Roland VT-4 Voice Transformer & Effects Processor Vocal Effects Processor With Harmonizing, Vocoding, Pitch Shifting, Hard Tuning, And More

TASCAM TA-1VP Vocal Processor With Antares Auto-Tune Evo Vocal Processor With Auto-Tune Evo Pitch-Correction, Microphone Modeling, Compression, And

TC-Helicon Mic Mechanic 2 Vocal Effects Pedal Processor Vocal Effects Pedal With Reverb, Delay, Pitch Correction, Adaptive Tone, And 9V Operation

Electro-Harmonix Voice Box Vocal Harmony Machine/Vocoder Processor Vocal Harmony Processor/Vocoder With Nine Presets, Reverb, Formant Control, Mic