TC Helicon VoiceTone C1 Hardtune and Correction Vocal Processor at Gear4music
Amazon.com: FLAMMA FV03 Vocal Effects Pedal Voice Changing Sounds Like Robot Male Female Baby with Delay Reverb Effects for Polishing Up Vocals Includes Guitar Input with Optional Guitar Reverb Effects : Musical
17 Best Auto Tune Pedals & Pitch Correction Pedals (2023) - Guitar Lobby