BOSS VE-1 Vocal Echo Voice Effects Pedal | Guitar Center
Vocal Effects Pedals | Gear4music
Zoom V6 Vocal Processor, Vocal Effects Pedal, Formant Pedal, Harmony, Looper, 10 Studio Grade Effects, Comes With SGV-6 Shotgun Microphone, For Studio and Live Performance : Amazon.in: Musical Instruments
The best vocal effects pedals for studio and stage