A rich and beautiful sound that you cant imagine from the size.This is a mobile acoustic guitar amplifier with the essence of the AC series into a compact body.The MOBILE AC is a battery-powered acoustic guitar amplifier that can be easily carried anywhere.For acoustic use, it is designed to produce flat, natural playback.Powerful and rich expression of the acoustic guitars acoustic guitar.It can be used as a first amplifier for acoustic guitar, or as a stage monitor by attaching it to a commercially available microphone stand to meet a wide range of user needs.