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6
Overview of the main unit
a PHASE
Adjust the phase of subwoofer signal.•
b FREQUENCY
Set LPF (low-pass-filter) frequency •
from 80Hz to 120Hz.
c VOLUME
Adjust volume from 0 to maximum •
level.
d INPUT (Ch1, Ch2)
To connect car audio with RCA cable.•
e POWER
Light in blue when power is turned •
on.
f PROTECTED
Lights in red when the protector is •
activated.
g POWER/HIGH LEVEL INPUT
To connect power supply (+12V-•
DC power supply, ground wire, and
remote control wire) and car audio
with bare wires.
a
b
c
e
f
g
d
EN