VocoPro KC-300PROThe KC 300 Pro's Sonic Enhancer will dramatically improve the sound quality of your vocal system, allowing you to fine tune the dynamics of the high and low ends of your audio signal. There is also a studio quality 17 step DSP Key Controller to raise and lower the natural musical key by 2 full octaves, and key changes can be made to any compatible input source. Also on board are Vocal Cancel and Vocal Elimination features that remove lead vocals from