100% analog pedal.
1 between guitar;
1 output amp;
9V power jack or Boss type battery;
1 potentiomtre rglage of "level".

USE

There is a manual but use could not be simpler.
With one potentiomtre, there are VERY quickly the sound you want.

SOUND QUALITY

This will boost the clean boost very clear and very transparent, retaining the grain pickups and tone of the amp's overdrive trsmchante but still respects the grain of the basis of his !!dropoff window VERY IMPORTANT for a boost !!

NOTICE GLOBAL

a very good pedal that feels solid and reliability any evidence ...

Can be a little but the quality chre a price !!