Low Volt AC Muscle StimulatorThe Amrex MS324A combines AC power and proven reliability in a compact, professional, 4-pad low voltage muscle stimulator. The MS324A features a variable frequency range of 1-80HZ, an adjustable ramped surge rate, tetanized output, reciprocal mode, a convenient thirty minute timer and safety reset circuit. The MS324A is wall mountable for convenience in the treament room. The MS324A can also be used in conjunction with the Amrex U/50 ultrasound to provide combination therapy of both low voltage muscle stimulation and therapeutic ultrasound. MS324A features: Dual channel, 4 pad stimulator Dual intensity controls Tetanize, variable pulsation and ramped surge modes Reciprocal mode Intensity reset circuit Patient treatment stop switch Combination therapy capability Two-year warranty - Generator - Parts and Labor