Quick view Mettler Sonicator Plus 994 4 Channel Combo Unit Sonicator Plus 994 The microprocessor-controlled Sonicator Plus 994 is a four channel combination unit. It combines 1 and 3 MHz ultrasound with six treatment waveforms: Interferential, Premodulated, Medium Frequency (Russian), Biphasic, High... MFG Price $4,999.99 Sale $4,235.99 Add to Cart Compare Compare Selected