Melda MVibratoMBVibrato effects are rarely used, but this one is different. MVibratoMB is also a powerful rotary simulator, which is perfect for everything from organs to guitars. And the audio quality is just the best on the market. MVibratoMB combines the vibrato effect with a tremolo and multiband design. This provides enough power to build a 2 speaker rotary simulation, like the famous Leslie speaker. But why to stop there, when you can have a 6 band rotary! With