While Reecho and Shimverb are selling pretty hot, Mooer are actually preparing for the birth of its next generation. After several years of repeated researches and efforts, they finally make more powerful and charming pedals TWIN Series.Shimverb Pro has the heritage of Shimverb. Moreover, they have improved on it. Shimverb Pro uses floating-point DSP chips, new hardware has giving out you a much wider space of development. The result is to make significant improvement on the Shimmer and the Reverb effects. Shimverb Pro assembles five reverb effects including Room, Hall, Church, Plate and Spring, giving you a different experience of sounds. It is equipped with a Decay knob which can adjust the room size for the reverb effect. Shimmer function adds a new feature------the combination of 5 switches and an Octave button, which creates a different effect to bring more excellent sound to your music. In addition, Shimverb Pro has separated Shimmer footswitch and Dry/Wet knob, Hi Cut/Low Cut function, stereo input and stereo output, all these new features are going to help you create a brand-new musical journey.Functions:New algorithm, new technology, overall tone improvementShimverb Pro provides 5 different Reverb effects, from Room to Spring.Room: Simulate the Reverb effect in a roomHall: Simulate the wide Reverb effect in a concert hallChurch: Simulate the Reverb effect in a ChurchPlate: Simulate the Reverb effect of a vibrating plateSpring: Simulate the Reverb effect of a vibrating SpringAdjustable Shimmer effect5 Shimmer effects, can achieve +3,+4,+5,+7,+9 half-step modulation. And the OCTAVE button can add another octave on those 5 Shimmer effects. Shimmer effect can be activated by a separated foot switch.The volume of the Shimmer effect could be adjusted by pressing down and holding the Shimmer footswitch and dialling the Dry knob.DRY and WET KnobDRY knob controls the volume of the guitar sound and the WET knob controls the volume of the reverb effect.HI CUT and LOW CUT KnobThese two knobs control the high and low frequency of the reverb effect.Trail ON/OFF functionTrail ON is the Buffer Bypass mode in which the reverb effect will be held even if you turn off the reverb effect.Trail Off is the True Bypass mode in which the reverb effect will be immediately stopped when you turn off the reverb effect.Tone savingTo save your tone, simply press down two footswitches together and hold for 3 seconds or longer. To use your saved tone, simply press down two footswitches together again.