Consistency, device life, voice quality and ease of voicing are important factors when choosing the right voice prosthesis. Clinical studies show that the Provox Vega has good device life and that  it provides the best voice quality, requires the lowest speaking effort and is the easiest and most effective to clean.
 

A majority of the users selected the Provox Vega as their preferred voice prosthesis compared to other voice prostheses.

Provox Vega speech samples as perceived by clinicians in blinded ratings:
 

• Less strained

• Easier to understand

• Produced with less effort

• Having a better voice quality