Osaki OS-4000XT Review

The Osaki OS-4000XT is a great full body massage chair that is bundled with features that will give you the ultimate relax you’re looking for.

It’s got modern features like L-track, space saving technology, and zero gravity mode.

Osaki is an extremely popular brand of massage chair, well known for their high quality construction, sleek design and superior comfort, and the OS 4000XT is no exception to this.

Below we’re going to go over the specs and features of this massage chair, discuss what’s great about it and also a few minor drawbacks that you should know about when deciding if it’s the right chair for you. Let’s begin. 

Osaki OS 4000XT Features and Benefits

osaki os 4000xt review

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The first thing that you notice about this chair is the LED strip lighting on the side panel.

It’s also got a nice smooth faux leather that is durable. It’s a pretty chair that works with almost any decor.

It’s not super high-tech looking so you can feel free to show it off in the living room.

Inside the chair is an L-track which means the massage will run from the neck all the way down to the glutes and upper hamstrings.

24 air bags embedded into this massage chair located in the arms, feet, shoulders, and calf area.

Osaki’s has a unique engineering team that optimizes smaller counts of air bags, without losing surface area.

Compression massage is associated with health benefits according to the National Institute of Health.

Most of people enjoy the zero gravity feature. It’s a relaxing and cool feeling to feel like they’re “floating in space.” This one has two zero gravity features, which we feel is sufficient.

There are 6 pre-programmed massages: neck/shoulder, strengthen Thai, Relax, Recover, And sleeping.

There are 6 massage styles: kneading, tapping, Swedish, Clapping, Rolling, and Shiatsu.

In terms of numbers, these are pretty average. I do like Swedish massage because it’s good for athletes.

Space saving technology allows this chair to be positioned only two inches from the wall. It’s a life saver for those living in small quarters.

The Osaki OS-4000XT has a good amount of customization.

You can select manual control function mode, change the position, the strength of the massage, and even the width of the rollers for those who have broader or narrow shoulders.

Usually massage chairs have crappy bluetooth speakers, but this chair has pretty good quality bluetooth capabilities so you can connect your favorite tunes with a push of a button.

Four speakers in total for surround sound.

The LCD remote is intuitive and compact. We usually prefer these types of controllers instead of a tablet type.

There are two heating pads in the back area which is great for loosening up the muscles as the rollers penetrate into the muscles.

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Pros and Cons of the Osaki OS 4000XT

There are pros and cons to everything. Overall, we think the Osaki OS 4000XT massage chair is excellent value for money, particularly considering how jam-packed it is with features, and that the pros highly outweigh the cons.

That been said, here is a list of our favorite, and not so favorite, points about this chair:


  • Quality Japanese engineering
  • Efficient air bag system
  • Acupuncture point targeting foot rollers
  • Osaki patented Ache Sensoring


  • 2 stages instead of 3 stage zero gravity
  • Few automatic programs
  • Tethered remote

Specs of the Osaki OS 4000XT

Here is a run-down of the important product specifications of this massage chair that you should be aware of if thinking of purchasing it.

  • 15 minute timer
  • Gross weight: 217 lbs
  • Net weight: 175 lbs
  • Power consumption: 100W
  • Dimensions: 60 inches by 28.8 by 44.5 (Length, Width, Height)
  • Maximum body weight: 220lbs


Osaki OS 4000TX massage chair 3 year standard warranty agreement

Warranty covers parts and labors for the first year. Just parts for the second year. And structural framework for 3 years.

As such, you can purchase this massage chair with confidence that even if something does become faulty within the specified time frame, you’ll be covered.

That been said, Osaki is well known for the sound engineering and construction of their massage chairs, and we very rarely hear of any faults or breakages. 

Osaki OS 4000XT Massage Chair Review – Conclusion

We hope you’ve enjoyed this review of the Osaki OS 4000XT! 

Overall we see this massage chair as fantastic value for money, and highly recommend it for anyone seeking a sleek, quality massage chair that gives a comfortable, relaxing massage. 

Here are some more articles about Osaki that you may find interesting:

Top Osaki Massage Chairs
Osaki TP 8500 Massage Chair Review
Osaki OS Pro Maxim Massage Chair Review

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