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4 English
Controls / Indicator
321
4
(W)
30
40
20
10
4
1 A ch FILTER switch
This switch allow filtering of the speaker output
signals.
• OFF position:
The original sound without filtering is output.
• HPF (High Pass Filter) position:
Only frequencies of 80 Hz or higher are output.
(Frequencies below 80 Hz are cut.)
2 B ch FILTER switch
This switch allow filtering of the speaker output
signals.
• OFF position:
The original sound without filtering is output.
• LPF (Low-Pass Filter) position:
Only frequencies of 80 Hz or lower are output.
(Frequencies above 80 Hz are cut.)
The speaker output is automatically turned
monaural (L+R) and the bass boost function is
activated.
3 INPUT SELECTOR switch
This switch selects the input method of the signals
to be amplified by amplifiers A and B.
• A B position:
Amplifies both of the signals input to amplifiers
A and B.
• A position:
Amplifies only signal input amplifier A with both
amplifiers A and B.
4 INPUT SENSITIVITY control (A.ch/ B.ch)
Set this control according to the pre-output level
of the center unit connected with this unit, or
to the maximum power output of the genuine-
accessory car stereo.
The sensitivities of amplifiers A and B can be
adjusted independently regardless of the position
of the input selector switch.
Use the diagram on the right as a guide.
NOTE
For the pre-output level or the maximum power
output, refer to the <Specifications> in the
instruction manual of the center unit.