Interferential Stimulator Dual Channel IF4000 – Pain Relief & Muscle TherapyThe Interferential Stimulator Dual Channel IF4000 provides advanced interferential current therapy for effective pain relief and muscle rehabilitation. Its dual channel design allows simultaneous treatment of multiple areas, helping alleviate acute and chronic pain, muscle spasms, and injuries. With adjustable intensity, frequency, and preset modes, the IF4000 delivers customizable, non invasive, drug free therapy for both home and clinical use.