Zaaz 20K

Zaaz 20K


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Weight loss

Lymphatic drainage


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Bone health

Muscle strengthening and toning

Out of stock Machine Review

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Zaaz 20K Review

Since the Zaaz 20K is gaining popularity throughout America through either Costco or Sam’s Club (they are more commonly found in CA, CO, FL, TX, and SC) we decided to test one of these units and write a review on it and let our readers know what type of machine this is and if it worth their buck to have one in their home. The Zaaz Studio brand is part of the Tzone Vibration in Canada but the former is marketed primarily in the United States. The Zaaz 20K is equivalent to the Tzone VT20 and the Zaaz 15K to the Tzone VT15.

Design Overview

The Zaaz 20K is an oscillation machine that utilizes a single 500 W motor to create the teeter-totter motion. It uses a rounded square control panel and a handlebar system that wraps around to the front and back corners of the base machine. The tapering of the handlebars makes it a little less restrictive than competing machines that uses non-tapered side bars. The handlebars are good for users that require a handlebar in the front, and sides, however, because of the bars on the side, you’ll most likely have trouble doing certain exercises that require a greater degree of movement and freedom. Exercises such as calf stretches, where you are required to lean on one side to stretch the calf muscle would be more difficult to perform on the Zaaz 20K.

The machine itself is very lightweight. At under 100 lbs, you’ll find that as you put weight onto the side handlebars, there is a tendency for the machine lean and wobble towards that direction. Try leaning slightly backwards as you pull on the handlebar slightly and the machine may flip you. If you put too much of your body weight on the handlebars, as with other machines of this style, there is a chance the machine can tip over and you may end up hurting yourself. We discussed previously in other reviews that having a low machine weight and a small platform is not ideal as that creates a problem where the machine has a tendency to tip if leaned against or pulled. Also, machines that are lighter weight may shift and move on the floor when it is vibrating. The Zaaz 20K has a platform size 21″ wide X 15″ deep.

Display and Control Panel

The Zaaz 20K’s control panel no longer comes with the body fat monitor, instead, the pulse monitor replaces it for measuring the pulse. The pulse sensors are mounted conveniently on the side rails. We found that pulse monitors on vibration machines are relatively inaccurate and if you need to rely on an accurate pulse reading for whatever reason, I highly recommend buying an actual heart rate monitor. The monitor on this particular machine fluctuated by about 18% when I took 3 measurements in a span of about 2 minutes. The control panel is made of ABS plastic and displays certain interesting information like the number of steps taken, and the calories burned. The LCD screen is quite large and makes reading the display easy. 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 Zaaz 20K comes preloaded with 8 pre-programmed training routines and you can select whichever works for you–the programs will automatically change the speed settings for you during your 10 minute session and they are of different intensity.

As far as power and intensity of the vibration goes, it feels extremely familiar to the Vmax Fitness i25.  The Zaaz 20K has 99 speed settings which should be sufficient to tailor to many users in the family. It is a good bonus to have a wide speed range so that we have the option to adjust the frequency setting in lesser increments. The speed settings modifies the frequency changes that you experience when you increase or decrease the speed and you end up 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 Zaaz 20K 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. It could be a frustrating inconvenience for user’s that adapt extremely quickly to vibration training as you’ll have to spend at least 30 seconds to adjust to the higher speed settings every single time.

Movement Around the Platform

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.  If you rarely do other exercises besides standing on the platform, then this shouldn’t be an issue at all, and the handlebar system should not bother you at all. The platform is sufficient and not restrictive enough for most standing exercises.

Zaaz 20K Final Thoughts

The Zaaz 20K offers a wide range of speed settings (99 to be exact) than the comparable Vmax Fitness i25 and quite a number of accessories. Firstly, they have a chair where you can sit on to do your exercises, in additional to 3 vibration foam pads that are of varying hardness. They are useful to a certain extent and the foam pads do add an additional level of comfort for users with joint sensitivity and pain. However, the foam pads reduces the vibration felt by the user (which does, in essence, defeats the point of using the machine in the first place). The chair I haven’t really found a use for as I find sitting on the platform or the floor directly gives me more control of the exercises that I do, in addition to feeling the vibrations directly.  The Zaaz 20K has a handlebar system that is slightly more sloped than other machines of this style. It helps with the restrictiveness but it is still distracting. This machine comes at a high cost premium compared to other similar vibration machines that make this deal cold. If you want something that just works and can try personally at your nearby Sam’s Club, then this might be the machine for you. Otherwise, there are much better options out there for the price you are paying.

Tectonic M2.0


Vmax i25


Zaaz 20K


Tzone VT20

Price (shipped)$1795
Call for lowest price
Vibration TypeOscillationOscillationOscillationOscillation
Power Output1000 W500 W480 W480 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
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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



5.2 Gs


  • Two separate boxes – Tower and base unit
  • Instructional DVD
  • Exercise Poster
  • Instruction Manual
  • Nylon Hand Straps, set of 2 (non-stretchable)
  • Power Cord
  • Warranty: 1 year parts and hardware, 5 years motors

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