4-Channel Amplifiers - Functions & Controls
CROSSOVER - Switches & Controls CH1/2 & CH3/4 channel-pair separated
Position LP - Lowpass is activated, the frequency of the speakers is bounded above.
The threshold is from 40Hz to 400Hz adjustable via FREQ ADJUST.
Position HP - Highpass is activated, the frequency of the speakers is bounded below.
The threshold is from 40Hz to 400Hz adjustable via FREQ ADJUST.
Position OFF - full range output signal.
STATUS - LED
The LED lights up blue the
amplifier is in operation-
mode.
LINE INPUT - Allows to connect
the amplifier with the head unit
via RCA cable.
V 500.4 / V 900.4
INPUT GAIN - CH1/2 & CH3/4
Allows to adjust
channel-pair sepa-
rated input level from the head unit.
21
BASS BOOST - CH3/4
Allows to adjust channel-pair separated the
bass boost from -18dB - +18dB at 45Hz.
REMOTE BASS PORT - CH 3/4
Allows to control Bass Boost via
Remote Conrol from any location, e.g.
from driver's seat. Please connect the
included bass remote here.