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SX Mini MX Class by Yihi
SX Mini MX Class by Yihi

SX Mini MX Class by Yihi

Commercial characteristics

  • Sponsor having loaned the product for the magazine: The Little Vapoteur
  • Price of the tested product: 159 €
  • Product category according to its selling price: Luxury (over 120 €)
  • Mod type: Variable power electronics and temperature control
  • Is the mod telescopic? No
  • Maximum power: 75W
  • Maximum voltage: 9.5Ω
  • Minimum value in Ohm resistance for a start: Less than 0.1

Reviewer comments on business characteristics

Yihi, the famous high-end Chinese moderator, offers us his latest creation. For those who do not know, Yihi has made a name for itself thanks to its chipsets which clearly compete with those of the American Evolv, both in terms of quality and in terms of innovation. Then, this Chinese brand decided to offer itself beautiful “cases” for its renowned electronics through well-designed and well-designed boxes.

Much like a major car brand, Yihi continues to propose changes to its standards, but at a decent pace, which often allows them to produce products that are successful and flawless.

Today, it is the most compact of his creations, the SX Mini, which sees its lineage extended by a new version: the MX Class. Based on a simple 18650 battery, like its predecessor, the ML Class, it partly takes up the stylistic “spirit” of it. It is equipped with several new features: color screen, “joystick” button and Bluetooth connection. All managed by their latest chipset: the SX480J-BT.

A box whose price confirms that it is part of the top of the basket. 159 € is a sum, but when you want the best, you have to know how to pay the price.

So, let's see if the latest flagship of giant Yihi is still up to the expectations of high end fans.

Physical characteristics and felt quality

  • Width or Diameter of the product in mm: 26
  • Product Length or Height in mm: 95.20
  • Product weight in grams: 200
  • Material composing the product: Stainless steel, Aluminum
  • Form Factor Type: Classic Box - VaporShark type
  • Decorative style: Classic
  • Quality of decoration: Good
  • Is the coating of the mod sensitive to fingerprints? No
  • All the components of this mod seem well assembled? Yes
  • Fire button position: Lateral near the top-cap
  • Fire button type: Metal mechanics on contact caouctoucouc
  • Number of buttons making up the interface, including touch zones if they are present: 1
  • Type of user interface buttons: Mechanical metal on contact rubber
  • Quality of the interface button (s): Very good, the button is responsive and does not make any noise
  • Number of parts in the product: 2
  • Number of threads: 1
  • Quality of the threads: Very good
  • Overall, do you appreciate the quality of manufacture of this product with regard to its price? Yes

Rating of the vapelier as to feelings quality: 4.3 / 5 4.3 5 out of stars

Reviewer's comments on physical characteristics and perceived quality

On a physical level, I would simply start with: Wow !!! It is pretty, this new SX Mini MX class. The previous version, the ML class, was already very successful and it was not easy to achieve better while maintaining the lineage of this line.

The designers at Yihi nevertheless offer us an evolution consistent with the heritage of previous generations while offering a personality specific to this MX class.

I cannot objectively tell you why I have this analogy in mind but, for me, it finds its basic inspiration in the German manufacturer Mercedes. I would even say that the physical evolution of the models seems to follow that of these cars.

One of the style effects of this new model is found at its base where we discover a hollow space. As on some car models, we find this type of detail that exists to provide a kind of aesthetic signature, while providing aerodynamic improvement and weight gain.


This new SX Mini offers a design that is at the same time sober, refined and elegant. The harmonious association of curved lines, soft and more tense and dynamic lines, gives a perfect result. Indeed, our compact is strikingly beautiful.

We begin with our fire oval button that follows the curvature of the surface on which it arises. As always, this button is absolutely perfect.

Below, the color TFT ips HD screen and a unique half-spherical-shaped interface button that makes it a sort of Joystick complete the equipment. Then, finally, the micro USB port sits at the base of the front panel.


On the top of our box, there is an 510 connection cut into a disc of 24mm steel. The devil hides in the details and, if we look at this piece, we realize that the edge of the disc is slightly concave.


The back of the box accommodates the cradle cover which receives the battery. This part is a little more “massive” than the rest, a small detail which seems to originate from a desire to offer better ergonomics. We notice well on the cartridge with round edges of steel color engraved with the name of the box.

The compartment that receives our 18650 is of course perfect and the cover that covers it is adjusted to the millimeter, no game, not the smallest gap.


A new opus perfect, both in terms of very successful design as the quality of manufacture.

The new SX Mini is beautiful, well inspired and very qualitative, in short, it is perfect. It is, in my opinion, one of the most beautiful single 18650 boxes of its generation.

Functional features

  • Type of chipset used: SX
  • Connection type: 510, Ego - via adapter
  • Adjustable positive stud? Yes, through a spring.
  • Lock system ? Electronic
  • Quality of the locking system: Good, the function does what it is for
  • Features offered by the mod: Switching to mechanical mode, Battery charge display, Resistance value display, Protection against short-circuits from the atomizer, Protection against reverse polarity of batteries, Display of the current vape voltage, Display of the power of the current vape, Variable protection against overheating of the atomizer coils, Temperature control of the atomizer coils, Bluetooth connection, Support the update of its firmware , Supports customization of its behavior by external software, Display brightness adjustment, Clear diagnostic messages
  • Accusability: 18650
  • Does the mod support stacking? No
  • Number of batteries supported: 1
  • Does the mod retain its configuration without batteries? Yes
  • Does the mod offer a recharge feature? Charging function possible via Micro USB
  • Is the recharge function pass-through? Yes
  • Does the mode offer a Power Bank function? No power bank function offered by the mod
  • Does the mode offer other functions? No other function offered by the mod
  • Presence of air flow regulation? Yes
  • Maximum diameter in mms of compatibility with an atomizer: 24
  • Accuracy of the output power at full charge of the battery: Excellent, there is no difference between the requested power and the real power
  • Accuracy of the output voltage at full charge of the battery: Excellent, there is no difference between the requested voltage and the actual voltage

Vapelier's note regarding functional characteristics: 4.8 / 5 4.8 5 out of stars

Reviewer's comments on functional features

Do I really need to tell you that our MX class has everything you need in terms of technology and function?

Indeed, the new SX480J-BT chipset can do everything: Bypass, Variable power, Temperature control, TCR and Joule mode (a mode specific to SX which is similar to a TC mode but which measures the heating compared to a heat meter). It gives you access to all current vaping modes.

In variable power mode, the beautiful can take you up to 75W, in TC mode the temperature can reach 300 ° C.

TC functions are compatible with titanium, Ni200 and SS coils.

The value of the accepted resistance will be the same regardless of the chosen mode, it must be between 0.05 and 3Ω.


There is also a booster with five predefined puff profiles (Eco, Soft, Standard, Powerful and Powerful +), but you can also create your own profiles using the manufacturer's software.

Always in the idea of ​​personalizing your box, you can also choose the components displayed by the TFT screen.

The TFT ips HD color screen displays by default: power or temperature or joules depending on the mode chosen. There is also a counter in joules, the value of the resistance, the voltage, the intensity in amps, the boost chosen, the charge of the battery.

The micro USB port will be used to connect your box to your PC and thus configure everything with the software, while serving as an additional charger.

The box is equipped with a Bluetooth connection which allows it to be connected to a smartphone, we will talk about this function below.

The electronics offered by Yihi are visibly at the top, complete and precise, this new SX has everything it takes to honor its ancestors.

Evaluation of the packaging

  • Presence of a box accompanying the product: Yes
  • Would you say that the packaging is up to the price of the product? Yes
  • Presence of a user manual? Yes
  • Is the manual understandable for a non-English speaker? Yes
  • Does the manual explain ALL features? Yes

Vapelier's note on packaging: 5 / 5 5 5 out of stars

Reviewer's comments on conditioning

Here too, the Chinese brand has managed to appropriate all the codes of the high-end: a white box type “pavé”, wrapped in a transparent plastic sleeve type frosted. On the lid, we find the brand which is easily inscribed in a shiny black. On the back, the content and legal notices.

Inside, we find our box, a good quality USB cable and the manual which includes a part in French. There is also a sort of fairly rigid transparent film patch, designed to be glued to the base of the box in order to preserve it from possible scratches.


The box is, itself, contained in a small paper bag with the colors of the brand. There is another small white box that contains the protective skin of the box.

A presentation, simple, sober and classy which fits perfectly to the spirit of the box.

Appreciations in use

  • Transport facilities with the test atomizer: Ok for an inside jacket pocket (no deformations)
  • Disassembly and cleaning facilities: Easy, even standing on the street, with a simple Kleenex
  • Easy to change the batteries: Easy, even standing in the street
  • Did the mod heat up? No
  • Has there been any erratic behavior after a day of use? No
  • Description of situations in which the product has experienced erratic behavior

Vapelier's rating in terms of ease of use: 5/5 5 5 out of stars

Reviewer's comments on the use of the product

First point, the box is compact therefore easily transportable. Likewise, the silicone skin will protect her well, despite the fact that it spoils the visual aspect of the beauty a bit.

In terms of ergonomics, again the SX mini is one of the good students. The design in addition to being to die for offers a very good grip.

Changing the battery is easy, no particular difficulty, the compartment is accessible at will. Unless the skin is in place, that goes without saying.


In terms of its ergonomics, we find the basis of the five clicks to start, but the rest is to be learned. Indeed, it is necessary to appropriate the new joystick system, I will not give you a detailed description, I will just say that each movement of the latter opens the different settings and that this system requires a little adaptation time but that it remains accessible.

Our box is equipped with a Bluetooth connection, it can therefore be controlled using a free application, available on Android and Apple Store. In this case, the adjustment of the SX mini is done with ease, especially when the connection is done well and that each action on your mobile will be transmitted immediately to the Box.

The application is very well done, it allows you to adjust everything without any harm, it is very similar to the micro version except that you cannot modify or customize the display which is reserved for the PC version.

There is no need to tell you that the vape that this beautiful box offers us is one of the best in the genre. The SX mini chipsets are as efficient as those from Evolv for example.

Not much to say more, the new SX Mini is really nice to live.

Recommendations for use

  • Type of batteries used during the tests: 18650
  • Number of batteries used during the tests: 1
  • With what type of atomizer is it advisable to use this product? Dripper, Classic fiber, Sub-ohm assembly, Genesis-type rebuildable
  • With which model of atomizer is it advisable to use this product? Personally I would stay on a single coil, in 24mm RTA or dripper it doesn't matter
  • Description of the test configuration used: Tested with Zenith resistance in 0.8Ω and Kaifun 5 with resistance to 1Ω
  • Description of the ideal configuration with this product: For me a Kaifun type atomizer, Letho, Taifun, Squape or Ares for example

was the product liked by the reviewer: Yes

Overall average of the Vapelier for this product: 4.8 / 5 4.8 5 out of stars

Link to a video review or blog maintained by the reviewer author of the review

The mood ticket of the reviewer

It is difficult to find a conclusion to a test that we would almost never like to finish as we fall in love with this box.

First of all, she is beautiful, her design is just perfect. The curved and soft lines are associated with more tense lines in an irreproachable harmony. A particularly well-felt style effect at the “foot” of the box completes this already very successful design. The finishes are irreproachable, like what the Chinese, when they want, they can.

Metal controls, always as efficient and well adjusted, reinforce the qualitative sensation that emerges from our MX class.

A very good quality TFT screen accompanies a new chipset which inherits the intrinsic qualities of its predecessors. An impressive number of settings gives you great possibilities to customize your vape and the visual characteristics of the display. Something that can be tricky with the beauty's physical controls but which, thanks to a very good quality Bluetooth connection, becomes child's play.

So what can be blamed for such an achievement? Some will tell me its price!

We can indeed find that our pretty Chinese is being paid too much. But in fact it is not, we have a high-end product that has nothing to envy of European High End productions, both in terms of quality and in terms of engineering or even design.

I therefore have no other choice than to greet this new opus of the SX mini by the attribution of a TOP MOD which rewards an almost perfect product.

Good Vape

Vince

(c) Copyright Le Vapelier SAS 2014 - Only full reproduction of this article is authorized - Any modification of any kind is totally prohibited and infringes the rights of this copyright.

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About the Author

Present since the beginning of the adventure I do in the juice and stuff always keeping in mind that we all started a day. I always put myself in the skin of the consumer by carefully avoiding not falling into the geek attitude.