Osaki OS-4000 Zero Gravity Massage Chair Review 2020

If you’re looking for a massage chair that gives you maximum levels of control over your massage then the OS-4000 is sure to impress.

The backlit LCD control panel provides unrivalled control over a huge assortment of different settings, allowing you to combine them in an almost endless array of combinations.

Besides the smart, executive-style appearance of the Osaki OS-4000, which is sure to add to many offices or living rooms, it is this vast level of control that really helps the Osaki OS-4000 to stand out from the crowd.

If you’re currently looking to buy a massage chair and are considering investing in an Osaki OS-4000, read on for our detailed Osaki OS-4000 review and guide…

Features of the Osaki OS-4000

The Osaki OS-4000 is Osaki’s mid-range model, positioning between the top-end 7200 and the introductory OS-1000 models. For a mid-range model, however, it has a truly impressive range of different options.

46 Air Bags

The number of air bags in a given massage chair is normally a sign of it’s level of quality. The more air bags a massage chair has, the more control you have over the massage, and the more “reliastic” the overall effect. In short, more air bags = better quality of massage.

The Osaki OS-4000 boasts an impressive 46 air bags – well above the average seen in the industry. This means that the 4000 can reach places that other massage chairs cannot; ideal if you’ve tried competing massage chairs in the past but been underwhelmed by their effects.

6 Preset Programs

Pre-set programs allow you to get started with your massage as easily as possible. Simply select one of the preset modes and off you go. In the case of the Osaki OS-4000, the program options are:

  • Healthcare
  • Relax
  • Therapy
  • Smart
  • Circulation
  • Demo

5 Intensity Levels

As well as these 6 preset programs, the OS-4000 also boasts 5 different levels of speed and intensity. Combined with the 6 preset programs, this creates dozens of possible combinations, perfect for finding your perfect massage program.

For the purposes of the Osaki 4000 these options are:

  • Rolling
  • Kneading
  • Clapping
  • Shiatsu
  • Swedish

Full Body Massage

It is difficult to describe exactly what it feels like the first time you sit in the Osaki OS-4000.

For want of a better way to describe the experience, you “sink into” the chair, and it gives a pleasant feeling of being surrounded on all sides – rather like being curled up in your comforter. This immediately creates a feeling of comfort, privacy and luxury.

This “cocoon” though isn’t just for stylistic purposes; it also has a very practical purpose. The 46 air bags are carefully distributed throughout the chair ready to pleasantly knead the feet, calves, back, shoulders, neck and hips.

This means that the Osaki OS-4000 offers what few other chairs really do – an opportunity to have your entire body massaged rather than just your back for a more thorough massage experience and better pain relief.

Auto Detect Massaging

The OS-4000 is the first model in the Osaki range to offer what they call “smart auto detect” massaging. What this means is that the chair is capable of detecting the curvature of your spine and then making adjustments to the massage programs in response to your body.

This not only makes massage from the 4000 a far comfortable proposition, but it also ensures the chair gets into all those important places, providing far higher quality of massage as a result. Quite simply it’s a chair that responds to your unique body shape and pose.

Incredible Level of Control

When you combine all of these different features together it becomes clear just how many options there are for creating your perfect massage All of these options and more are controlled through the simple LCD controller. The following video does a good job of demonstrating just how much control you have when using the Osaki OS-4000:

Lower Back Heating

When it comes to using a massage chair to relieve lower back pain, a feature which can really help to produce rapid results is warmth. Here the Osaki OS-4000 comes up trumps, offering the option of a heated lumbar/lower back area. This serves to help relax the muscles and joints, not to mention increasing blood flow to the area and so reducing discomfort swiftly.

160 Degree Recline

The Osaki Os-4000, like all the best massage chairs, is a recliner. This allows you to lie back while enjoying your massage, creating not only more “authentic” massage experience, but also allowing the chair to provide you an all-over massage rather than having to focus on a smaller part of your body.

A 160 recline means you will be almost horizontal when the chair reclines. “Why not totally flat?” you might ask. The simple answer is that for massage purposes you are generally best-positioned when reclined gently but not lying flat as a board. This helps to remove pressure from the joints, as well as the posterior and shoulders. Furthermore, it prevents the small of the back from drooping, which can make pain worse rather than better.

osaki os-4000

Osaki OS-4000 Reviews

The following independent reviews from owners of Osaki OS-4000 are taken from Amazon, and show some of the recent comments made by people who have tried the OS-4000 out in person:

Review #1

“After some trial and error, settled to use Healthcare with intensity and speed of 4 that seem to knock out the pain points around the muscles in neck area of spine. I do it several times a week, sometimes just for 15 min and occasionally for 30 minutes. Rest of my family mostly use ‘Relax’ mode and once they get more comfortable might try out other options. The point is you have a massage that just meets your needs.”

Review #2

“This product is great! In terms of what it has to offer, it probably tops any of the chairs you’ll see in the mall and also does it at half the cost, although IMO these things are already overpriced. There is a warning not to use the chair for more than 30 mins due to overheating.

Review #3

There is an annoying timer, which will shut off the chair, but you can always add time, and I’ve used it for more than 30 mins no problem. Also the chair is prone to electric surges, so make sure to connect it to a good surge protector (or just unplug it when not in use). The only real cons are the size and the overly powerful calf massagers, but if you think you can fit and if your wallet can afford it, buy this chair!”

Review #4

“A little pricey but in this case you get what you pay for. Very nice, full body massage chair that looks great and is well constructed. I love the arm massage which of course you don’t find in most chairs out there.”

Osaki OS-4000 Specifications

The Osaki OS-4000, like all premium chairs, weighs a considerable amount. This shouldn’t be seen as a negative aspect; indeed the simple reason for this weight is simply how well-built the chair really is. With all the the technology built in – from air cushions to computerized controllers – the weight should be seen as sign of reliability. That said, ordering online or via mail order is going to be preferable than trying to bring home this sizeable and heavy item yourself.

Osaki OS-4000 Review Conclusion

For detailed product specifications including the size of The Osaki 4000 and other additional information go to Amazon.com. The site does not only provides valuable descriptions but an honest customer feedback and complaints (if there is any) too which are very helpful in deciding to purchase one. Amazon.com also offers a very competitive price compare to other online shopping stores.

How To Choose The Best Massage Chair For You (Easy Buying Guide)

Selecting a massage chair can be a Hurculean feat. After all there are so many factors to consider that even figuring out what you want can be far from easy.

Where should you start?

What should you consider when buying a massage chair?

That’s exactly what this article aims to answer. By the end of this short post you should have a better idea about how to progress in your hunt for the best massage chair for your needs and should be able to use tools like our comparison chart to quickly narrow down the options to your perfect massage chair.

Decide on Features

The most critical aspect when choosing a massage chair is the range of features that are on offer. Making an informed decision about which features are essential for you and which ones would simply be “nice” can make it easy to narrow down the large range of options on offer.

As an example, lower-cost massage chairs tend to use a vibrating function to massage the back and posterior, while mid- to high-end massage chairs use a range of features such as massing rollers and inflating airbags to create a far more realistic massage experience, a greater range of massaging options and generally a more enjoyable massage experience.

Then of course there is the recline feature; while almost all massage chairs will recline to a degree there is a large variance in how these work. Lower-end massage chairs tend to recline to a lesser angle and typically use a “manual recline” where a lever must be pulled to lower the chair back.

Mid- to high-end chairs not only offer a mechanical recline, but in many cases recline much further. This can make for a more relaxing massage experience and helps to significantly reduce pressure on the spine.

For a full rundown of massage chair features please click here.

Check Dimensions

Secondary to the perfect combination of massage chair features come the practicalities; in this case how large is the massage chair under consideration?

Higher-end massage chairs can be very bulky while cheaper models tend to be far smaller and more compact. Measuring up the intended destination for your massage chair can help you decide whether you have the available space for the chair you’re considering.

This will not only avoid any nasty surprises when your massage chair is delivered but will also mean that individuas with less space can still be certain they can accommodate a massage chair.

Consider Style

Massage chairs are typically made in faux-leather as this is both cheaper and more practical than real leather. Equally, a tiny handful of massage chairs do offer the luxury of real leather. In addition while most massage chairs come in a single color – black – as default, a small number of other massage chair colors can be found. Brown massage chairs, for example, are not uncommon.

So while it shouldn’t be your primary consideration, it can be worth considering the aesthetics of the various massage chairs being considered in order to decide which one is most visually appealing to you (or will make your friends most jealous!).

Compare Prices

Massage chairs aren’t a cheap investment, but they can differ wildly in price. At the bottom end it is possible to spend less than $500 on a basic model. At the other end of the market, where the very best massage chairs are to be found, prices can be in the many thousands of dollars.

Deciding on your maximum budget can also therefore be helpful for choosing a massage chair. Where possible, try not to economize too much on your massage chair, however, as you will generally find that you get what you pay for. In many cases, while invariably more expensive, top-end massage chairs will offer a highly superior massage experience which many owners consider well worth the extra investment.

Consult Reviews

Lastly, consider the range of massage chair reviews currently online. Once you have filtered down all the available massage chairs by feature-set, dimensions, price and appearance the final selection is often helped by consulting online reviews.

We offer a range of massage chair reviews here on the site (click here to visit our massage chair section) or alternatively consider consulting Amazon for more independent reviews.

Osaki Vs Sogno – Massage Chairs Brand Comparison Guide

If you are looking for top-rated massage chairs, then you have probably stumbled upon the names of Osaki and Sogno. Although they are not as big and famous as Inada and Panasonic, these names have surprised most by developing top-quality chairs.

While both brands might appeal to you, you need to come to a decision eventually (unless you have so much money you can buy both.) So what do you pick? Make a great informed decision by reading this helpful comparison guide between the two labels.


Osaki is perhaps the massage chair world’s breakthrough company. Since it penetrated the market, it has been the top choice for those looking for great massage chairs – at a low price.

Osaki’s great massage chairs have been developed in facilities based in China and Europe. There, extensive research and development have been done in order to produce topnotch products, such as the top-rated Osaki OS-4000 Executive Zero Gravity Deluxe Massage Chair.

Osaki also seems to combine the best of all worlds, as evidenced by its massage chair features. Most of them come with the best capacities out there, such as body scan technology, zero gravity massage, human hand-like rollers and adjustable presets.


Sogno is the moniker of one of the world’s most popular massage chairs: the Inada Sogno Dreamwave. Launched in 2008, it has raked a number of awards and recognitions throughout the years.

Why it has earned its prestige is no surprise, given its many revolutionary features. For one, it can massage your entire body. Unlike other products, it can cover 1,200 square inches of your body. This is made possible by inflatable air cells, which compress to massage key areas such as the hands, arms, feet and legs.

Personalization is another feature of the Sogno, as it is equipped with infrared scanning technology. This helps create the personalized Shiatsu massage that will suit your body type. It also comes with an Auto-Adaptive design, so users with height anywhere from 5’ to 6’5 can use it.

Whatever massage you desire, you can have it easily with Sogno’s easy to use remote. You can take your pick amongst preset massages, or you can manipulate the specs to come up with different massage combinations.

The Verdict

Taking a pick between these two brands can be hard, but you can do so easily by determining your massage needs and desires.

Both labels come with body scan capacities, in order to choose the best massage for your body’s needs. They also feature models with zero gravity positioning, so that vertical pressure along the spinal axis is minimized. Sogno, as well as most Osaki models, deliver heated massage as well.

While they have several similarities, there are some differences that make one brand stand out from another. For example, when it comes to total body coverage, nothing beats the Inada Sogno Dreamwave. After all, this machine can cater to 1,200 square feet of your body’s surface area.

Osaki models, such as the 7075RC, have additional features, such as Thai massage. This is recommended for people who dote on stretching massages.

If you love to listen to music while having a massage, then set your sights on Osaki products, specifically the Osaki OS-7200H. It comes with a music sync massage, which delivers vibration massage according to the tempo of your tunes.

When it comes to cost, Osaki is the clear winner. It delivers high-quality, low-cost models such as the OS-1000. It is also the best choice for design-conscious consumers, as its products come in a variety of colored upholstery.

While both brands have their own set of pros, what makes the other one better will depend on your requirements. So make sure to consider the aforementioned pointers, in order to get the best value for your money.

Inada Vs Osim – Massage Chairs Brand Comparison Guide

The massage chair is dominated by a few brand names, including Inada and Osim. As manufacturers of some of the finest products in the market, their names are commonly included in the lists of the best massage chairs.

If you are thinking of investing in a massage chair, then you probably have set your sights on these two companies. Let this comparison between the two brands guide you in your purchase.

Inada Company: A Background

Inada – also known as Family Inada – is a revolutionary company that specializes in massage chairs. It was founded in 1962 by Nichimu Inada, whose smart inventions are crafted in the city of Osaka.

Inada’s claim to fame is the invention of the first automatic Shiatsu massage chair. From then on the company was unstoppable, with its numerous massage technology innovations. Under its belt, the following “firsts” were conceptualized:

* Choice between Soft and Firm Touch Kneading

* Spinal Roller

* Roller Massage with Focus on Acupressure

* Quad Roller Massage with Body Alignment

* Air Cell Massage

* Infrared Body Scan

* Full Body, Auto-Adaptive Therapy

* Joystick-Controlled Reflexology

* Comprehensive Massage Chair

* Posture Correction

Inada’s most famous massage chair remains to be the Sogno Dreamwave, which was launched in the year 2008. Designed by Toshiyuki Kita, it gained acclaim in the 2009 Consumer Electronics Show.

Another famous model is the CUBE, which received the same honors from the 2010 Consumer Electronics Show. It was also heralded as Doctor’s Choice for the Health and Wellness category.

Although these two models are Inada’s most popular models, an older model, the Inada H.9, remains as one of the pioneers of the massage chair industry. Launched in the year 2001, it makes use of infrared sensors that can detect acupressure points. Because of this feature (among many others,) it was named as “Invention of the Year” by Time Magazine.


Established in Singapore, Osim was founded by Ron Sim in the year 1980. It first started out with household products, until 1989, when the company shifted its focus to health and lifestyle products. In 1993, the company finally changed its moniker to Osim – the brand it is known today.

While Osim is a new name in the western hemisphere, it has been a well-established brand in Asia. Throughout the years, it has been the most preferred massage chair brand in Asia.

Just like Inada, Osim has a few innovations under its belt. Its most famous chair is the uAngel, the world’s first sofa transformer. True to its’ label, you can use it as a mini sofa – and as a reliable massage chair in just a push of the button.

Another recent innovation is the uDiva, the world’s first triple enjoyment sofa. Not only is it a stylish sofa, it is also a luxe lounge and a magnificent massage chair.

The Verdict

Since both companies produce exceptional chairs, each brand has its own benefit.

When it comes to innovation and functionality, Inada massage chairs are on the top of the list. After all, it has produced some of the most revolutionary items in the market – such as the Flex 3s, which is the only product in the world that combines Shiatsu massage with therapeutic stretching.

When it comes to popularity, there is no doubt that Inada is more famous in the west. However, Osim is the more trusted brand in Asia.

As for choices, Osim by far has more choices with its four products, namely the uDiva, the uAngel, the uDivine S and the uInfinity. Presently, Inada has three – the Sogno Dreamwave, the Flex 3s and the Yu-Me.

When it comes to versatility, Osim definitely takes the lead. After all, it produces models that can be transformed from sofa chairs/lounge chairs to massage chairs.

While there are chairs that trump the other with regard to features, it is a matter of determining what massage you want and what features you need. So before you decide between Inada and Osim massage chairs, it is best if you do some in-depth research!

Types Of Massage Chair (Recliners | Zero Gravity | Full Body | Ottoman)

Considering buying a massage chair but just don’t know where to start your hunt?

Don’t worry – you’re not alone.

The reality of the situation is that choosing a massage chair can be a very complicated process. After all, massage chairs aren’t cheap so it’s essential that you select the right massage chair from the outset.

One handy way to make choosing a massage chair rather easier is to consider the different types of massage chair available. In doing so you will quickly be able to cross off a large percentage of the massage chairs currently on offer, and instead focus your time on assessing just a handful of models.

In this post we’re going to look at some of the more popular types of massage chair to help speed up the selection process for you. By the time you’ve finished this article you’ll also be better armed with information about which chair might be most appropriate for your needs.

Before we begin, however, it is important to point out one warning: in many cases a specific massage chair can appear for a number of different categories. It could, for example, offer both a specific massage type *and* a specific recline angle. Just be aware as you read through the different types of massage chairs that the best chair for your needs is likely to be the one appearing in multiple categories.

Reclining Massage Chairs

Massage chairs can vary massively in price. At the bottom end of the market you could find a reasonable massage chair for a few hundred dollars. The top-end models however will set you back several thousand. The most expensive (yet impressive) models of all can cost $5,000 or more to purchase.

One factor that can affect these costs are the level and type of recline. The cheapest massage chairs, for example, may not recline at all – you will need to sit upright while enjoying your massage. Others will allow a small degree of recline, but this is often a manual process requiring you to pull a lever to recline the chair back.

Mid-range massage chairs and upwards tend to have two rather major differences. Firstly, the recline function is motorized, and controlled by a separate control panel. This can make relaxing into your reclining massage chair far more relaxing and luxurious-feeling. The other difference is the angle of recline; premium massage chairs will typically recline into an almost horizontal position, helping to releave pressure on the spine and so make for a more beneficial massage experience.

When considering massage chairs therefore, try paying attention to the level of recline each chair gives. In general, a larger angle of recline will lead to a more enjoyable massage experience for you.

Zero Gravity Massage Chairs

Zero gravity massage chairs take the recline feature to a whole new level. This feature – only seen in more expensive models – aims to mimic the seating position used by astronauts travelling into space (hence the name). This position has been developed specifically to support the body fully while relieving pressure on the back and other joints.

As a result, while you will pay for the effect, investing in a zero gravity massage chair can be worth every penny in terms of pain relief and massage enjoyment.

Full Body Massage Chairs

While cheaper massage chairs may only massage the back and shoulders, full body massage chairs aim to target every major muscle group of your body. Using leg rests and arm rests, full body massage chairs are capable of gently kneading away tension and pain in every part of the body; from the legs and arms, to your neck and lower back.

Rather like the zero gravity models, therefore, full body massage chairs tend to be more expensive, but can offer a far more effective and enjoyable massage.

Ottoman Massage Chairs

Low cost massage chairs tend to resemble comfy leather office chairs, albeit with a massaging function in the seat and back. Top-end models look far more “futuristic” and bulky, often incorporating leg rests and suchlike for a fully supportive massage experience.

In order to make more modestly-priced massage chairs more comfortable, a small number of models also come with a separate Ottoman (or leg rest). In the better models this itself offers gentle massage to yor legs. If you suffer from sore, swollen or throbbing legs at the end of the day, but would rather not fork out for a top-end model, finding one with an Ottoman or a built-in leg rest can be a reasonable compromise for getting the best possible massage for your money.

Heated Massage Chairs

It’s not just the physical action of gently kneading and massaging your muscles using rollers and airbags which can make for an effective and pain-relieving massage. Many massage chair users find that gentle warmth can also be beneficial for their joints and muscles and can help to improve the overall beneficial results of a massage chair.

Another useful feature then is to pay attention to which massage chairs provide gentle heat. This is most commonly provided in the lower back area (the most common area for back pain) though a handful of models like the Osaki OS-7200 alternatively provide a heated shoulder area to ease away more general discomfort.

Massage Chair Pads

Lastly, while this website focuses more on actual massage chairs themselves, there are a number of massage chair pads. These can be placed onto a firm chair in your home and provide a degree of massage pleasure.

Typically these massaging chair pads are considerably cheaper than a full-blown massage chair, though the effects are also much more meagre. Unless you are on an incredibly tight budget then investing in a proper massage chair is likely to provide you with the most beneficial massage experience.


As you can see there are a broad range of different types of massage chair. Hopefully by now you’ll have some ideas in mind as to the style and features that your ideal massage chair will provide. The trick now is to apply this knowledge in helping you narrow down the options available to you so that you can find the perfect massage chair for your needs.