ENGLISH
DESCRIPTION OF OPERATION
6
LINE IN
Connect the LINE IN RCA jacks with the head unit by using appropriate audio signal cables.
HI LEVEL INPUT
7
If your head unit does not have RCA preamp outputs, you can use the HI LEVEL INPUT. To do this,
simply connect the loudspeaker cables of the head unit to the included 10-pin cable harness.
NOTE: If you can hear background noises when using the high level inputs, connect the ground con-
nection
of the cable plug to a ground point on the vehicle.
LEVEL
8
This controller determines the input sensitivity, to adapt the incoming signal from the head unit.
X-OVER MODE
9
This crossover switch selects the desired operating mode of the amplifier:
LPF/BPF: Low Pass mode adjustable with LPF - frequency is limited upwards.
The HPF controller acts here as a bandpass filter and limits the frequency downwards.
HPF:
High Pass mode adjustable with HPF - frequency is limited downwards.
FULL:
Full Range mode - the entire frequency range is amplified.
If the HPF controller is set higher than the LPF controller, no sound is heard.
Note:
HPF
10
This controller limits the frequency downwards. Low frequencies that can damage a loudspeaker are
cut off. The crossover frequency is adjustable from 10 Hz to 4000 Hz (4 kHz).
LPF
11
This controller limits the frequency upwards. The crossover frequency is adjustable from 50 Hz to
4000 Hz (4 kHz).
22
6
8
7
9
10
12 14
11
13