Roland Micro Cube Guitar Amplifier - Red Ultra-compact portable DSP guitar amp with 5-inch speaker Runs on battery or AC power (adapter supplied) and 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 Recording/Headphones output and stereo Auxiliary input for CD players, etc.