TC-Helicon Perform-V Vocal Effects Processor Vocal Multi-Effects Processor With Automatic Gain, Adaptive EQ And Dynamics, Pitch Correction,

TC-Helicon Perform-VG Vocal And Acoustic Guitar Processor Microphone Stand Mount Vocal Processor With Harmony Generator, Reverb, Echo, Pitch

TC-Helicon Perform-VK Keyboard-Controllable Vocal Processor

TC Helicon Perform V

TC-Helicon Perform-V Stand-Mounted Vocal Processor PERFORM-V