BOSS VE-8 Acoustic Singer Guitar Vocal Effects Processor USB Pedal Stompbox | Reverb
Vocal Effects Pedals: Where To Start
TC-Helicon VoiceLive Play Vocal Effects and Harmony Pedal
Amazon.com: Zoom V6-SP Vocal Processor, Vocal Effects Pedal, Formant Pedal, Harmony, Looper, 10 Studio Grade Effects, For Studio and Live Performance : Musical Instruments