4
1.
Power Status Led
This bi-color LED glows green when power is
on and no problems are present. lf one of the
protection circuits comes on, it will change to
red.
2.
Phase Shift
Use this switch to help compensate for time
alignment problems in the system. Such pro-
blems usually result from having the subwoofer
at a different distance from the listener than the
other speakers in the system.
3.
Auto Power On
The
auto power on (
ON/OFF) is for high
level
(speaker-leve
l
) connections. When the
switch is
in the ”ON” position, the subwoofer
auto
power
on
when there is signal input.
I
f
the amplifier
detect no signal input, the
amplifier will auto
turn off. lf you prefer to use
the remote turn on/
off connection,
set
the
switch
in the
off
position.
Note: Please connect the remote terminal to the
remote output of head unit as
Fig.4.
When you turn on/off the head unit a receipt
pulse can be heard from the subwoofer.
4. Low Pass Filter
This control permits you define the frequency
range you want the subwoofer amplifier to
receive. The subwoofer will reproduce all sound
BELOW the frequency you set.
Note: The low pass filter frequency can be higher or
lower than
the visual scale.
5. Bass Optimize
The
bass optimize controll
feature will
enable fine tune of the deepest
bass
frequencies.
6.
Input Gain Control
After you have installed your system, turn
this
control to minimum.
Turn the head unit on (and the subwoofer
will
turn on via the remote connection).
Turn the
head unit volume to about 2/3 full
level.
Slowly turn up the subwoofer input gain
control
until you hear a small amount of
distortion.
Then reduce the level until the
distortion is
completely gone. Le
ave
the
control at this
setting.
7.
Remote Level Control Port
Attach the included remote level control to
control the volume level of the subwoo
f
er
from
the dashboard.
8.
High Level Input
I
f
your head unit does not have RCA out-puts
you can use the speaker outputs for
the audio
source for the subwoofer. Use
the supplied
cable and wire harness and
connect the
outputs properly as shown in
the connection
diagram
.
9.
Low Level Input
Low level inputs are the recommended
way to
in
put
the audio signal to the
subwoofer if RCA
outputs are present on
your head unit or other
signal source (such as a sound processor).
10.
Fuse
11.
Power Input Terminal
1
2
3
4
5
6
7
8
9
10
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