Product Description: This is the VOX AC1 Rhythm BASS, a mini bass amplifier that can also be battery-powered. It's tuned specifically for bass and has a variety of built-in rhythm patterns, making it very convenient for practicing at home. This time, we're also including the separately sold KORG AC adapter (KA181). We highly recommend purchasing this set, as it allows for long practice sessions without worrying about battery life. ■ Contents • Main unit (AC1 Rhythm BASS) • Outer box • KORG AC adapter (KA181) • Instruction manual ■ Condition • Operation check: Power on confirmed • Appearance: The main unit has no noticeable major scratches. The outer box has some damage from storage.