Overview Reviews Product Description Clinical Electrotherapy - Amrex Ultrasound/Stim Combo - US/54 (Low Volt), 1.0 and 3.3 MHz with 10 cm head and Standard Transducer : Dual channel LV AC with surge, tetanize and pulsation. 20 watts, pulsed or continuous output modes. Product Videos Custom Field Product Reviews Write a Review Write a Review × Amrex Amrex Ultrasound/Stim Combo - US/54 (Low Volt), 1.0 and 3.3 MHz with 10 cm head and Standard Transducer Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *