18
4-Channel Amplifiers - Functions & Controls
Q 300.4
INPUT - RCA for CH1/2 & CH3/4
Allows to connect the amplifier with the head unit via RCA cable.
BASS-EQ - Control
Channel separated for CH1/2 & CH3/4
Allows to adjust the bass boost from +/-18dB
STATUS - LED
Green Ligh
t indicates the amplifier is in operation-mode.
Red Light
Indicates the fault operation of the amplifier. When the fault
conditions (overload, excessive heat or short circuit of speaker) arise,
the protection curcuit is engaged to protect both the speakers and the
amplifier against damage. Attend in this case TROUBLE SHOOTING
on page 23.
FILTER / XOVER - Switches & Controls Channel separated for CH1/2 & CH3/4
Position HP
- Highpass ist activated, the frequency of the speakers is bounded below.
The threshold is from 50Hz to 250Hz by XOVER Control adjustable.
Position LP
- Lowpass ist activated, the frequency of the speakers is bounded above.
The threshold is from 50Hz to 250Hz by XOVER Controladjustable.
Position OFF
- full range output signal
GAIN - Control
Channel separated for CH1/2 & CH3/4
Allows to adjust input level from head unit
