This is the portable, battery powered Roland Micro Cube GX amplifier. Designed as a guitar amplifier, it is excellent with ukulele also. There are various models of classic amplifiers to use, each of which gives different level of grit and gain - while electro acoustic instruments will sound great with the other built in effects, chorus, flanger, phaser, tremolo, delay and reverb.

This Roland Cube GX will run on batteries or an AC adaptor (supplied). Battery life is expected to give between 20 and 25 hours use. It is cracking little thing, 247mm wide, 172mm deep, 227mm high and a weight just under 3kg. It has a carrying strap too. There is just one instrument input, so it is not suitable