Roland Micro Cube Guitar Combo Amp Compact DSP guitar amp with 5" speaker. Recording/Headphones Out. Stereo Aux In for CD players. Battery or AC power (adapter supplied). Includes carry strap. 7 COSM guitar amp models including JC-120 and a special mic preamp model. 6 DSP effects: chorus, flanger, phaser, tremolo and separate Delay/Reverb. New Digital Tuning Fork with support for flat tunings up to 2 semitones.