Model AMP
The Roland Micro Cube. Weighing in at just few pounds, the Micro Cube packs a big punch, Amp Modeling gives clean or distortion sounds. It has a 5-inch/2-watt low magnetic leakage speaker, powered bybattery (6 AA) or AC power (adapter supplied). Play with 6 DSP effects: chorus, flanger, phaser, tremolo and separate Delay/Reverb. 9x9 5/8 x 6 5/8, wt. 7 lb 5 oz.
This is a LOT of Amp in a little package.

$140