25
ENGLISH
LEVEL
This controller determines the input sensitivity (adaptation to the output signal of the head unit).
12
POWER/PROTECT
If the LED lights up in green, the amplifier is ready for operation. If the LED lights up in red, there is a
malfunction. Refer in this case to chapter
TROUBLE SHOOTING
on page 28.
11
LOW PASS
This controller limits the frequency upwards. The crossover frequency is adjustable from 50 Hz to
5000 Hz (5 kHz).
15
BASS BOOST
This controller adjusts the bass boost from 0 dB to +12 dB at 45 Hz.
16
HIGH PASS
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 500 Hz.
14
X-OVER MODE
This switch selects the desired operating mode of the amplifier:
FULL:
Full Range mode - the entire frequency range is amplified
HP:
High Pass mode adjustable with HIGH PASS - frequency is limited downwards,
LP/BP:
Low Pass mode adjustable with LOW PASS - frequency is limited upwards,
The HIGH PASS controller acts as a Bandpass filter and limits the frequency downwards.
Note:
If the HIGH PASS controller is set higher than the LOW PASS controller, no sound is heard.
13
BLC REMOTE
The BLC REMOTE port is for connecting the cable of the included bass level remote controller. With
this, the bass level can be e.g. be adjusted from the driver’s seat. Only use the supplied bass remote
controller and the associated cable. The bass level remote controller only works in LP/BP mode (Low-
Pass/Bandpass).
10
