Osaki OS-Pro 4D DuoMax SE Massage Chair
HSA/FSA eligible — pay with pre-tax dollars.
6-Month Price Protection: if our price drops within 6 months, Black Friday included, we'll refund the difference. Details
Every chair we sell is on the floor in both showrooms (3,500–4,000 sq ft each), so you can try them all in one visit. Walk-ins welcome · Hours
Key specs
- Size upright
- 31.5″ W x 66.0″ L x 51.0″ H
- Size reclined
- 31.5″ W x 76.0″ L x 41.0″ H
- Weight limit
- 330 lb
- Power
- 110–120V
- Warranty
- Manufacturer warranty — see warranty details
- Delivery
- White-glove delivery and setup included
House of Massage Chairs · Model Guide
The Osaki OS-Pro 4D DuoMax SE Massage Chair combines dual 4D mechanisms, an SL Flex Track, 38 air cells, and a control system built around layered coverage and real room-fit decisions.
01 · In One Minute
The decision is the second mechanism.
In brief
The DuoMax SE pairs two 4D mechanisms with 8 Roller-Track Massage, an SL Flex Track, 38 air cells, 20 auto programs, 11 massage styles, and 5.5 inches of published wall clearance. Its case is layered coverage and control choice. Its tradeoff is scale: 354.0 lb and 76.0 inches long when reclined.
Dual mechanism
Osaki's current manufacturer materials list a Duo Mech 4D+4D system and 8 Roller-Track Massage.
Track
The SL Flex Track is the chair's body-following roller path, with zero-gravity recline listed separately.
Compression
Thirty-eight air cells cover the shoulders, arms, hips, calves, and feet for a held layer around the rollers.
Heat & calves
Two heating cores, lower-back warmth, vertical calf kneading rollers, and an extending footrest shape the lower-body experience.
Control
Twenty auto programs, 11 massage styles, Smart Voice Control, phone app control, and wireless charging support repeat use.
Room fit
Plan around a 31.5-inch chair width, 76.0-inch reclined length, 354.0 lb weight, and 30.0-inch published minimum doorway.
02 · Anatomy of the DuoMax SE
Six systems. One premium chair.
Scroll through what changes the decision.
- 01
- 02
- 03
- 04
- 05
- 06
Fig. 01 — Dual 4D+4D Mechanisms
The Architecture
Two 4D mechanisms have to earn their complexity.
Osaki lists a Duo Mech 4D+4D architecture with 8 Roller-Track Massage. The 4D rollers vary depth and speed, while the dual layout gives the chair two mechanisms to share the massage workload.
- MechanismDuo Mech 4D+4D
- Roller system8 Roller-Track Massage
Why it mattersThe second mechanism matters only if you can feel the difference. Compare it with a simpler chair before paying for the label.
The Personalization
HealthPro is a guidance layer, not a diagnosis.
Osaki positions Intelligent HealthPro as sensing-guided personalization. Treat it as a wellness convenience, not medical monitoring or diagnosis.
- FeatureIntelligent HealthPro
- RoleWellness-guided personalization
Why it mattersThe buyer question is whether the sensing makes personalization easier, not how technical the screen looks.
The Surround
Rollers move. Air compression holds.
The DuoMax SE lists 38 air cells across shoulders, arms, hips, calves, and feet, plus two heating cores and lower-back heat. Compression adds a held layer around the rollers; warmth changes comfort.
- Air system38 cells
- Heat2 heating cores · lower back
Why it mattersTest whether shoulder, arm, hip, calf, and foot pressure feels supportive at settings you would actually use.
The Lower Body
The footrest has a real job.
Osaki documents vertical kneading calf rollers with air compression and an automatic extendable footrest. Calf pressure and leg length are therefore fit decisions.
- CalvesVertical kneading rollers + air
- FitAutomatic extendable footrest
Why it mattersVerify calf hold, footwell position, ankle angle, and extension for every regular user.
The Command
Deep controls, fast shortcuts.
The feature set includes Smart Voice Control, the Osaki DuoMax app, wireless charging, and quick-access side controls shown in current imagery.
- PhoneOsaki DuoMax app
- Hands freeSmart Voice Control
- ConvenienceWireless charging
Why it mattersTest the controls while reclined; routine sessions should not require a setup ritual.
The Recline
Recline is a room-planning feature.
Zero-gravity recline is listed, and Osaki publishes 5.5 inches of wall clearance.
- ReclineZero gravity listed
- Wall clearance5.5 inches
Why it mattersA 76.0-inch reclined length still needs a real floor plan, even with modest wall clearance.
03 · The Dual System
Two mechanisms should change the session, not the spec sheet.
The question is whether the second mechanism changes what you feel. Dual architecture can distribute roller work instead of asking one mechanism to travel through every zone.
Around it, the SL Flex Track sets the route, 38 air cells add compression, and 20 auto plus 11 massage styles set the level of user control.
- i.Dual 4D architectureTwo mechanisms sharing the work
- ii.SL Flex TrackThe roller route beneath the system
- iii.38 air cellsCompression around the roller work
- iv.20 auto + 11 stylesGuided or manual control
- v.354.0 lb chairAdvanced hardware has a footprint
The DuoMax SE is a wellness product, not a medical device. Evaluate HealthPro, heat, compression, and massage for comfort, not diagnosis or treatment.
04 · Body Fit
Fit has published numbers — and one important unknown.
Published width and capacity help, but they do not replace a seated fit check. The key missing specification is a current user-height range.
Read our body-fit guide →330 lb is the published maximum.
Osaki lists a 330 lb maximum. If a regular user is near that number, test the DuoMax SE with that person before ordering.
20.5-inch seat. 19.0-inch shoulder width.
Use those measurements as screening numbers, then verify shoulder position and arm comfort while seated.
The footrest extends automatically.
The extending footrest supports shared use, but calf pressure, footwell position, and leg length still need a user-by-user check.
4D depth is only an advantage if you like the feel.
The 4D mechanism varies depth and speed. Test both auto programs and manual control at your preferred pressure levels.
Do not invent the missing range.
Confirm current guidance and test where the rollers meet your neck and shoulders, calf position, and footrest extension.
05 · Feature Index
Features that change daily use.
Each line answers a different buying question. Counts are not multiplied into artificial feature totals.
Two published 4D mechanisms define the chair; test whether the second one creates meaningful value.
Osaki's published roller count describes the dual-mechanism hardware; the number alone is not a performance claim.
The track establishes the body-following massage route and works with the recline geometry.
Wellness-sensing personalization for guidance, not medical diagnosis or monitoring.
The 38 air cells massage the shoulders, arms, hips, calves, and feet, adding a held layer around the rollers.
Two heating cores and lower-back heat add warmth and comfort.
Ready-made sessions reduce setup for repeatable routines.
Manual technique choice adds direct control after you learn your preferences.
The voice control feature takes hands-free commands, so you reach for controls less while reclined.
Osaki documents DuoMax app control for compatible iPhone and Android devices.
Leg-length adjustment helps when the chair is shared.
Calf rollers work with air compression for active lower-body contact.
Osaki lists a zero gravity recline; plan the 76.0-inch reclined length before choosing the room.
Keeps a compatible phone charging without a loose cable.
06 · In Your Home
Plan the 76-inch chair before delivery day.
is the published wall-clearance requirement. It does not reduce the 76.0-inch reclined length or 354.0 lb moving weight.
Dimensions
Upright: 31.5″ W x 66.0″ L x 51.0″ H.
Reclined: 31.5″ W x 76.0″ L x 41.0″ H.
Delivery path
Osaki publishes a 30.0-inch minimum door width. Measure doors, turns, stairs, elevators, and the final-room approach before shipment.
Power
Published input is 110–120V at 50/60Hz. White Glove may connect the chair to an accessible outlet; electrical work is excluded.
Finishes
- Midnight Black
- Stormy Grey
- Beige
White Glove
Eligible service generally covers placement, basic assembly/setup, packaging removal, outlet connection, and a basic function check, subject to access and service availability.
07 · Ownership
Delivery, warranty, and access are part of the product.
Delivery
White Glove is currently included.
House of Massage Chairs says in-stock delivery can range from roughly two days to four weeks depending on logistics. Use the live ETA above for the current estimate.
Warranty
5-year Osaki warranty — see warranty details.
Osaki lists 3 years of full service plus 2 additional years of parts for the DuoMax SE, so ask us for the written coverage before you order. Your purchase is also covered by our 6-Month Price Protection, and you can pay with Affirm, as low as 0% APR, subject to eligibility.
Fitment
Measure before the carrier is booked.
Osaki publishes a 30.0-inch minimum door width and 5.5 inches of wall clearance. Measure doors, turns, stairs, and the final room against the 76.0-inch reclined length.
The DuoMax SE supports relaxation and comfort. It is not a medical device and is not intended to diagnose, treat, cure, or prevent a condition.
08 · The Buyer Fit
Choose it for the dual system. Disqualify it on fit, room, or complexity.
A strong fit if you…
- Can feel and value dual 4D architecture versus a simpler single-mechanism session.
- Want 20 auto programs plus 11 massage styles.
- Value calf kneading, compression, an extending footrest, heat, and roller coverage together.
- Want app, voice, quick physical controls, and wireless charging.
- Fit within 330 lb and can verify shoulder, seat, calf, and footrest fit.
- Can accommodate a 354.0 lb chair and 76.0-inch reclined length.
Consider another model if you…
- Do not feel enough benefit from the second mechanism.
- Need a published user-height range before deciding.
- Need a capacity above 330 lb.
- Want a lighter chair that will be moved frequently.
- Prefer fewer programs and a simpler interface.
- Want more air cells or a larger auto-program library; compare the Grand Duo.
- Want the same 8 Roller-Track Massage with a 4D+3D pair; compare the OS-Pro 4D DuoMax.
Closest Alternative
The alternative changes the emphasis, not the category.
The closest alternative is the Osaki Grand Duo 4D+4D. Both use dual 4D architecture; compare compression, programs, room geometry, capacity, and controls.
| Decision point | DuoMax SE | Grand Duo 4D+4D |
|---|---|---|
| Core roller architecture | Duo Mech 4D+4D with 8 Roller-Track Massage. | Dual 4D+4D architecture. This is not the deciding difference. |
| Compression | 38 air cells across five body regions. | Osaki lists 62 full-body air cells plus segmented armrest airbags. |
| Programs | 20 automatic programs and 11 massage styles. | Current: 41 auto and 5 manual programs. |
| Room geometry | 31.5″ wide; 76.0″ reclined length; 5.5″ published wall clearance. | The chair is 33.5″ wide and 70.9″ long reclined, and it needs a 30″ doorway when disassembled. |
| Capacity & control | 330 lb max; app, voice, quick side controls, wireless charging. | Current: 280 lb max; 8-inch wireless touchscreen, voice, side controls, sliding panel. |
DuoMax SE vs OS-Pro 4D DuoMax: the OS-Pro 4D DuoMax uses Duo Mech 4D+3D with 36 air cells; the DuoMax SE moves to Duo Mech 4D+4D with 38 air cells and publishes its footprint, a 330 lb maximum, and 5.5 inches of wall clearance. Both keep 8 Roller-Track Massage, the SL Flex Track, 20 auto programs, and 11 massage styles.
Specification Index
Osaki OS-Pro 4D DuoMax SE massage chair specifications.
Model
Massage architecture
Heat & lower body
Programs & personalization
Controls & convenience
Room & fit
Electrical
Ownership
Free US shipping with white-glove delivery and setup. Osaki lists a 5-year warranty: 3 years of full service plus 2 additional years of parts — see warranty details.
Questions
DuoMax SE questions that affect the purchase.
Where can I buy the Osaki OS-Pro 4D DuoMax SE massage chair?+
At House of Massage Chairs, an authorized Osaki dealer. You can order the Osaki OS-Pro 4D DuoMax SE online with free US shipping and white-glove delivery and setup, or buy it at our showrooms at Westfield Oakridge in San Jose and Stoneridge in Pleasanton, where walk-ins are welcome. Call or text (669) 214-8889 with questions before you order.
Can I try the Osaki DuoMax SE before I buy it?+
Yes. The Osaki DuoMax SE is on the floor at both of our showrooms, San Jose (Westfield Oakridge) and Pleasanton (Stoneridge), and walk-ins are welcome with no appointment needed. Each showroom is 3,500–4,000 sq ft and carries 45+ chairs, so you can sit in the DuoMax SE, the OS-Pro 4D DuoMax, and the Grand Duo back to back in one visit.
What are the DuoMax SE dimensions and wall-clearance requirements?+
31.5 by 76.0 inches is the reclined footprint of the Osaki OS-Pro 4D DuoMax SE. Its published dimensions are 31.5 x 66.0 x 51.0 inches upright and 31.5 x 76.0 x 41.0 inches reclined. Osaki lists 5.5 inches of wall clearance and a 30.0-inch minimum door width, and the chair weighs 354.0 lb, so measure the delivery path too.
What height and weight does the Osaki DuoMax SE fit?+
330 lb is the published maximum user weight for the Osaki OS-Pro 4D DuoMax SE. No user-height range is published, so check fit in person: the chair lists a 20.5-inch seat width, a 19.0-inch shoulder width, and an automatic extendable footrest. Call or text (669) 214-8889 with each user's height before ordering.
What is the difference between the DuoMax SE and the OS-Pro 4D DuoMax?+
The second mechanism: the Osaki OS-Pro 4D DuoMax SE uses Duo Mech 4D+4D with 38 air cells, while the OS-Pro 4D DuoMax uses Duo Mech 4D+3D with 36 air cells. Both share 8 Roller-Track Massage, the SL Flex Track, 20 auto programs, and 11 massage styles; the DuoMax SE also publishes a 330 lb maximum and 5.5 inches of wall clearance.
How does the DuoMax SE differ from the Osaki Grand Duo 4D+4D?+
Both use dual 4D+4D architecture. The Osaki DuoMax SE lists 38 air cells, 20 auto programs, 11 massage styles, a 31.5-inch width, a 76.0-inch reclined length, and a 330 lb capacity. The Grand Duo 4D+4D lists 62 air cells, 41 auto and 5 manual programs, a 33.5-inch width, a 70.9-inch reclined length, and a 280 lb capacity.
What massage mechanism and track does the DuoMax SE use?+
Duo Mech 4D+4D with 8 Roller-Track Massage runs on an SL Flex Track. Osaki's materials for the OS-Pro 4D DuoMax SE list two 4D mechanisms that vary depth and speed and share the massage workload. The dual architecture is the main reason to compare the DuoMax SE with a single-mechanism chair.
Is the Osaki DuoMax SE worth it?+
Yes, if you can feel the second 4D mechanism and will use what surrounds it: 38 air cells, vertical calf kneading, 20 auto programs, 11 massage styles, Smart Voice Control, and the DuoMax app. If the second mechanism does not feel different to you, or your room cannot take a 76.0-inch reclined length, the Osaki DuoMax SE is more chair than you need.
What warranty comes with the Osaki DuoMax SE?+
5 years, as Osaki lists it: 3 years of full service plus 2 additional years of parts. House of Massage Chairs is an authorized Osaki dealer, so ask us for the written coverage on your Osaki OS-Pro 4D DuoMax SE before you order. Your purchase is also covered by our 6-Month Price Protection, and you can pay with Affirm, as low as 0% APR, subject to eligibility.
Is the Osaki DuoMax SE HSA/FSA eligible?+
Yes. The Osaki OS-Pro 4D DuoMax SE is HSA/FSA eligible with a Letter of Medical Necessity (LMN). Our HSA/FSA massage chair guide explains how buying with HSA or FSA funds works, and you can call or text (669) 214-8889 with questions before you order the DuoMax SE.
Before You Decide
Fit can overturnthe spec sheet.
If mechanism feel, calf pressure, seat width, shoulder position, footrest extension, or controls matter, compare them in person. Bring each regular user's height and weight plus room measurements.
The DuoMax SE is on the floor at both showrooms, San Jose (Westfield Oakridge) and Pleasanton (Stoneridge). Walk-ins are welcome, no appointment needed; call or text (669) 214-8889 with questions.
The Decision
Osaki OS-Pro 4D
DuoMax SE.
Choose the DuoMax SE if its dual 4D architecture, 38-cell compression, calf system, programs, app/voice controls, 330 lb capacity, and room fit line up with your household. If the second mechanism does not feel meaningfully different, compare another model.
Osaki OS-Pro 4D DuoMax SE Massage Chair · Sold by House of Massage Chairs. Free US shipping with white-glove delivery and setup. Osaki lists a 5-year warranty — see warranty details.
Compare similar chairs
Same brand or a similar price. Crossed-out prices are the brand’s MSRP.
-
Osaki
Osaki Massage Chair Grand Duo 4D+4D
MSRP$14,999$11,999 -
Osaki
Osaki OS-Pro 4D DuoMax Massage Chair
MSRP$14,999$12,999 -
Osaki
Osaki Massage Chair 4D: Platinum Sapphire 4D+
MSRP$15,999$13,999
Try it before you buy. Every chair we sell is on the floor in both showrooms — San Jose (Westfield Oakridge) and Pleasanton (Stoneridge Mall). Walk-ins welcome, no appointment needed · Questions? Call or text (669) 214-8889.
Still deciding? How to choose a massage chair by budget · Massage chairs compared for comfort and fit
What showroom visitors say on Google
Google reviews of our San Jose and Pleasanton showrooms (store reviews, not reviews of this product), quoted as written.
Great experience. I have been to this store twice and tried many of the chairs before choosing the Osaki Trion. The sales consultants are patient, competent and thorough. I never felt pressured to make a decision until I was ready.
J. M. · Pleasanton showroom · Google review
Amazing service from Gio! Totally no rush, no pressure to make a purchase! Gio was open, and took the time and initiative to make sure we were getting the chair that best fits our needs and pricing. We glad we made this purchase!
Y. G. · Pleasanton showroom · Google review
Henry and Shawn were absolutely amazing in helping us select the chair of my dreams. They went over and above in not only helping me compare the models and benefits but to also explain the technology behind the various ones I tried. Go here and be happy with the chair you pick!
M. R. · San Jose showroom · Google review
Just had an amazing experience buying my first massage chair. Gabe was very patient and explained in detail all the different chairs available in their showroom. They have a lot of different chairs in their showroom. I highly recommend coming here if you need to buy a massage chair!
S. L. · Pleasanton showroom · Google review
My husband and I stopped in on the fly to look at a foot massager. We got the best help from Shawn. He was so patient with us in our indecisiveness. Shawn is very knowledgeable in the inventory and we willingly tried a massage chair to check the new tech of the chairs. We tried several different chairs and ended up purchasing the 'Ferrari' chair. We are so grateful for his patience, his knowledge, and his continually helping us and with all the settings. We are excited about our new purchase and we are looking forward to the benefits and relaxing moments that await. Thank you Shawn for your help and good luck to you!
S. C. · San Jose showroom · Google review
Great experience shopping for a massage chair here! The store has a wide selection of massage chairs that you can actually try, which really helped us compare the different options.
My husband and I spent about two hours trying different chairs, and Shawun was very patient and helpful throughout the entire process. He let us try all the chairs we were interested in and clearly explained the features and differences between each one. We finally found a chair that we both really liked.
We really appreciate Shawun help, as well as Michael’s assistance. Great selection and very helpful service. Highly recommended!
N. M. · Pleasanton showroom · Google review
My wife and I have been looking at Massage Chairs on line for quite some time. Everything I've read, said to go out and try several to see what is the best fit, comfort and price.
Today, we went to House of Massage Chairs and met with Henry Ipek. He showed us numerous massage chairs to find out what was the best fit for us. I think we probably tried 10 different chairs while we were in the store.
Finally, my wife and I finally agreed on one chair that we both loved. It wasn't the chair I came in for or saw on line, but it was 10X better. We spent a little more than we initially wanted to, but when you figure this is going to last us a long time, we went ahead and pulled the trigger.
Henry was wonderful dealing with and gave us a good and fair price on the massage chair.
We couldn't be more happy with our purchase and the service we got from Henry.
T. S. · San Jose showroom · Google review
We were very impressed with the selection of massage chairs and the service we received. We were able to take our time trying many different models. Shawun was knowledgeable and patient, explaining the features of each chair and helping us find one that both my wife and I liked. Michael was also very helpful. We really appreciated their friendly service and would definitely recommend this store.
S. C. · Pleasanton showroom · Google review
Henry at House of Massage Chairs provided truly exceptional service from start to finish. He spent a generous amount of time with my wife and me, helping us find the right massage chair for both of our needs. He patiently walked us through the different brands, features, and technologies, explaining each brand’s approach and how those differences translate into the actual massage experience. His knowledge and attention to detail helped us feel informed and confident in our decision.
What really set Henry apart was how far he went to help us beyond the store visit. He assisted with delivery and even helped us navigate the return of a massage chair we had recently purchased. That level of care and follow-through made a big difference to us.
Throughout the entire process, we felt that Henry genuinely cared about finding the best fit for us. If you’re considering a massage chair, I highly recommend visiting House of Massage Chairs and asking for Henry. Thank you, Henry, for your patience, expertise, and outstanding service!
B. C. · San Jose showroom · Google review
Salesman Gabe spent time with us explaining the features of each chair and the differences between chairs. No pressure sales.
D. H. · Pleasanton showroom · Google review
We had a wonderful experience here! Henry was incredibly welcoming, knowledgeable, and professional. He took the time to understand what we were looking for and quickly helped us narrow down the options based on our preferences.
The store carries a great selection of different brands and models, probably one of the most comprehensive selections we’ve seen in the Bay Area. It was really convenient to be able to try so many different chairs in one place, and we found one we loved pretty quickly.
Henry also did a great job explaining the differences between the chairs, as well as the warranty and after-sales service for each option. We really appreciated how transparent and thorough he was—it made us feel very comfortable and confident about our purchase.
Overall, it was such a pleasant and stress-free shopping experience. Great selection, great service, and very knowledgeable staff. Highly recommend Henry and this store if you’re looking for a massage chair!
C. C. · San Jose showroom · Google review
We visited the store intending to buy a chair on father's day. Gabe's exceptional patience, comprehensive knowledge of all available chairs, and friendly, non-pressuring demeanor made the experience truly enjoyable. We spent over 3 hrs trying almost every chair, so much so that we didn't realize the mall had already closed. Despite this, Gabe graciously encouraged us to take our time and not rush our decision. Ultimately, we purchased a chair that exceeded our initial budget, but its quality has proven invaluable as we use it daily. Thank you Gabe again!
C. B. · Pleasanton showroom · Google review
Read all reviews on Google: San JoseRead all reviews on Google: Pleasanton
Quoted as written on Google, reviewer initials only. Ratings and review counts as of Oct 2026.