Osaki OS-Pro Soho II review
The Soho II is discontinued and no longer sold new. This review covers what the J-track and 4D mechanism actually deliver, what the space-saving design costs you, and what owners and secondhand buyers need to know.
The OS-Pro Soho II was Osaki's compact 4D answer to buyers who wanted J-track coverage and a 4D mechanism without the footprint — or the price — of their upper tier. It is now discontinued and no longer sold new.
That changes what this review is. The chair is gone from retail — what remains is a secondhand market, owners who want to understand what they bought, and buyers comparing it against current alternatives. This review covers what the mechanism actually delivers, what the discontinued status means for parts and warranty, and what to check before buying one used.
What this chair is, and what it isn’t
The Soho II is a J-track 4D chair with a serious space-saving constraint built into its engineering: it reclines fully with 4.5 inches of wall clearance by moving the seat forward rather than the back outward. That is the decision the chair was built around, and it shapes everything else about it — why it is shorter than the Highpointe, why it has two-stage rather than three-stage zero gravity, why the heat system is a roller-integrated back heater rather than a multi-zone infrared setup.
The chair was not under-specced by accident. It was specced for a specific buyer: someone with a constrained room, a mid-range budget, and no intention of paying for features they cannot physically accommodate. That buyer still exists. The discontinuation does not change whether the chair fits the room or whether the mechanism works.
What discontinuation does change: parts availability over time, warranty coverage for anyone buying secondhand, and the fact that Osaki’s engineering attention has moved forward. Those are real considerations, not reasons to dismiss the chair.
Specifications
| Specification | Detail | ||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Price | Discontinued — secondhand market only | ||||||||||||||||||||||||||
| Track type | J-Track — spine curvature through glutes | ||||||||||||||||||||||||||
| Roller mechanism | 4D — depth, speed, and rhythm variation; quad roller head | ||||||||||||||||||||||||||
| Manufactured | China (Osaki / OTA World) | ||||||||||||||||||||||||||
| Warranty | Parts + in-home labour yr 1 / parts only yr 2 / frame yr 3 — non-transferable | ||||||||||||||||||||||||||
Show all 16 specifications
| |||||||||||||||||||||||||||
The heat row is worth reading carefully. The Soho II has a heated back roller — warmth delivered through the roller mechanism itself as it moves — plus calf heating. Neither is a passive infrared zone. The roller heat is active during the massage sequence; it dissipates when the rollers stop. Buyers expecting to use the chair as a heat therapy seat between massage sessions will not find that here. That is a meaningful difference from the Highpointe’s lumbar infrared and heated shawl, and it matters most for buyers who run the chair primarily for heat rather than massage.
The J-track, plainly
The J-track follows the spine from the cervical vertebrae through the lumbar and into the glutes. Osaki calls this J-track on the Soho II and SL-track on the Highpointe; the mechanical coverage is the same. Both extend roller contact past where a standard S-track stops.
Where the Soho II differs from the Highpointe in track terms is overall length. At 57.48 inches upright, it is over a foot shorter than the Highpointe’s 69 inches. That shorter frame is what makes the space-saving mechanism possible. The roller extension into the glutes is the same; the total back coverage and the physical experience of the track sweep will feel shorter.
The 4D mechanism
Speed and rhythm variation — which is what 4D adds to standard 3D depth control — is present here in full. The quad roller head distributes pressure across four contact points rather than two, which is what produces the less mechanical, more palm-like sensation Osaki’s marketing describes.
The customisation range is five speed levels, three width settings, five intensity levels, and five air pressure intensities. That is a wide range for a mid-tier chair. Buyers who want to work the mechanism rather than pick from presets and accept them will find it there.
Space saving: the engineering trade-off
The 4.5-inch wall clearance works by moving the seat forward as the back reclines. This is a genuine mechanism, not a marketing claim — and it has a genuine trade-off.
The trade-off: the chair extends forward to just under 65 inches at full recline. Space that does not exist behind the chair has to exist in front of it. Buyers who measure the wall clearance and neglect the forward extension sometimes find this out after delivery. Measure both dimensions before ordering.
Body scanning: calibration, not personalisation
The Soho II’s marketing describes the body scan as mapping key points that are “remembered so that every massage is individually personalized.” That is worth reading more carefully than the headline implies.
What the warranty actually says
The Osaki warranty is non-transferable — which means secondhand buyers have no warranty coverage at all, regardless of how much time remained when the original owner sold the chair. Budget for out-of-pocket repairs from day one.
For owners who bought new: the structure is parts and in-home labour for year one, parts only for year two, structural framework only for year three.
For owners: check your original purchase date before calling for a repair. If you bought within the last two years, parts coverage may still be active even if the in-home labour window has closed.
Two-stage zero gravity
The Soho II reaches the position that matters: second-stage zero gravity, legs elevated to heart level, weight redistributed across the full back rather than concentrated at the lower spine. The third stage — which the Highpointe has — goes flatter still. For most buyers two-stage is enough; if you have specifically used a three-stage chair and want that deeper angle, the absence is real.
The secondhand calculation
The Soho II still appears on the used market — Facebook Marketplace, Craigslist, resale platforms — and the mechanism, track coverage, and feature set are unchanged from when it retailed at $5,999. The chair works exactly as it always did.
What changes on the secondhand market is the warranty — or rather, the absence of one. Osaki’s warranty is non-transferable: it does not pass to a new owner regardless of how recently the chair was purchased or how much time remained. Budget for out-of-pocket repairs from day one, and factor that into what you pay. Parts availability for discontinued Osaki models generally holds for several years post-discontinuation, but confirm with Osaki directly if you are buying a chair that is more than three or four years old.
The secondhand case: if the space-saving specification solves a real problem in your room and the price reflects a meaningful discount against current alternatives with the same track coverage and mechanism tier, the Soho II used is a reasonable purchase. Inspect it in person if at all possible — the rollers, the recline mechanism, and the airbag system are the components most likely to show wear.
What Osaki replaced it with
The direct successor to the Soho II is the Osaki Vibe 4D, currently available new across Osaki’s retail and Amazon channels. The concept is the same — compact footprint, space-saving recline, 4D mechanism — but Osaki upgraded nearly everything around it. The Vibe 4D uses an SL-track (53 inches) rather than a J-track, moves to three-stage zero gravity, expands the program library from 6 to 24 auto programs, adds deep calf kneading with a moving calfrest, and includes lumbar and foot heat therapy plus wireless charging.
The track naming change — J-track on the Soho II, SL-track on the Vibe 4D — sounds significant but the mechanical coverage is equivalent. What is genuinely different is the 53-inch track length, the three-stage zero gravity, and the calf kneading system, which is a meaningfully different feature from the Soho II’s static calf heating.
If you are buying new, the Vibe 4D is the chair. If you are buying secondhand and the Soho II is priced well below what a used Vibe 4D costs, the Soho II remains a reasonable purchase for the right room.
Who should look elsewhere
Buyers who want heat as a standalone therapy — the Soho II’s roller-integrated back heat works during the massage sequence. It is not a lumbar infrared zone you can run while sitting still. The Highpointe’s three-zone heat system, including the heated shawl, is a different category of feature.
Buyers who want the deepest recline position — two-stage zero gravity reaches the relevant angle, but buyers who have specifically experienced three-stage and want that additional depth will notice the difference.
Buyers uncertain about long-term parts support — if you plan to own a massage chair for seven to ten years, buying a current model with an active production run is the lower-risk choice. The Soho II’s discontinuation is not an immediate problem; it is a consideration at year four or five. If the space-saving footprint is the actual draw and the discontinued status is the sticking point, the OS-4000XT solves the same room-constraint problem — an even tighter 2-inch wall clearance — on a chair still in production.
Buyers whose room actually fits a full-size chair — if the space constraint is not the deciding factor, a current 4D SL-track model gives you more certainty on parts and warranty support going forward.
Conclusion
The Soho II was built for one buyer: someone with a constrained room who wanted J-Track coverage and a 4D mechanism without paying for a full-size chair. That buyer still exists, and the chair still delivers on that argument — the mechanism is unchanged, the track coverage is real, and the space-saving design works as documented.
What discontinuation changes is the ownership picture going forward. No warranty transfers, parts availability will narrow over time, and Osaki’s engineering has moved on. For a buyer who finds a well-priced used unit, inspects it in person, and understands what they are getting, the Soho II remains a sound purchase. For a buyer who wants a current production run with full warranty coverage, the OS-4000XT solves the same room constraint on a chair still being manufactured.
Frequently asked questions
The mechanism and feature set are unchanged from when it retailed new — the chair works exactly as it always did. The main consideration secondhand is warranty: Osaki's coverage runs from the original purchase date, so a used Soho II will have little or no warranty remaining. Ask the seller for the original purchase date, inspect the rollers and recline mechanism in person if possible, and price in the possibility of an out-of-pocket repair. Parts availability for discontinued Osaki models generally holds for several years, but confirm with Osaki directly for older units.
In practice, nothing meaningful. J-track and SL-track are naming conventions used by different Osaki product lines — and sometimes inconsistently on the same brand's site — for the same mechanical design: a roller rail that follows the spine's natural curve and extends through the lumbar into the gluteal region. The Soho II uses J-track; the Highpointe uses SL-track. The coverage is equivalent. When comparing across brands, verify the roller extension length in the spec sheet rather than relying on the label.
Yes, and the trade-off is worth understanding before you order. The mechanism works by moving the seat forward as the back reclines, rather than swinging the backrest outward. This means the chair needs clear floor space in front of it at full recline — it extends to just under 65 inches forward. Buyers who measure the 4.5-inch wall clearance and forget to measure the forward extension sometimes find the chair blocked by a coffee table or the opposite wall. Measure both.
The Highpointe has three-stage zero gravity versus two-stage on the Soho II, a three-zone heat system (infrared lumbar, calf heat, and a heated shawl covering the chest and stomach) versus the Soho II's roller-integrated back heat and calf heat, and a 69-inch footprint that requires standard rear clearance. The Soho II has the 4.5-inch space-saving recline the Highpointe does not. Both use a 4D mechanism and extended J-track or SL-track coverage through the glutes. The right choice is almost always determined by room size first, then by which of those heat and zero gravity differences matters to how you plan to use the chair.
The Osaki warranty is non-transferable. If you bought secondhand, there is no warranty coverage — none transfers from the original owner regardless of how recently the chair was purchased. If you are the original owner: parts and in-home labour for year one, parts only for year two, structural framework only for year three. From year two onward, any technician visit is out of pocket.