Perhaps a more appropriate name for tremolo would be Psychedelic. From '60s psych rock, to small pub blues, to modern-day indie rock, you can find the tremolo effect throughout the air waves and on countless albums. - Varimolo is an excellent digital tremolo pedal for guitarists trying to capture the widely loved and extremely sought after tremolo sound. Like other Mooer Micro series pedals, Varimolo has a mini size with a huge tone. RATE/SHAPE/DEPTH knobs provide a great variety of adjustment options to NORMAL/FILTER/VARIABLE tremolo modes. The SHAPE knob can adjust the LFO wave shape from triangle to square. With RATE/DEPTH knobs, you can go from a warm and smooth vintage tube sounding tremolo to a wild and intensive tremolo or even a kill switch type of staccato tremolo effect similar to a flying helicopter. - In addition to NORMAL mode which provides a classic tremolo sound. Varimolo is also equipped with two new tremolo modes: FILTER A tremolo effect like an autowah effect - VARIABLE A tremolo effect which has rhythmic variations - With all of these new features and updates to this classic effect, you can use your imagination to inspire and redefine tremolo as we know it. - Three different tremolo modes: Normal/Filter/Variable - Rate, Shape and Depth controls - Compact size - Input: 1/4 monaural jack (impedance: 470k Ohms) Output: 1/4 monaural jack (impedance: 100 Ohms) Power Requirements: AC adapter 9V DC (center minus plug) Current Draw: 130 m.