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Osaki OS-4000XT Massage Chair
Osaki OS-4000XT Massage Chair
Osaki OS-4000XT Massage Chair
Osaki OS-4000XT Massage Chair
Osaki OS-4000XT Massage Chair
Osaki OS-4000XT Massage Chair
Osaki OS-4000XT Massage Chair
Osaki OS-4000XT Massage Chair
Osaki OS-4000XT Massage Chair
Osaki OS-4000XT Massage Chair
Osaki OS-4000XT Massage Chair
Osaki OS-4000XT Massage Chair
Osaki OS-4000XT Massage Chair
Osaki OS-4000XT Massage Chair
Osaki OS-4000XT Massage Chair
Osaki OS-4000XT Massage Chair
Osaki OS-4000XT Massage Chair
Osaki OS-4000XT Massage Chair

Osaki OS-4000XT Massage Chair

by Osaki
$4,799.00 - $4,799.00
$4,799.00
$4,799.00 - $4,799.00
$4,799.00

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Osaki | Model OS-4000XT

Osaki OS-4000XT Massage Chair

The Osaki OS-4000XT is a 2D massage chair on an L-Track, so your glutes and upper hamstrings are worked as well as your back. Its rollers move up and down the track and side to side across it. The L-Track starts them behind your neck and follows your spine down, then turns forward at the lower back. From there it carries them out across your glutes and upper hamstrings, where an S-track stops at the tailbone and leaves the seat to airbags. Behind that track sit a 2D roller mechanism, six auto programs, six massage styles and a 220 lb user rating.

Two other pieces come as standard. A heart rate monitor sits inside the armrest, so it reads you through the arm you are already resting on and there is nothing to strap on. Zero gravity is the recline that lifts your knees above your heart, and the chair gives you two stopping points to pick between. Space saving technology walks the base forward as the backrest drops, so the OS-4000XT reaches full recline with 2 in. of wall behind it. An airbag is the bladder that inflates against a limb, squeezes and lets go, and 24 of them sit at your shoulders, arms, calves and feet. Two heating pads warm the lumbar. Reflexology is the name for pressure on specific points of the sole, and a spinning reflexology roller waits in the footwell for yours. The chair weighs about 217.1 lb, stands 60.6 by 28.8 by 44.5 in. upright, and comes with a four-speaker Bluetooth sound system and an LCD remote that names the function it is running.

Mechanism
2D
Running on an L-track
Auto programs
6
Plus 6 massage styles
Airbags
24
Compression around each limb
Max user weight
220 lb
Chair weighs 217.1 lb
L-track past the tailbone to the upper hamstrings Sensor in the armrest Two-step zero gravity 2 in. of wall clearance at full recline
Osaki OS-4000XT 2D L-track massage chair

Inside the chair

How it works

Track shape decides how far down your body the rollers reach, and the OS-4000XT is the only L-Track chair in its comparison group, taking them past the tailbone and under the seat. Behind that rail sit a 2D roller carriage, six massage styles and a sensor in the armrest.

Where an L-Track Leaves the Spine
Three track shapes turn up on massage chair spec sheets. An S-track follows the S-curve of your spine and stops at your lower back, which leaves your glutes and hamstrings to the airbags. An L-track is the whole run of that rail, and the L names the shape of its lower end. It runs from behind your neck, down the spine, past the tailbone and forward under the seat, carrying the rollers across your glutes and upper hamstrings. That is the path the OS-4000XT takes. An SL-track is the two shapes in one rail, keeping the spinal curve of the S and adding the seat extension of the L. What you feel between an L-track and an SL-track is how closely the rail follows the curve of your upper and middle back. The L rail runs a straighter line through that stretch. The OS-4000XT covers the same ground as an SL chair, neck to upper hamstrings, on the simpler and less expensive of the two rails.
Neck to upper hamstrings
A 2D Mechanism and Six Massage Styles
A 2D roller carriage moves on two axes: up and down the length of the track, and side to side across it. Depth is fixed by the mechanism, so a 2D chair holds one distance from your back for a whole session. The firmness you can change comes from the strength setting and how far you recline. A 3D massage chair runs a third axis that pushes the rollers out of the backrest and pulls them back in, so you set how hard they press. A 4D massage chair runs that same third axis and changes its speed through the stroke. Out of the two axes here come six named styles: kneading, tapping, Swedish, clapping, rolling and shiatsu, which is the pressing-and-holding one. Manual mode lets you park any of them on one spot, or run one across a whole section of your back. Mode, position, strength and roller width are all set by hand.
2 axes, 6 styles
The Sensor in the Armrest
Osaki call the part a heart rate monitor and an Ache Sensor. It sits in the armrest, so a reading costs you no setup at the start of a session: put your arms down the way you would anyway and it works from there. The Osaki Ai Envy reads you from a body condition detector you rest your fingers and palms on. The two chairs at either end of that group are the ones that take a reading at all. Either way it is a comfort feature on a consumer massage chair, it makes no diagnosis, and it is not a medical device.
Reads through the armrest
Two-Step Zero Gravity
Zero gravity is a recline, not a weightless state. The chair tips back until your knees sit above your heart and the angle between your back and your thighs opens out, so the weight of your torso rests on the backrest itself. The OS-4000XT gives you two stopping points to pick between, so you can stop at the first if the full angle is more than you want. Space saving technology slides the frame forward as the backrest drops, so 2 in. of wall is all it needs to reach either one.
2 recline stages

The numbers

Specifications

The OS-4000XT covers your body from an L-Track down to four Bluetooth speakers, with 24 airbags, an armrest sensor, two heating pads and a full recline that needs only 2 in. behind it.

L-track roller path
Neck through to the upper hamstrings
24 airbags
Shoulders, arms, calves and feet
6 auto programs
Neck and Shoulder, Strengthen, Relax, Thai, Recover, Sleeping
6 massage styles
Kneading, tapping, Swedish, clapping, rolling, shiatsu
Armrest sensor
Heart rate monitor, also called the Ache Sensor
Two-step zero gravity
Two recline stops to choose from
Lumbar heat
Two heating pads in the back section
Four Bluetooth speakers
Two in the headrest, two in the side panels

Closer look

How to use it

Osaki OS-4000XT massage chair with LCD remote control
Controls

The Screen Names What Is Running

The six auto programs are named for what they do: Neck and Shoulder, Strengthen, Relax, Thai, Recover and Sleeping. Under them, manual mode hands you the six styles one at a time, so you can hold kneading on a single point between your shoulder blades or run rolling down a whole section. Mode, massage position, massage strength and roller width all come off the LCD remote by hand. The screen names the function currently running, which matters on a chair you operate with your eyes shut. Four Bluetooth speakers are built in, two in the headrest and two in the side panels.

  • 6 auto programs: Neck and Shoulder, Strengthen, Relax, Thai, Recover, Sleeping
  • 6 massage styles: kneading, tapping, Swedish, clapping, rolling, shiatsu
  • Manual control of mode, position, strength and roller width
  • LCD remote displaying the active function
  • Four-speaker Bluetooth sound in the headrest and side panels
6 auto programs LCD remote Bluetooth speakers
Osaki OS-4000XT massage chair footrest and leg section
Air, heat and feet

A Hard Moving Contact No Airbag Can Copy

24 airbags sit at your shoulders, your arms, your calves and your feet, and they work by compression: inflate against the limb, hold, release. Two heating pads in the back section put warmth through your lumbar while a program runs. Down in the footwell, a spinning reflexology roller turns under your soles, a hard moving contact against the arch and the ball of the foot that no airbag can copy. The foot airbags inflate around it and press your feet down onto the roller, so the pressure at the sole climbs as the bags fill. The footrest slides out for longer legs, which puts your soles flat on the roller and drops your calves into the calf wells where the air can reach them. It retracts again for a shorter user, so a household of different heights shares the same chair without anyone crouching or hanging off the end.

  • 24 airbags at the shoulders, arms, calves and feet
  • Two lumbar heating pads in the back section
  • Spinning reflexology roller under the soles
  • Foot airbags press the soles onto the roller as they inflate
  • Extendable footrest
24 airbags Lumbar heat Foot roller
Osaki OS-4000XT massage chair reclined
Footprint and fit

60.6 in. Upright, 70.9 in. Reclined, 2 in. of Wall

This chair takes a different footprint upright and reclined. Upright, the OS-4000XT is 60.6 by 28.8 by 44.5 in. Reclined, it is 70.9 by 28.8 by 37.0 in. The 28.8 in. holds steady across both, so that is your width. The 10.3 in. the chair gains going back is taken up in front of it, because space saving technology walks the base forward as the backrest lowers, leaving 2 in. behind. The chair weighs about 217.1 lb and takes a user up to 220 lb. A session runs 15 minutes, and the chair draws 100W at 110 to 120 V, 60Hz. The controller cord is 59 in. and the power cord is 70.9 in., worth checking against where your outlet sits. Three numbers cover the route in. Use 28.8 in. for every doorway and hallway turn on the route. Allow 70.9 in. of floor from the back of the chair forward for the reclined length, and 2 in. of gap behind it.

  • Upright 60.6 x 28.8 x 44.5 in.
  • Reclined 70.9 x 28.8 x 37.0 in.
  • 2 in. of wall clearance for a full recline
  • Chair weight approximately 217.1 lb, maximum user weight 220 lb
  • 15 minute rated time, 100W at 110 to 120 V
  • Controller cord 59 in., power cord 70.9 in.
2 in. from the wall 220 lb capacity Space saving

Compare

How it compares

The OS-4000XT is the starting point of this group, a 2D roller on an L-Track with an armrest sensor the other three chairs do not carry, and each step above it adds roller depth, programs and user capacity, up to an AI-assisted 3D roller.

You're Here
Osaki OS-4000XT massage chair
Osaki OS-4000XT
A 2D roller on an L-track with a heart rate monitor built into the armrest, and the lowest user capacity in this group at 220 lb.
2D rollers L-track 6 auto programs Heart rate monitor
Currently viewing
Osaki OS-Tao 3D massage chair
Osaki OS-Tao 3D
Steps up to a 3D roller on a full SL-track, with three-stage zero gravity and memory profiles for more than one person in the house.
3D rollers 24 air cells 15 auto programs Memory profiles
Shop the Osaki OS-Tao 3D
Osaki Ador 3D Allure massage chair
Osaki Ador 3D Allure
The widest auto-program library in this group at twenty-one, with a triple action foot massager and calf roller underneath.
3D rollers 21 auto programs 3-step zero gravity Triple foot massager
Shop the Osaki Ador 3D Allure
Osaki Ai Envy massage chair
Osaki Ai Envy
The top of the 3D group: an AI body condition detector, thirty-eight air cells and a 280 lb capacity, the highest of the four.
3D rollers 38 air cells 280 lb capacity AI condition detector
Shop the Osaki Ai Envy

Questions

Frequently asked questions

An L-track runs from behind your neck down the spine, then turns forward at your lower back and continues under the seat. The rollers travel from your neck through your lower back and out across your glutes and upper hamstrings, which is the path the OS-4000XT takes. An SL-track joins an S-shaped section to that same L extension in one continuous rail, so it hugs the curve of your upper and middle spine more closely on the way down. Both cover the same territory, so the choice is about how closely the rail tracks the curve of your upper back on the way down, not about how far down it reaches.
2D. The roller carriage moves up and down the track and side to side across it, two axes, with the depth of the pressure fixed by the mechanism. A 3D chair adds a third axis that pushes the rollers in and out of the backrest so you can set how deep they go.
A sensor built into the armrest, carrying two names on this chair: Osaki call it a heart rate monitor and an Ache Sensor. You use it by sitting normally, with nothing to strap on and nothing to hold, and it makes no diagnosis and is not a medical device.
Six auto programs: Neck and Shoulder, Strengthen, Relax, Thai, Recover and Sleeping. Underneath them sits a manual mode with six massage styles you can aim at one spot or run across a whole section of your back.
Kneading, tapping, Swedish, clapping, rolling and shiatsu. In manual mode you also set the massage position, the massage strength and the width of the rollers.
2 in. Space saving technology slides the chair forward as it reclines, so the OS-4000XT still reaches full recline from that distance. Leave room in front for the reclined depth of 70.9 in.
Upright: 60.6 by 28.8 by 44.5 in. Reclined: 70.9 by 28.8 by 37.0 in. The chair weighs about 217.1 lb. The 28.8 in. figure is the one that holds steady between upright and reclined, which makes it your width.
220 lb, and the rating that sets how the chair fits you. The Osaki Ai Envy at the top of that group takes 280 lb, a full 60 lb more. The chair itself weighs about 217.1 lb, so a second pair of hands makes delivery easier.
Yes, in the lumbar. Two heating pads sit in the back section of the OS-4000XT and put warmth through your lower back while the massage runs.
Both. A spinning reflexology roller sits at the bottom of the footwell and works with a kneading action against your sole, and the foot airbags inflate around your feet and push them down onto it. The footrest extends for longer legs and retracts for shorter ones. Getting that length right is what places the ball of your foot and your arch over the roller, with your heel behind it.
The rated time is 15 minutes. Power draw is 100W at 110 to 120 V, 60Hz. The controller cord is 59 in. and the power supply cord is 70.9 in.
Yes. The OS-4000XT carries four Bluetooth speakers, two in the headrest and two in the side panels. Osaki call that a 4D surround sound system, which is a name for the audio and has nothing to do with the roller.
  • Mechanism: 2D
  • Track type: L-track
  • Air cells: 24
  • Auto programs: 6
  • Massage styles: 6
  • Heat: 2 lumbar pads
  • Zero gravity: 2-step
  • User capacity: 220 lb
  • Chair weight: 217.1 lb
  • Upright dimensions: 60.6 x 28.8 x 44.5 in.
  • Reclined dimensions: 70.9 x 28.8 x 37.0 in.
  • Wall clearance: 2 in.
  • Session timer: 15 minutes
  • Power: 110 to 120 V, 60 Hz, 100 W
  • Controller cord: 59 in.
  • Power cord: 70.9 in.
  • Track: L-track carrying the rollers from the neck through the lower back to the glutes and upper hamstrings
  • Air massage: 24 airbags at the shoulders, arms, calves and feet
  • Auto programs: 6 programs: Neck and Shoulder, Strengthen, Relax, Thai, Recover and Sleeping
  • Massage styles: Kneading, tapping, Swedish, clapping, rolling and shiatsu
  • Armrest sensor: Heart rate monitor in the armrest, also called the Ache Sensor
  • Zero gravity: Two-step recline, full recline 2 in. from the wall
  • Heat: Two heating pads in the back section at the lumbar
  • Audio: Four Bluetooth speakers, two in the headrest and two in the side panels
  • Mechanism: 2D carriage moving up and down the track and side to side across it
  • Foot roller: Spinning reflexology roller under the soles, with the foot airbags pressing the soles onto it
  • Footrest: Extendable footrest for longer legs
  • Controls: LCD remote showing the active function, with mode, position, strength and roller width set by hand

Free 5 Year Extended Manufacturer's / Parts & Labor Warranty

This NON-TRANSFERRABLE Warranty is provided by Titan Chair LLC.

We guarantee that your qualified product will be replaced or repaired at our option, without cost to you, should it be deemed defective because of faulty parts, workmanship or structural defects during the first FIVE (5) years of ownership, excluding specific limitations contained herein.

What Is Covered*:

  1. This warranty explicitly covers all parts, labor and framework of the chair.
  2. This warranty includes parts costs and labor for the first three (3) years at no cost to the customer.
  3. This warranty includes parts costs covered for five (5) years at no cost to the customer.
  4. Structural Framework on selected products carries for three (3) years.
  5. This extended warranty is included free with your Recovery for Athletes purchase.

What Is NOT Covered*:

  1. Any shipping expenses incurred. Transportation damage; theft; abuse; neglect; vandalism.
  2. Damages incurred due to shipping and handling, dropped products, improper installation, and/or unauthorized repairs do not constitute a defect under this warranty.
  3. Modifications or altered conditions of the original product, improper use of electrical/power supplies, electrical disturbances and power surges.
  4. Malfunctions due to improper use as well as unreasonable use or maintenance including failure to follow operating instructions.
  5. Any environmental conditions (examples: fire, floods, rust, corrosion, sand, dirt, windstorms, hail, earthquakes, and/or tornados) or any other exposure to weather conditions.
  6. This warranty does not include normal wear and tear including velcro or zipper malfunction, or tears in any fabric covering by abuse. Failures or attached points in stitching, Velcro, and zippers do not constitute as a defect for warranty.
  7. Softening/ hardening of foams and filling composites in pillows and pads; Fading, wear, and pilling of fabrics does not constitute a defect under this warranty as those items naturally change with use.
  8. Natural patterns and grains and variations in leather will not constitute as a defect under this warranty, as no two pieces of fabric are identical.
  9. The warranty shall not apply if the product has been damaged physically, whether intentionally or due accident or neglect: including stains, fluids, mold, water damage, animal damage, cuts, burns or is otherwise unsanitary, damaged or soiled.
  10. Products used in commercial or corporate settings.
  11. Products purchased from unauthorized dealers.

Implied Warranty & Other Damages:

  1. Any implied warranties shall be limited to the duration of the 1 year portion of this limited warranty, and with regard to structural framework, limited to the duration of the 3 year portion of this limited warranty.
  2. By making a purchase, you agree that Titan Chair LLC. will not be liable for any items damaged and/or lost while en route to the specified address. Any claims for such loss or damage must be addressed and resolved with the designated carrier.
  3. In no case will Titan Chair LLC. be liable for incidental or consequential damages, whether such damages are claimed on account of breach of warranty, breach of contract, negligence or strict/product liability, including without limitation, damage to property (other than the product) or other economic losses.

How to obtain warranty service:

  1. You must provide proof of purchase for any warranty claim.
  2. You must obtain a return authorization number in order to ship products to a service center.
  3. You may obtain service advice, or an RMA number by contacting the Titan Chair LLC Customer Service department toll-free at 1-888-848-2630 ext.3.
  4. This warranty gives you specific legal rights. You may also have other rights that vary from state to state.

Titan Chair, LLC Warranty Limitations and Exclusions

Warranties are non-transferable, and do not cover any damage or loss caused by: use in a commercial or corporate setting; failure to follow operating instructions; Electrical disturbances and power surges; dropped product; including but not limited to remote controls; Damage resulting from improper use or maintenance; vandalism; environmental conditions; exposure to environmental conditions (rust, corrosion, sand, dirt, wind, hail, earthquake, tornado, fire, flood); loss of use during the period that the product is being repaired; products purchased from unauthorized resellers; alterations or modifications of original condition; theft; neglect; unauthorized repairs; loss of power.
Damage that occurred due to shipping and handling does not constitute a defect under this warranty. Fading, wearing, and the pilling of fabrics does not constitute a defect under the warranty. Failures of attach points such as stitching, Velcro, and zippers do not constitute a defect under this warranty. Under no circumstance shall Titan Chair, LLC or its representatives be liable for indirect, consequential, or incidental damages (including damages for lost profits, business interruption, bodily injury, medical, etc.), even if any party has been advised of the possibility of such damages.
Warranties are only valid within the 48 contiguous United States and Canada, provided the equipment has been operated according to the instructions accompanying it. All warranties begin on the DATE OF PURCHASE. Titan Chair, LLC, at its sole discretion, will repair or replace any defective part within a reasonable time frame.

Free Curbside Delivery – Average Shipping Time 7-10 Days

Curbside Delivery ships via Freight to the 48 contiguous states. The freight company will deliver your massage chair to a carport or first-floor entryway. Please check the box dimensions and ensure it will fit through your doorway. Assembly is required and can take 30-90 minutes, depending on the chair.

Threshold Delivery – Average Shipping Time 7-10 Days

Threshold Delivery ships via Freight to the 48 contiguous states. The freight company will deliver your massage chair inside your home (no stairs) just inside the doorway. Please check the box dimensions and ensure it will fit through your doorway. Assembly is required and can take 30-90 minutes, depending on the chair.

White Glove Delivery – Average shipping time 10-16 Days

In-Home Delivery and Assembly is the same as White Glove Delivery. Your massage chair will be shipped via Freight to the White Glove Delivery warehouse. They will contact you to schedule a delivery time and date when they receive your order.

The White Glove Delivery team consists of a two person installation team that will deliver (up to 2 flights of stairs), unpack, and install your massage chair in your room of choice. These are not professional massage chair installation experts but a furniture installation team. They may or may not have installed your massage chair model before.two-person

Overall rating: 4.0 / 5 from 1 reviews.

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Perfect After a Long Day

"This was exactly what I needed after a long day and a long week! There was a small blemish that, I believe, happened during transport and not set-up, but we did not want to wait for the exchange process so we kept this one. It was a small enough mark. Used it the moment I got home. The perfect ending to my day!"

— Kristina L. (4/5)

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