Markbass MB Octaver will thicken and strengthen your bass tone adding new posibilities to your sound. Markbass MB Octaver is a breeze to use and will add loads of beefy bottom and funky top to your bass sound. MB Octaver features separate level controls for each octave as well as your dry signal this enables you to ad thickness by mixing in doubles of your playing pitched one and/or two octaves down. The tracking is super fast!