With Vox amPlug G2 Headphone Guitar Amplifier, the crucial analog circuit has been drastically improved, and each model provides three modes. Vox AC30 Headphone Guitar Amplifier provides use of a tremolo circuit, as well as nine selectable effects with three types of Chorus, Delay, and Reverb. A foldable plug mechanism that rotates 180 degrees and an auto power-off function are additional features that contribute significantly to improved convenience and ease of use. There is also an AUX input for jamming along with any audio player. Vox amPlug G2 Headphone Guitar Amplifier is the simplest way to get serious sound; occupying virtually no space, it's an ideal choice for any guitarist or bassist.