Vario Bass Different bass for differenct tastes. Choose the bass that most fits you. Vario Bass offers four types of bass to fit your various needs; 'TURBO' for an overall boost, 'TECHNO' for fast, aggressive bass which is also suited for tape/tuner sources, 'MOVIE' for a strong deep bass suited to movies, and 'LITE'N EASY' for a mild bass, ideal for karaoke.