The microprocessor-controlled Sonicator Plus 992 is a two channel combination unit. It combines 1 and 3 MHz ultrasound with six treatment waveforms: Interferential, Premodulated, Medium Frequency, Biphasic, High volt and Microcurrent. A dual frequency 5 cm² applicator comes standard with the unit. Up to three different treatment protocols may be set up simultaneously using different timers.