NOX AUDIO Continuously Develops State Of The Art Audio Solutions That Provide Crystal Clear Sound For A High Quality Background Music Atmosphere.WE Believe That The Human Ear Deserves A Lot More Than The Average PA Sound Quality. That striving For Perfection In Audio Solutions Has Us Look At A Variety Of Factors Dispersion Angles Needed And How That Affects The Spread Of Frequencies, Power Needed For Those Speakers, And Amplification Designed To Perfectly Synchronize With Those Needs. NOX AUDIO Delivers Crystal Clear Voice & Relaxing Full Bodied Music For The Human Ear. Your Public Address System Should Be As Good As Listening To High End Stereo Quality Music. Achieving This Almost Impossible Goal Drives Our Philosophy And Engineers To Continuously Enhance Our Designs And Creativity.