Boss VE-20 Vocal Effects Processor
BOSS
BOSS Ve-500 Vocal Performer Effects Pedal for Vocalists, Advanced Vocal Multi-Effects Stompbox for Singing Guitarists
BOSS
TC Helicon VOICELIVE PLAY 3-Button Vocal Effects Stompbox with Looping, Compatible with PC and Mac
TC-Helicon
Zoom V6-SP Vocal Processor, Vocal Effects Pedal, Formant Pedal, Harmony, Looper, 10 Studio Grade Effects, For Studio and Live Performance
ZOOM