Same pro-quality sound found in high-end models. 820 Voices and Super Articulation Lite Voices 290 Accompaniment Styles and high-quality effects previously available only with high-end models Assignable Knobs allow you to manipulate various effects and parameters on Voices, Styles and more, in real time. Mega Boost adds +6dB of boosted volume! Motion Effect modifies the voices in your performance with Filter, Pitch and Modulation effects while holding the Motion Effect button.