User manual

Use the included AC adapter to connect the device via the [DC 9V] jack to an AC outlet.
For optional battery operation, open the battery compartment on the left side of the housing
and insert a 9 V battery (not supplied) into the battery compartment. Close the compartment.
3.1 Pin assignment
The figures and tables show the pin assignments of 1/4" phone plugs.
Unbalanced mono phone plug wiring:
1 Signal
2 Ground, shielding
Operating voltage supply
Jack plugs for signal inputs
Installation and starting up
HPA In Ear
13