Jacks in / out.
Hot Potz potentiometer 100k ohms.
Powered by 9V battery or AC adapter.
Solid.

UTILIZATION

There's no easier, and you branch you play, there's no volume pot ...
No manual, but at the same time ...

SOUND QUALITY

Super effective, it scales well as it should in the treble, it is progressive and plays his role to perfection.

OVERALL OPINION

I use for 1 year, like its robustness and simplicity. Good quality "money, I would do this election ...