Vocal expression is essential to any great Karaoke performance. w/it, singers can make you "feel" what they are feeling, impacting you long after the performance is over. How does one attain this vocal expression The answer is complete control over vocal dynamics like tone, texture & sibilance. With the DA-X10 PRO you can fine tune particular aspects of your voice, through controlling high & low frequency contouring, range of tonal concentration & top & bottom processing of vocal strength. Whether you need to "fatten up" your vocal signal or brighten it for crisp sibilance, the results are just a few adjustments away. So, if you are seeking to unleash the full-potential of your vocal performances & seek to experience vocal dynamic control, go w/the DA-X10 PRO by VocoPro! Vocal Enhancer w/High/Low Contour, Frequency & Process controls for optimized vocal reproduction & rich, vibrant sound 13-step Digital Key Controller for transposing the key of source music to fit the natural range of your voice Digital Echo, Repeat & Delay controls add depth to Vocals Full function Remote Control for ease of operation Three Microphone Inputs w/individual Volume controls Dimensions: 19" (W) x 9" (D) x 4.5" (H)