Legend Formant Synthesizer Guitar Effect Pedal

With 4 optional resonance modes
Mix Knob For Respectively Pointing To The Mixing Ration Of 4 Resonance Modes
9 Human Vowels, The Start, Mid And End Control 3 Vowels Respectively, All Of Which Are Selected By Ctrl And Contain Different Transitional Sounds
Using The Formant Synthesizer,We Turn The Guitar Performance Signal Into A Similar Human Voice
Made of aluminum alloy shell with compact and solid design