Amazon.com: MOOER Harmonizer Guitar Effects Pedal up to 12 Pitches Each Pitch has 11 Harmony Modes Professional Stereo for Electric Guitar and Bass (X2) : Musical Instruments
Boss PS-6 Harmonist Pitch Shifter Effects Pedal Electric Guitar Harmon – The Music Farm
Amazon.com: VSN Guitar Harmonizer Effect Pedal Digital Octave Effects Pedals Harmony Pitch Shifter Detune For Electric Guitar Bass Mini Size True Bypass : Everything Else
DigiTech HarmonyMan Pitch Shifter Pedal | zZounds
Amazon.com: Hotone Skyline Harmony Digital Polyphonic Pitch Shift Shifting Organ 12-String Detune Guitar Bass Effects Pedal : Musical Instruments