The super-compact Katana Mini guitar amplifier from Boss is the perfect solution for guitarists looking for a portable practice amp with authentic amplifier sound. With a power output of 7 watts through a specially designed 4-inch speaker, the Katana Mini is ideal for jam sessions and practicing at home or on the go. You can choose between three amplifier types: Brown, Crunch, and Clean, to create the unbeatable sounds that the Katana series is known for. The Katana Mini can be powered by an optional power supply or 6 AA batteries, allowing you to enjoy great sound anywhere. Visually and ergonomically, the Katana Mini impresses with its ultra-compact design and built-in carrying handle. Additional features include an Aux input for smartphones and mp3 players, a built-in tape-style delay, and a headphone/recording output with cabinet voicing.