NuVoice - (UF-3) UF-3 - u-series wireless flute system VocoPro is a California-based professional audio company that was founded in 1991, VocoPro products are top seller and best selling for many pro audio retailers, with its 20 years of experience, VocoPro has become an industry pioneer, VocoPro name has been synonymous with professional karaoke systems, and holds the number one spot for high-end professional karaoke products, VocoPro goal: leader in professional vocal systems for singers, performers & artists all around the world.. Vocopro is a California-based professional audio company that was founded in 1991, VocoPro products are top seller and best selling for many pro audio retailers, with its 20 years of experience, VocoPro has become an industry pioneer, VocoPro name has been synonymous with professional karaoke systems, and holds the number one spot for high-end professional karaoke products, VocoPro goal: leader in professional vocal systems for singers, performers & artists all around the world.