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Osaki Manhattan Duo Mech 4D Massage Chair

by Osaki
Save 30% Save 30%
Original price $9,999.00
Original price $9,999.00 - Original price $9,999.00
Original price $9,999.00
Current price $6,999.00
$6,999.00 - $6,999.00
Current price $6,999.00

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Osaki | Manhattan Duo Mech 4D

Osaki Manhattan Duo Mech 4D Massage Chair

The Osaki Manhattan Duo Mech 4D Massage Chair works your back and your lower body in the same minute, with two roller units on one SL-Track. The SL-Track is a single rail carrying the rollers from your neck through your glutes to the top of your hamstrings. The upper unit is 4D, so its rollers move up, down, across, in and out while changing speed. The lower unit is 3D, the same movement at a steady speed, and it stays on your glutes and hamstrings. Both run inside one program at once, a tier above single-mechanism 4D models, whose one carriage can only be in one place at a time.

The other half of what you are buying sits in the left armrest. Hold the sensor there and the Manhattan Duo Mech 4D reads five things: heart rate, blood oxygen, microcirculation, heart rate variability and a fatigue index. The AI health monitor picks your program out of those readings. Sixteen auto programs and seven manual programs sit underneath. They run on an SL-track that carries the rollers from your neck through your glutes to the top of your hamstrings in one path. An S-track is the shorter rail on a massage chair, and it stops at your lower back. Around it sit 26 air cells for full body compression and carbon fiber heat at the lumbar, the seat and the calves. The mechanism is built to run quiet, the legrest extends 10 in. on its own to reach a 6 ft 4 in. user, and the chair reclines fully with 5.9 in. behind it. Maximum user weight is 260 lb, and the upholstery comes in Black, Brown and Taupe.

Mechanisms
4D + 3D
Back, then glutes and hamstrings
Health readings
5
From the left armrest sensor
Programs
16 auto
Plus 7 manual
Footrest extension
10 in.
7.5 in. foot, 2.5 in. calf
Two mechanisms, 4D and 3D AI health monitor, 5 readings 16 auto and 7 manual programs Quiet massage mechanism
Osaki Manhattan Duo Mech 4D massage chair in black

Inside the chair

How it works

A second roller unit shares the track, a sensor in the armrest picks your program from five readings, and a body scan finds your shoulders before the first stroke, all on a chair built to run quietly enough for a shared room.

The Upper Unit Is the 4D One
The 4D mechanism covers your back. The 3D mechanism sits lower, covering your glutes and the top of your hamstrings. The two run together on a single SL-track that starts at your neck and finishes at the back of your thighs. Osaki sell them under one name, Duo Mech, so be clear on which is which: the upper unit is the 4D one, the lower unit is 3D. Both are working while an auto program plays, which is the whole reason this tier exists.
4D upper, 3D lower
The AI Health Monitor
A sensor is built into the left armrest. Hold it and the chair takes five readings: heart rate, blood oxygen, microcirculation, heart rate variability and a fatigue index. It then picks a massage program out of what it read, which is how you land on one of the 16 auto programs without working down the list yourself. The Manhattan Duo is not a medical device and the readings are not diagnostic.
5 readings
Quiet Massage Technology
Osaki fit noise reduction hardware to this mechanism and sell it as Quiet Massage Technology. What that changes in practice is whether you can run the chair in a room where someone else is reading, working or sleeping. It often decides whether the chair lives in the living room or gets pushed into a spare bedroom. It is the one item on this list you cannot judge from a photograph, and the one you notice every evening the chair is switched on.
Noise reduction
A Fresh Scan Every Time Someone Sits Down
Before a program starts, the chair scans you and adapts to your contours and dimensions, so the rollers meet your shoulders and your lumbar where they actually sit. Everyone who sits down gets a fresh scan. It is the step that makes a 22 in. shoulder width and a 20 in. seat work across a household of different builds.
Per-session scan

The build

Specifications

The Manhattan Duo brings 26 air cells, 16 auto programs and 7 manual programs, and a legrest that reaches a 6 ft 4 in. user, into any room with 5.9 in. behind it.

4D and 3D on one track
Back, glutes, hamstrings
SL-track, neck to hamstrings
One continuous path
26 air cells
Full body compression
16 auto programs
Seven manual programs under them
Carbon fiber heat
Lumbar, seat and calves
Legrest extends 10 in.
7.5 in. foot, 2.5 in. calf
8 air cells in the calf rest
Deep calf kneading
7 LED colors
Plus a rainbow setting each side

Closer look

How to use it

Osaki Manhattan Duo Mech 4D massage chair in taupe
Legs and feet

A Legrest That Adds 10 Inches on Its Own

Ten inches of automatic travel is a long reach for a legrest, and it arrives in two parts: 7.5 in. at the foot section and 2.5 in. at the calf. You drive it from the remote, and it takes the chair up to a 6 ft 4 in. user, the longest automatic legrest travel of the five dual-mechanism chairs compared below. Inside the calf rest sit 8 air cells for deep calf kneading. Under your feet, memory foam and rollers work the sides and tops of your feet and the Achilles tendon.

  • Auto extension footrest, 10 in. total
  • 7.5 in. of that at the foot, 2.5 in. at the calf
  • Fits users up to 6 ft 4 in. tall
  • 8 air cells in the calf rest for deep calf kneading
  • Memory foam and foot rollers at the sides, tops and Achilles
10 in. extension Up to 6 ft 4 in. 8 calf air cells
Osaki Manhattan Duo Mech 4D massage chair in taupe, armrest detail
Armrests

The Armrests Carry Three Separate Jobs

The left armrest holds the AI health sensor. Both armrests carry a quick side control panel, so the adjustments you make most often happen under your hand while you are lying back with the touchscreen out of reach. Hand reflexology massage runs inside the same armrests, with air cells closing around each hand while the rollers work your back. The surfaces are finished in a wood grain pattern, so the armrests read as furniture rather than as equipment.

  • AI health sensor in the left armrest
  • Quick side control panel on the armrest
  • Hand reflexology massage
  • Wood grain pattern finish on the armrest surfaces
Health sensor Quick side panel Hand reflexology
Osaki Manhattan Duo Mech 4D massage chair in taupe, controller detail
Controls and cabin

Osaki Slimmed the Controller Down This Generation

Osaki slimmed the controller down from the previous generation, and the thinner 7 in. touchscreen is your main way through the 16 auto programs and 7 manual programs. Voice control starts a session with your hands where they are, once you wake the chair with its spoken wake command. The quick side panels handle the fast adjustments. Around all of it sit Bluetooth surround speakers, a wireless charger and a USB port. There is a removable pillow for a deeper back massage, and LED lighting with 7 colors plus a rainbow setting on each side.

  • Thinner 7 in. touchscreen controller
  • Intelligent voice control, wake command listed in the manual
  • Bluetooth HS surround speakers
  • Wireless charger and USB port
  • Removable pillow for a deeper back massage
  • 7 LED colors plus a changing rainbow light on each side
7 in. touchscreen Voice control Wireless charger

Compare

How it compares

The Manhattan Duo Mech 4D works your lower body with a second roller unit while the first works your back, and it is the only one of the five to pair quiet running with an AI health monitor.

You're Here
Osaki Manhattan Duo Mech 4D dual mechanism massage chair in black
Osaki Manhattan Duo Mech 4D
The entry point to the flagship dual-mech group, running 4D plus 3D with an AI health monitor and quiet-running mechanism.
4D + 3D dual mech 16 auto programs AI health monitor Quiet technology
Currently viewing
Osaki 4D Orion Duo Mech massage chair
Osaki 4D Orion Duo Mech
Puts the dual mechanism on an SL-Flex track with fifty-eight air cells and micro space-saving, so it sits close to the wall.
4D + 3D dual mech 58 air cells SL-Flex track 280 lb capacity
Shop the Osaki 4D Orion Duo Mech
Osaki Trion Flex Duo 4D+3D massage chair
Osaki Trion Flex Duo 4D+3D
Adds three arm rollers and heated foot rollers to the dual mechanism, with a walking motion through the lower body.
4D + 3D dual mech 3 arm rollers 50 air cells Heated foot rollers
Shop the Osaki Trion Flex Duo 4D+3D
Osaki Grand Duo 4D+4D massage chair
Osaki Grand Duo 4D+4D
The only chair running two full 4D mechanisms at once, with sixty-two air cells and a three-stage zero gravity recline.
Dual 4D mech 62 air cells 41 auto programs 3-stage zero gravity
Shop the Osaki Grand Duo 4D+4D
Osaki Ai Apex Duo 5D+4D massage chair
Osaki Ai Apex Duo 5D+4D
The top of the Osaki line, with a 5D upper mechanism and the largest auto-program library of any chair here.
5D + 4D dual mech 62 air cells 46 auto programs 1 in. wall clearance
Shop the Osaki Ai Apex Duo 5D+4D

Questions

Frequently asked questions

No, and the distinction matters at this price. The upper mechanism is 4D and works your back. The lower mechanism is 3D and works your glutes and the top of your hamstrings. Osaki sell the pair under one name, 4D + 3D Dual Mechanism Technology. The genuinely unusual part is that both run at the same time on one SL-track.
Five things, from a sensor built into the left armrest: heart rate, blood oxygen, microcirculation, heart rate variability and a fatigue index. The chair uses those readings to pick one of its 16 auto programs for you. The Manhattan Duo is not a medical device, and nothing it reads is a diagnosis.
16 auto programs and 7 manual programs. The auto programs are what the AI health monitor chooses between, each one a full routine that plays from a single press. The manual programs are the ones you set yourself from the touchscreen, picking the technique and parking it on one section of your back for as long as you want.
26 air cells in total, positioned through the chair for full body compression. 8 of them sit in the calf rest and drive the deep calf kneading. The rest of the chair shares the other 18.
Three places: your lumbar, the seat and your calves. The elements are carbon fiber, and the heat runs alongside the rollers and the air cells through the program.
Up to 6 ft 4 in. The auto extension footrest adds 10 in. in total, split 7.5 in. at the foot section and 2.5 in. at the calf, and you drive it from the remote.
260 lb. The chair itself is 273.2 lb, and that is the number whoever carries it up your stairs has to handle.
5.9 in. Space Saving Technology lets the backrest drop to a complete zero gravity recline, which is the position that lifts your knees above your heart. Clearance behind the chair is just under six inches. Measure that gap from the wall to the back of the chair with it sitting upright, and remember the footprint grows forward as the legrest comes out.
Quiet Massage Technology is noise reduction hardware built into the mechanism, fitted to the two roller carriages and the pumps that drive the air cells. It still moves two roller carriages and a set of air pumps, so expect a working sound and not silence. Where it counts is a shared room in the evening, next to someone watching television, and that is the test this model is built to pass.
Yes, and it is one of three ways in. There is a thinner 7 in. touchscreen controller, slimmer than the one on the previous generation, which carries the full menu. Intelligent voice control starts a session once you wake the chair with its spoken wake command. Quick side control panels on the armrests handle the fast adjustments mid-session, so you can change intensity without sitting up for the screen.
The prevent-trapped sensor catches it and the touchscreen shows a warning. Clear the area, press Clear on the controller, and the massage picks up where it left off.
Bluetooth HS surround speakers, a wireless charger and USB port, and hand reflexology massage in the armrests. Then a removable pillow for a deeper back massage, wood grain armrest surfaces, and LED lighting with 7 color options plus a changing rainbow light on each side. The chair comes in Black, Brown and Taupe, with the same mechanism, the same 26 air cells and the same carbon fiber heat under each one.
  • Mechanism: 4D + 3D dual
  • Track type: SL-track, neck to hamstrings
  • Air cells: 26 total, 8 of them in the calf rest
  • Auto programs: 16
  • Manual modes: 7
  • Heat: Carbon fiber elements at the lumbar, seat and calves
  • Health readings: 5, from the left armrest sensor
  • Footrest extension: 10 in. total, 7.5 in. foot and 2.5 in. calf
  • User height: Up to 6 ft 4 in.
  • User capacity: 260 lb
  • Chair weight: 273.2 lb
  • Shoulder width: 22 in.
  • Seat width: 20 in.
  • Wall clearance: 5.9 in.
  • Touchscreen: 7 in.
  • Lighting: 7 LED colors plus a rainbow setting
  • Mechanism: 4D upper unit on the back, 3D lower unit on the glutes and top of the hamstrings, both running together
  • Track: SL-track running from the neck through the glutes to the top of the hamstrings
  • Air massage: 26 cells for full body compression
  • Auto programs: 16 auto programs with 7 manual programs underneath
  • Heat: Carbon fiber elements at the lumbar, the seat and the calves
  • Footrest: Auto extension of 10 in., 7.5 in. at the foot and 2.5 in. at the calf
  • Calf massage: 8 air cells in the calf rest for deep calf kneading
  • Lighting: 7 LED colors plus a changing rainbow setting on each side
  • AI health monitor: Left armrest sensor takes five readings and selects a program from them
  • Noise reduction: Quiet Massage Technology, noise reduction hardware built into the mechanism
  • Body scan: Smart body scan runs before every session and adapts to the sitter
  • Controls: 7 in. touchscreen controller, intelligent voice control, quick side panels on both armrests

3 Year Standard Manufacturer's / Parts & Labor Warranty

 

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

We guarantees 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 THREE (3) 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 year at no cost to the customer.
  3. This warranty includes parts costs covered for the second year at no cost to the customer.
  4. Structural Framework on selected products carries for three (3) years.
  5. The additional extended warranties includes parts and labor costs covered at no cost to the customer.

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.
  12. Under this warranty, if a product is determined to be unfixable and requires replacement, the customer is responsible for placing the chair in the garage or another accessible location for the driver to pick up. The returned item must be properly packaged; otherwise, the agent will not be able to pick it up. Upon delivery, the delivery agent will place the chair in the driveway or the nearest accessible area, such as the garage.

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