Rowin LEF-3807 Guitar Harmonizer Pedal Digital Pitch Effect Pedals Original Signal Create Harmony/Pitch Shift/Detune True BypassAbout this item3 Effects Knobs and 1 Switch are accurate and high sensitive.The Range of Detune Mode is: -25/-20/-15/-10/-5/0/+5/+10/+15/+20/+25 cents.Up: Outputs a precise polyphonic pitch shifting voice.Detune: It slightly shifts the pitch and mixes it back with theoriginal signal to create a chorus-like effect, it rings a lot of nicespace feeling.Down: It shifts the pitch and mixes it back with the original signal to create a rich harmonic voice.Product Description Harmonizer-PitchOriginal signal to create, precise polyphonic pitch shifting with 44.1k24bit sampling, 32 bit true floating point DSP, with storage of timbresound pedal 2 Oct Pitch Range (16 optional parameters)Specifications: Input: 1/4 monaural jack (impedance: 470k Ohms) Output: 1/4 monaural jack (impedance: 100 Ohms) Power Supply: 9V DC adapter(center minus plug) Current Draw: 128 mA Dimensions: 95mm (D) × 45mm (W) × 53mm (H)Weight: 278g(with box)Package Includes: 1X Harmonizer Pedal 1X User Manual 1X Packing Box