Difference Between 40k And 80k Cavitation Machine: Which Is Better?

Feb 26,2025

40k cavitation vs 80k cavitation

Ultrasonic cavitation treatments have been increasingly popular of late as a non-invasive treatment option that reduces fats, sculpts the body, and tightens the skin. They offer a safer and non-invasive treatment compared to the conventional surgery of liposuction. The cavitation treatments also highly rely on the ultrasound waves' radio frequency used. Here we will be highlighting the difference between 40k and 80k cavitation machines and how it will help you identify whether either of them will be the right fit for you based on your needs.

How Cavitation Machine Works: The Mechanism

Cavitation machines utilize low-frequency ultrasound waves that induce small bubbles within the liquid that covers the fat cells. The bubbles collapse and break down fat cells and the body processes and eliminates them normally through the liver and the lymphatic system. The treatment not just burns the fat deposits but also stimulates the formation of collagen and tightens and smoothens the skin and improves the overall texture of the skin.

Understanding Frequency Principles of Cavitation Technology

The numbers 40k and 80k actually refer to the frequency of the ultrasound waves that the machine administers in the unit of kilohertz (kHz). The 40k machine has 40,000 cycles per second and the 80k has 80,000 cycles per second. Higher frequency corresponds with higher cycles per second of ultrasound, although it does not necessarily correspond with the results of the treatment. In fact, the depth of penetration and the area of the fat that will be treated will be radically different between the two frequencies.

40k vs 80k Cavitation: Comparison

Technical Comparison

A 40k cavitation machine has 40,000 cycles per second and is suitable for working with larger sections of the body and stripping the fat in a general way. The 80k machine with 80,000 cycles per second has a higher frequency and a higher level of precision and is suitable for working with smaller sections of the body or localized areas of the stubborn fat. The 80k machine has a higher frequency that yields a higher level of precision and quicker disintegration of the cells of the fat and quicker results that will be evident sooner.

Treatment Implications

  • 40k Cavitation Machine: Suitable for melting fats that lie deeper and targeting resistant fats found in the thighs and love handles and the tummy area. The 40k cavitation machine also effectively smoothens the skin and reduces cellulite.
  • 80k Cavitation Machine: Ideal for addressing the more surface layers of the fat deposits located in the arms and the neck and the area of the chin. The 80k machine will be faster with the higher frequency and will be great at smoothing cellulite and tightening the skin.

When considering the better machine, it should be remembered that the decision will be based on the treatment area and the results expected. The 40k machine will be superior if the intention is deeper fat removal, and the 80k machine will be superior if the need is for targeting and tightening the skin.

Factors to be Considered in 40k Cavitation Machine vs 80k​

Treatment Goals

  • Deep Fat Reduction: If the target area specifically involves deeper layers of the fat tissue, a 40k cavitation machine will be a better option.
  • Precision and Skin Tightening: For a higher definition of the superficial fat and tighter skin, an 80k device may be a better option.

Patient & Site Information

  • Fat Layer Thickness: Take the thickness of the treatment area of the fats. The 40k machine will be appropriate for the thickness of the fats and the 80k machine will be appropriate for the thickness of the fats.
  • Type of Fat Deposits: Consider the area of the fat deposits that need treatment. Fat that is resistant and found in larger areas will be better addressed with a 40k machine and smaller and localized deposits will be fine with an 80k machine.

Operational Differences

  • Noise Levels: 80k machines will be quieter compared to 40k machines and this will be a factor of major influence in the comfort of the customer.
  • Thermal Effects: The 80k cavitation device produces heat that not only increases the removal of fats and also has extra benefits of body contouring. The generation of this heat may not be suitable for everybody.

Practical Applications & Use Cases

For Clinics and Salons

Professionals in salons and clinics use 40k cavitation machines for general sculpting of the body and treatments of reducing fats. The machines are versatile and fit a variety of treatment areas and purposes. 80k machines are specifically applied in specialized treatments such as the targeting of localized fats and the improvement of the skin texture.

For Home Use

Home users looking for a simple solution to losing body fat and sculpting the body might utilize a 40k cavitation machine if they need to treat larger sections of the body. Individuals with specific problem areas, including a double chin and arm fat, might be better addressed with an 80k machine.

FAQs

What is the difference between 40k and 80k cavitation machine?

A 40k cavitation machine has 40,000 cycles per second and will be able to treat larger areas and dissolve deeper fats. An 80k machine with 80,000 cycles per second will be of higher precision and will be useful in targeting small areas and surface fats.

What is the difference between 40k and 80k cavitation?

The main difference lies in the frequency of the ultrasound waves. The 40k machine has a lower frequency and penetrates deeper into the fat layer, and the 80k machine has a higher frequency and treats a larger surface area of the fat deposits.

Is 40k or 80k cavitation better?

The choice of 40k and 80k cavitation will be dependent on the treatment that you want and the area that you need to target. 40k will be appropriate if you need the removal of deeper fats and 80k if you need targeting and tightening of the skin.

What factors should be compared between a 40k cavitation machine and an 80k cavitation machine?

Consider your treatment goals, the thickness of the treatment area's fat layer, the nature of the deposits of the fat, and operational variances including noise and thermal effect.

What is the difference between 30k, 40k and 80k cavitation machines?

The 30k cavitation machine’s waves penetrate deepest, making it best for breaking down thick fat layers. The 40k machine’s waves penetrate moderately, suitable for various fat layers. The 80k machine’s waves penetrate shallowly, ideal for superficial fat and skin tightening.

Conclusion

The primary distinction among 40k and 80k cavitation machines rests with the frequency, depth of penetration, and treatment accuracy. While a 40k machine has the advantage of deeper fat elimination and targeting of resistant deposits of fat, an 80k machine has the superior aspect of targeting and tightening the skin. The superior option will be based on the needs and treatment objectives of the individual. Consulting with a specialist and a trial session will be the best option in deciding whether the 40k or 80k frequency will be the better option in addressing body sculpting and reducing fats. 

X
🚨

Heads Up, U.S. Shoppers!

🚨
 Only U.S. Stock=Free Shipping +No Taxes!
Orders shipped from overseas (DHL/UPS/FedEx) will incur shipping fees and up to 30% in import duties due to ongoing U.S.-China tariff policies
💥 Avoid surprise charges—Shop U.S. Stock for the fastest, tax-free delivery!