thomann millenium - Operating Controls (11-14); Audio Output and Input Sockets; Power Connection and Switch

11 ‘OUTPUT’ socket
For the connection of stereo headphones with a 1/4" TRS jack.
12 ‘AUX IN’ input socket
For the connection of external devices with an 1/8" TRS jack like e.g. a CD or MP3 player, etc.
13 ‘DC 9V’ socket
For the connection of the supplied power adaptor. Never use another power supply with the unit.
14 [POWER] button
To switch the unit on and off.
Operating elements
Synth Drum
13