The Williams AV H90 Harmonizer features modern ARM-based architecture based on Eventide’s H9000 Harmonizer. This pedal provides the iconic reverbs, delays, modulation, and pitch-shifting effects of the H9 Max and includes ten new powerful algorithms including state-of-the-art, fast-tracking, and warble-free Polyphonic Pitch Shifting. Eventide’s proprietary SIFT (Spectral Instantaneous Frequency Tracking) technology provides fresh new processing.Eventide H90 Harmonizer Includes:H90Eventide Sticker4x Rubber feet, Guitar pickUniversal power supply with plugs (US, UK, EU, AUS)USB A to Type-C cableQuick Reference GuideEventide H90 Harmonizer Features:Preloaded with 62 effect algorithms:10 new effect algorithms: Polyphony, Prism Shift, Bouquet Delay, Head Space, WeedWacker, Even-Vibe, Wormhole, Instant Flanger, Instant Phaser, and SP2016 ReverbIncludes all 52 effect algorithms from the H9 Max Harmonizer with enhanced features and improvementsNew low-latency Polyphonic Pitch Shifting with SIFT (Spectral Instantaneous Frequency Tracking) technologyARM-based architecture lays the foundation for new and exciting creative effectsUse two algorithms at once per ProgramTrue spillover between ProgramsRoute effects in series or parallelInstrument or line-level operationTwo mono inserts or one stereo insert can be positioned anywhere in the signal chainDual-mode for processing two independent stereo signals at onceFive push-turn knobs for more tactile controlTwo expression inputs for pedals, up to 3-button auxiliary switches, and CV signalsUse H90 Control software to edit Programs, create lists, and update firmware on a Mac or PCBuilt-in tunerEventide H90 Harmonizer Specifications:Connectors:Inputs 1 – 4: ¼ inch TS mono jackOutputs 1-4: ¼ inch TS mono jackExp/Ctl 1-2: ¼ inch TRS / Expression pedal or Aux SwitchUSB Type-C: Use USB 2.0 for control, updates, and MIDIMIDI In: Five-pin DIN (Female)MIDI Out/Thru: Five-pin DIN (Female)DC Input Jack: 5.5/2.5mm plug / Center Positive (+)Analog I/O:Input Impedance (Inst. Level): >600k ohmsInput Impedance (Line Level): >80k ohmsOutput Impedance: 220 ohmsRecommended Load Impedance: 10k ohmsMaximum Input Level (Inst): +4dBuMaximum Input Level (Line): +14dBuGeneral:Power: 12V DC @ 1A / Center Positive (+), 5.5/2.5mm jackDimensions (Product): 6.5″ (W) x 5.25″ (D) x 2.5″ (H)Dimensions (Package): 10.5″ (W) x 7″ (D) x 3″ (H)Weight (Product): 1.85 lbsWeight (Package): 3 lbs Eventide H90 Harmonizer Multi-Effects Pedal.