The Mettler Sonicator Plus 992 is a two channel combination unit designed as an easy to use device and a perfect fit for any practice. This combo unit has six treatment waveforms: Interferential, Premodulated, Medium Frequency, BiPhasic, HV and Microcurrent. Additionally, 3 different protocols can be set up simultaneously using different timers. Furthermore, the Mettler Sonicator Plus 992 comes standard with a 5cm2 dual frequency 1 and 3 MHz. applicator, which allows for treatment of pain management, muscle spasm reduction, muscle rehabilitation and muscle strengthening.