What is two difference between 4d hifu and 7d hifu

As we all known, HIFU (High Intensity Focused Ultrasound Machine) machine is a non-invasive and a basically treatment service in the salon, clinic and spa.

HIFU is mainly for anti-ageing and body sculpting, it can be used for both face and body tightening as well as targeted fat reduction.

Now there is 2D HIFU, 3D HIFU, 4D HIFU, 7D HIFU ect on the market. Many customers asked about what is the difference between 4D HIFU and 7D HIFU. Let's see the difference details.

First, the cartridges are different. 7D HIFU machine comes with 7 cartridges, 1.5mm, 3.0mm, 2.0mm, 4.5mm for face, 6.0mm, 9.0mm, 13.0mm for body. The 2.0mm is specially designed for the nasal lines. But 4D HIFU do not have 2.0mm cartridges option.

Second, the handles are different, 7D HIFU has two handles, two handles all use HIFU cartridges, 4D HIFU has two handles, one handle with HIFU cartridge, another handle with V-max cartridges

Third, the lines are different. 7D HIFU can shot single lines. And 4D HIFU shot 1-11 lines adjustable.

Forth, the energy is different, the maximum energy of 4D HIFU is 2.0J, and the maximum energy for 7D HIFU is up to 3J.

Fifth, the frequency is different, 4D HIFU cartridges all has the same frequecy, but 7D HIFU with 2Mhz-7Mhz frequency, which will shot faster and less pain

This is the main 5 differences between 4D HIFU and 7D HIFU. Both has good effect.