Exclusive 3 & 5 Channel Models with Unequaled Comboplus Combination Therapy * The only 3 and 5 channel devices available * All channels allow fully-independent treatment setups as well as ComboPlus technology offering Ultrasound in combination with Interferential Premodulated Biphasic High Voltage pulsed stimulation and Russian stimulation using any available electrotherapy channel * Three Frequency Ultrasound * Dynatron 25 Series models offer 1 2 and 3 MHz frequencies for the greatest flexibility in depth of treatment * Choose 1 MHz for deep treatments 2 MHz for moderate depth or 3 MHz for superficial depth * Exclusive TARGET & TARGET SWEEP for Interferential Treatments * There\'s no easier more efficient way to focus treatment precisely where it\'s needed * Simply glide your finger across the TARGET touchpad to move the center of interference to the site of your patient\'s pain * Patented 3-Frequency Ultrasound * The only Ultrasound devices in the industry offering 1 2 and 3 MHz frequencies for the greatest flexibility in depth of treatment * Includes one of the applicator soundheads 2 5 or 10 cm