HC SOUND is a superior ultrasound therapy device, made by Elettronica PAGANI for granting to the most professional operators a special versatile device, for performing each application with the best benefits and without any compromise. Every function has been made in order to get the best, providing the unit with the best features, both in terms of technological solutions and in terms of medical applications. Cavitation is also available: it is coming from a generation of gas bubbles,dissolved in a fluid, subjected to changes of diameter in relation to the pressure changes generated by ultrasonic treatment. Cavitation is suitable by modulating frequency up to 200 Hz, making hard mechanical effects.