The Micro Cube is the first Cube amplifier that runs on battery or AC power. Using 6 AA alkaline batteries, you can play for up to 20 hours thanks to the Micro Cube's high-efficiency amplifier. A carrying strap is also included, allowing you to be heard just about anywhere you want. Weighing in at just few pounds, the Micro Cube packs a big punch and comes with six DSP effects, COSM Amp Modeling and a new Digital Tuning Fork giving guitarists everything they need for killer tone on the go. Tuning up is a snap using the new Digital Tuning Fork. Just press the Tuning Fork button (the harder you hit it the louder the sound) and you get an instant reference tone with support for flat tunings up to two semitones. The Micro Cube also comes with a choice of 1/4-inch and 1/8-inch stereo Auxiliary inputs great for connecting a CD player or line-level instrument plus a Recording & Headphones output. New Digital Tuning Fork with support for flat tunings up to 2 semitones Recording & Headphones output and stereo Auxiliary input for CD players, etc. Rated Power Output - 2 Watt Nominal Input Level - -10 dBu Speaker - 12 cm (5 inches) Power Supply - AC Adaptor or 6x AA Batteries Current Draw - 185 mA Unit Dimensions (excluding AC Adaptor & Battery) - Width 244 mm 9-5/8 inches x Depth 166 mm 6-9/16 inches x Height 226 mm 8-15/16 inches Unit Weight - 3.3 kg, 7 pounds 5 ounce