The Frequencer ™ is a digitally controlled electro-acoustical transducer device manufactured and marketed by Dymedso. Consisting of two parts, a control unit and a power head, the Frequencer™ greatly reduces mucus viscosity by applying low-energy resonant vibrations to promote mucus flow. The Frequencer™ is easy to use, requiring no special training in breathing techniques, is priced competitively, and is well-suited to the treatment of young children..