NUX Mighty Lite BT MKII Desktop Modeling Portable Mini AmplifierThe MIGHTY LITE BT MKII is a portable mini amplifier. Use it with the included 9V power adapter at home or take it on the go with 6 x AA size batteries. The MIGHTY LITE BT MKII provides a variety of effects for electric guitar and bass guitar including amp modeling and cabinet IRs. It also comes with acoustic amp modeling and acoustic IRs to let you simulate acoustic guitar tones. And, you can even load 3rd party IRs through Mighty Editor edit