TC-Helicon TC Helicon MIC MECHANIC 2 Ultra-Simple Battery-Powered Vocal Effects Stompbox with Reverb, Echo and Pitch Correction

FLAMMA FV01 Vocal Effects Processor Pitch Correction Voice Pedal Vocal Stompbox Microphone Amplifier for Singer Live Singing Streaming Recording with Delay Reverb Acoustic Guitar Playing

TC Helicon PLAY ACOUSTIC 3-Button Vocal and Acoustic Guitar Effects Stompbox with BodyRez and Looping

FLAMMA FV04 Vocal Harmony Pedal Vocal Effects Processor Stompbox Voice Mic Harmonizer with Reverb 12 Pitches with 11 Different Harmony Modes All-In-One for Singer and Guirist Singing Recording

Boss VE-500 Vocal Performer

TC-Helicon VoiceTone C1

Roland VT-4 Vocal Transformer , Black

TC-Helicon Mic Mechanic 2 Vocal Effects Pedal (VTMM2d1)

TC Helicon VOICETONE H1 Single-Button Stompbox for Realistic Guitar Controlled Vocal Harmony

BOSS VE-2 Vocal Echo Pedal for Singing Guitarists | Real-Time Vocal Harmonies and Effects | Create Harmonies with Manual Key Selection | Connect Guitar for Auto Harmony Function | 24 Harmony Types