This is a used TC Helicon Voicetone Harmony-G XT that enables singing guitarists to use vocal effects and add harmonies on the fly. Vocal effects modes are µMod, Delay, Harmony, Double, Adaptive, Tone and Pitch Correction. There are inputs for microphone, guitar and two balanced XLR outputs. This Voicetone Harmony-G XT is in good condition and is fully functional. There are signs of cosmetic wear and Velcro on the back plate.