Compact headphone guitar amplifier from amPlug 2 series with improved analog circuit that provides exceptionally clear and present tone, and integrated foldable 6.3 mm jack that can be fitted to any electric guitar. Amp features 3 amplifier modes for tonal variety, 9 selectable effects ( Chorus 1/2/3, Delay 1/2/3/, Reverb 1/2/3) with controls, selectable MidBoost (Off/1/2) and auto power off function that conserves battery life. It is also equipped with aux input for mp3 player, headphone output and speaker cabinet emulation. Amp is powered by two AAA alkaline batteries (included) with up to 15 hours of life.