Roland's famous CUBE amp lineup expands with the hot CUBE 20X. With great features such as Power Squeezer for maximum sustain without maximum volume, a fully equipped guitar tuner, a mini-jack aux in for playing along to MP3 and CD players, and of course that incredible CUBE sound, this amp is built to rock! Powerful COSM amp-models include Acoustic, Overdrive, Distortion, Metal, Metal Stack, and Tube Drive. Onboard flanger, phaser, tremolo, chorus, reverb and delay.