)
50 to 120 Hz —
Full range
Use if you want to cut the
very-low-frequency range*
because it is not necessary
for the speakers you are
using.
* See the “Cut Off Frequeney Control” section.
J