The Best Ultrasound 1Mhz & 3Mhz Unit Physiotherapy Digisonic-2s Therapy Machine is the perfect choice for any clinic or home use. It offers both 1Mhz and 3Mhz ultrasound frequencies for an effective and efficient therapy. This therapy machine is easy to use and comes with a durable design that ensures a long product life. It also has a large LCD display for easy navigation and settings. With its advanced features and powerful performance, the Digisonic-2s Therapy Machine is the ideal choice for your ultrasound therapy needs.