This amp is lightweight, compact and can be powered by a mobile battery. It also offers powerful and realistic amp models based on those found in the Cambridge50, as well as a newly developed vocoder for talking modulation effects, onboard effects that let you create a diverse range of sounds, a mic input, AUX input, a headphone jack and a rhythm machine that can play back patterns from many genres… all as standard features. This is the most compact model, featuring a 5-inch 3 W speaker. Has a built-in high-quality rhythm machine. This model is perfect for having fun playing along with rhythms at home or for carefree use outdoors. Features Amp models based on those found in the VOX Cambridge50 Built-in effects add color to the guitar sound Rhythm machine makes playing even more fun! Features a variety of input/output jacks—great for playing and singing solo! Can be powered by a mobile battery—the perfect choice for street performance as well Specifications AMP MODELS: 11 EFFECTS: 8 RHYTHMS: 33 TEMPO: 40-240 bpm E TUNER: E1-E6 (41.2 Hz-1318.5 Hz) INPUT/OUTPUT: INPUT jack, MIC IN jack, AUX IN jack, PHONES jack, DC jack, DC 5V IN jack OUTPUT POWER: Max 3 W RMS 4 ohms SPEAKER: 5 inch 4 ohms POWER SUPPLY: AC adaptor (DC 12V) or mobile battery (DC 5V – Commercially available) POWER CONSUMPTION: 1 A MOBILE BATTERY: 5 V/3 A* DIMENSIONS (W X D X H): 256 x 180 x 249 mm/10.08” x 5.91” x 9.80” WEIGHT: 3.5 kg/7.72 lbs. INCLUDED ITEMS: AC adaptor (DC 12V), Carrying strap.