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 (Russian), biphasic, high volt and microcurrent. A dual frequency 5cm² applicator comes standard with the unit. Up to three different treatment protocols may be set up simultaneously using different timers. Optional 1 and 10cm² applicators are available for this unit.