Zaaz 20K

  • Zaaz 20K Full

Zaaz 20K


Weight loss

Lymphatic drainage


Pain relief

Bone health

Muscle strengthening and toning Machine Review

The Zaaz 20K and Tzone VT20 are essentially the same machine, but branded differently. This Tzone VT20 review is applicable to the Zaaz 20K


Not sure which machine is suitable for you? Call us for advice and our current discounted prices: 1.800.775.1592


We’ve been getting a lot of requests from users asking us about Tzone Vibration Technology’s machines and so we decided on reviewing 2 models: the Tzone VT15 and Tzone VT20.

This review covers the Tzone VT20 and we’ll cover the Tzone VT15 in another review.  The first impression when I looked at the machine is how much it resembled the Vmax Fitness i25.  The naming convention of both products are suspiciously similar.  The Tzone VT20 uses a rounded square control panel and a handlebar system that grounds the 4 corners of the base machine.  It feels fairly sturdy to the tugging but I find that tapering of the handlebars makes it not as restricting compared to the Vmax i25. The Tzone VT20 no longer comes with the body fat monitor, instead, just the pulse monitor.  The control panel is made of plastic and comes with extras like the number of steps taken, and the calories burned. The LCD screen is BIG, the center shows the speed setting you selected and on the left side shows the Pulse, Calorie, and Steps taken during your workout session.  The control panel is fairly easy to use and you would appreciate the bigger LCD compared to that of the Vmax i25.  The VT20 comes preloaded with 8 pre-programmed training routines and you can select whichever works for you–the programs will automatically fluctuate the speed setting during your 10 minute session.

As far as power goes, it doesn’t feel any different then the Vmax Fitness i25 aside from the fact that the VT20 has 99 speed settings. We loved how many speed settings the machine offered since a wider speed selection means you’re getting a smaller frequency increment per speed level and therefore, the machine can be tailored to a lot of users from varying degrees of fitness. So far, the Tzone VT20 seems to be the only oscillation machine in the market with 99 speed settings, a definite bonus, however, it did bother me as I had to push the speed up to about 50 to 60 every time I used the machine.

Resting my hands on the vibrating platform as I’m doing a shoulder press, I still find the bars on the side to be restrictive especially if I wanted to do situps or triceps dips on the vibration machine, but if you rarely do other exercises besides standing on the platform, then this shouldn’t be an issue at all, and the handlebar system is excellent for support. The platform is a little bigger then the Vmax i25 at 21″ X 15″ and there shouldn’t be any problems performing most standing exercises.

The Tzone VT20 offers slightly more features then the Vmax Fitness i25 with a handlebar system that is slightly more sloped and a wider range of speed settings–99 to be exact. However there is the higher cost premium compared to other similar vibration machines that make this deal cold. However, if you want something that just works, then this might be the machine for you.

Tectonic M2.0


Vmax i25


Zaaz 20K


Tzone VT20

Price (shipped)$1795
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Vibration TypeOscillationOscillationOscillationOscillation
Power Output1000 W500 W500 W500 W
Frequency Range (Hz)5-306-186-166-16
Amplitude (mm)11101010
Frame ConstructionSteelSteelSteelSteel
Handlebar Sturdiness10777
BMI SensorNoYesYesYes
Training DVDNoYesYesYes
Warranty5 Years5 Years1 Year1 Year
Platform Size20" x 16"20.87" x 14.5"20.8" x 14.5"20.8" x 14.5"
(Lower is Better)
Weight Capacity440 lbs330 lbs330 lbs330 lbs
More SpecificationsMore SpecificationsMore SpecificationsMore SpecificationsMore Specifications
*more blue boxes is better
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Not sure which vibration machine is suitable for you? Call us for advice and our current discounted prices: 1.800.775.1592
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Features & Specifications

Weight 105 lbs
Dimensions 28.3 x 24.4 x 53.9 in
Platform Size

20.8″ x 14.5″


Home Use

Motor Output

400 watt

Maximum User Load

330 lbs


6-16 Hz


0-10 mm

Speed Settings


G Force

5.2 Gs


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