With its space-saving design, classic roll-top cover, waterfall keys, and harmonic bars for authentic tone control, the AT-300 is the perfect choice for organ enthusiasts who want pro features with a smaller footprint. Equipped with 180 types of built-in musical instruments, plus 120 rhythms (each with four variations), the AT-300 puts a world of music at your fingertips. The built-in speaker box delivers a powerful, resonant sound that defies its size, while the backlit graphical LCD provides clear, concise control.