5
7.Volume control
Turn the [STANDBY/VOLUME] rotary control (2) to the left/
right to decrease/increase the volume.
The playback volume level is visualised through the volume
status LED/light ring (3).
8.Ambient lighting
Note
In order to use the ambient lighting, the subwoofer
must be on. (See Section 5)
•
Move the [LED] switch (7) to the ON position to switch
on the ambient lighting (15).
•
Move the [LED] switch (7) to the OFF position to switch
off the ambient lighting (15).
9. Setting crossover frequency
Note
•
Set the frequency range in order to adjust the
subwoofer to the room acoustics or terminal devices
(for example, AV receiver).
•
The subwoofer then reproduces only the frequencies
of the selected frequency range. Frequencies outside
the range are filtered out.
•
Turn the frequency control (4) to set the subwoofer’s
frequency response (20–180 Hz, 20–240 Hz, 20–320 Hz
or 20–420 Hz).
10. Connection via Auxiliary Input
You can use the analogue audio input (AUX) to connect
mobile devices (for example, smartphone, tablet PC, MP3
player, etc.) as well as older analogue sources (CD/DVD
player etc.) to the subwoofer and play their audio signals
using the subwoofer.
Note
•
Switch off the subwoofer before connecting a
terminal device.
•
Do not bend or crush the cable.
•
Connect your terminal device to the AUX socket (9) on
the subwoofer using a 3.5-mm audio cable (jack cable).
•
Activate the Auxiliary Input mode by repeatedly pressing
[MODE] (5).
•
The Mode status LED (2) is lit green.
11. High Level input (HF IN)
The High Level input allows you to connect your existing
sound system to the subwoofer, in order to expand a 2.0
sound system into a 2.1 sound system, for example.
Note
•
Switch off the subwoofer before connecting a terminal
device.
•
Do not bend or crush the cable.
•
Connect your terminal device to the HF IN socket (11) on
the subwoofer using a 3.5-mm RCA cable.
•
Activate the HF IN mode by repeatedly pressing [MODE]
(5).
•
The Mode status LED (2) is lit blue.
12. Low Level input (LF IN)
The Low Level input allows you to connect an amplifier
with subwoofer output to the subwoofer, for example.
Note
•
Switch off the subwoofer before connecting a terminal
device.
•
Do not bend or crush the cable.
•
Connect your terminal device to the LF IN socket (12) on
the subwoofer using a 3.5-mm RCA cable.
•
Activate the LF IN mode by repeatedly pressing [MODE]
(5).
•
The Mode status LED (2) is lit yellow.
13. Multiroom
The subwoofer can be integrated as a client into an
UNDOK Multi-room group.
More detailed information can be found in the UNDOK
Guide.
14. Factory settings
To reset the subwoofer to the factory
default settings, proceed as
follows:
Press and hold the [RESET] button (6) for approximately 3
seconds.
