TC Electronic Quintessence Harmonizer Pedal - World of Music
Guitar Pedal X - GPX Blog - Electro-Harmonix's Intelligent Harmony Machine delivers a Neater and Smarter Harmonizer with Classic Pitchfork style Pitch-Shifting onboard too
6 Best Harmonizer Pedals In 2022 (Budget, Polyphonic, High-End & More)
TC Helicon | Product | VOICETONE HARMONY-G XT
Amazon.com: Koogo Harmonizer Digital Pedal Harmony Pitch Shifter Detune For Electric Guitar Bass With Storage Of Timbre Sound Pedal, LEF-3807 : Musical Instruments