This is a bass amplifier with a compact design. - Model: NANOBASS X4 - Brand: PHIL JONES BASS - Controls: Input Level, AUX, Headphone, Bass, Mid, Treble, Volume - AC Input: 100-240V 50/60Hz 50W Thank you for viewing. I am selling this because I am organizing my belongings due to a move. It was only used at home and has been stored without being used much. It will be shipped in its original box.