The microprocessor-controlled Mettler Sonicator Plus 994 is a four 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 soundhead comes standard with the unit. Up to five different treatment protocols may be set-up simultaneously using different timers.

Weight: 10.7 pounds, (4.9 kg) Dimensions: 5 in (H) x 14.5 in (D) x l0 in (L), (12.7cm (H) x 36.8 cm (W) x 25.4cm (L) Warranty: 2 years on unit, 1 year on soundhead and cable.