The Best Harmonizer Pedals to Turn Your Guitar & Vocals Into a Lush Choir
TC Helicon | Product | HARMONY SINGER 2
Boss PS-6 Harmony Shifter Harmonizer effect pedal
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
TC Electronic | Product | QUINTESSENCE HARMONY
FLAMMA FV04 Harmony Vocal Pedal with Reverb Effects for Professional S – Flamma Innovation