Krüger & Matz KM1662 Mode D'emploi page 8

Speakers
Connecting external audio devices
The unit have 2 external audio input sockets, so you can listen to an external
audio device through this unit. Connect the LINE INPUT sockets on this unit to
the output sockets on external audio device.
Audio cable
8
R
L
Power on/off;
Volume control knob
External audio device
Owner's manual