Overview Reviews Product Description Clinical Electrotherapy - Amrex Stim Unit - MS/324A Low Volt : Dual channel. LV AC current with surge, tetanize, and pulse modes. MS324AB has battery for use when AC not used. Product Videos Custom Field Product Reviews Write a Review Write a Review × Amrex Amrex Stim Unit - MS/324A Low Volt Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *