The microprocessor controlled Quattro™ 2.5 is a clinical e-stim device that provides IF 4-Pole, IF 2-Pole, Russian, EMS and TENS waveforms with two separate timers. It’s portable design lets you take clinical e-stim to your patient or keep it at the clinic. It’s easy to use and up and running within minutes. And it’s advanced operating system ensures a complete range of clinical e-stim therapy no matter where you use it! You can choose between several different amplitude modulation options. The interferential and pre-modulated modes offer frequency modulation as well as a static frequency option.