Roland Micro Cube Guitar Amp Bundle with Tuner, Instrument Cable, and Polishing Cloth - White Ultra-compact DSP guitar amp with 5-inch/2-watt low magnetic leakage 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