Getting a massage chair is a great big personal investment because they tend to cost on the steep end and to be able to spend all that saved up money on a piece of furniture that is not only going to be with you for a long time, but also going to come with a heavy cost. Osaki OS-4000 Zero Gravity Executive Fully Body Massage ChairYou have to look at the entire cost, and keep in consideration the features you’re getting by giving what you’ve paid. This may seem like an intimidating and daunting task, but it is actually pretty simple once you look at all the different factors that go into making a good massage chair that fits your preferences.

The other thing you need to look at is why you would purchase a massage chair in the first place. To answer this question, all you need to do is examine the daily exertion that you have in your life. If you do a lot of tasks in your daily routine that leave your body feeling exhausted, and your muscles feeling exceptionally sore, then a massage chair just might be the thing for you. You also need to look at whether you require frequent intake of painkillers or massages from your family members to deal with your daily pain. A massage chair would also be very beneficial to you if you suffer from frequent chronic pain, and if it interferes with your daily life and routine to a great extent.

Dual Point Zero Gravity Feature

The Osaki OS-4000 comes with a unique dual point zero gravity feature that makes it stand out from the rest and is truly one of its biggest selling points. Osaki OS-4000 dual point zero gravity featureThis amazingly advanced system was created by the inspiration and by the in depth studying of various forms of high tech NASA electronic technology. For a massage to be of the highest optimum benefit to a person with pain, they have to assume the zero gravity position and posture.

The Zero gravity posture means that the back as to be in sync with the alignment of the thighs in terms of the back reclining. When a person is in zero gravity position, their back and thighs match up perfectly in their horizontal alignment, and this position is the best position for a person to have on a chair to be able to enjoy a good massage.

This zero gravity position is also known for reduction of pressure that is put on your back and spine by equally distributing the pressure across the entire surface of your body. The zero gravity position is also the optimal position when it comes to heart rate and blood circulation.

Air Massage Feature

The ultra innovative andOsaki OS-4000 Massage Chair patented air massage feature that the Osaki OS-4000 massage chair comes with is truly revolutionary. What this means is that the chair uses air bags and air pressure valves that are fairly distributed across the surface of the chair and its back rest in order to stimulate your muscles in different parts of your body.

Using air pressure is one of the biggest effective ways to stimulate blood flow in the body and supports healthy blood circulation throughout different muscle groups and organs. The air technology in the Osaki OS-4000 massage chair is also a great power saver as it consumes less electricity to operate. This means great things for your power bill unlike most other large electronic devices.


  • 250 pounds
  • Comes in 7 colors
  • Leg and calves massager
  • Lumbar support
  • 46 x 32 x 47 inches
  • Massage intensity controller
  • Timer function
Massage Quality

Customization Options



Customers’ Reviews and Conclusion

The customer reviews for the Osaki OS-4000 massage chair were mostly positive. The things which the customers loved the most included the high comfort level of this chair, especially the heated massager feature that they found very soothing for their pains and aches. The cons that the customers pointed out were related mostly to the intensity of the massage which they felt was a bit dull due to the extra padding in the back rest of the chair. They suggested removing the padding for better massages. Another con that some customers pointed out was the height of the pillow included that comes attached with the Osaki OS-4000.

Although this pillow works great for individuals who have a tall height, it doesn’t do so well for short statured persons as much. This can be a slight nuisance because short people cannot reach up to the height of the pillow located on the chair, and this ends up hurting their neck and back in trying to do so. The pillow cannot be taken apart from the chair because it is stuck on to the back rest.

The Osaki OS-4000 comes power packed with many great parts and features that give it a status as the best buy massage chair. There are many features that come with this chair which are loved by its customers and they are all worth the praise and the mention. Whether it be the dual point gravity feature, which releases pressure from your back and promotes blood circulation, or the ergonomic design in how the massage chair is curved in a way to support the S curve of your spine, and meshes with the curves of the rest of your body; the OS-4000 really has it all when it comes to the comfort and relieving of stress and back pain from a massage chair.

These features, plus more, are enough of a reason to consider buying this massage chair. So if you’re someone who often suffers from back pain and are of a moderately taller height, then the Osaki-4000 is definitely the massage chair you should buy, as it will accommodate your height better than other massage chairs, and guarantees to get rid of the back pain through its design.