Upper and lower rollers divide the work.
4D focuses on the back; 3D works the glutes and upper hamstrings.
- Upper 4D
- Lower 3D
HSA/FSA eligible — pay with pre-tax dollars.
Showrooms in San Jose and Pleasanton
Questions? Talk to a chair specialist · +1 669 214 8889
Authorized dealer
House of Massage Chairs · Dual-Mechanism Series
The Osaki Bravo Duo Flex massage chair pairs a 4D upper mechanism with a 3D lower mechanism, then adds a flexible SL-track and walking movement for active lower-body coverage.

The Osaki Bravo Duo Flex 4D+3D massage chair is a dual-system model at a current live price of $6,999.00. A 4D mechanism works the back while a 3D mechanism works the glutes and upper hamstrings. The flexible SL-track, walking movement, and calf-and-foot system are the main reasons to choose it. The tradeoff is complexity; buyers who need more seat width or fewer systems should compare another model.
Dedicated upper and lower roller mechanisms.
Track flex plus computer body scan.
Alternating leg motion with foot rollers.
Compression with lumbar and calf heat.
4D focuses on the back; 3D works the glutes and upper hamstrings.
A self-adaptive flexible SL-track is paired with computer body scan.
Alternating leg movement works with specialized foot rollers and a 6″ automatic extension.
Thirty-eight air cells cover shoulders, arms, calves, and feet; heat is at the lumbar and calves.
The chair also includes Bluetooth audio and wireless phone charging.
The defining experience is active lower-body work: separate 3D rolling, walking motion, calf compression, heat, and foot rollers. That is useful only if you value those systems enough to use them regularly.
Comfort is personal. Test pressure, alignment, and lower-body movement at settings you would use at home.
Published fit points are a 19″ seat, 21″ shoulder width, 270 lb maximum user weight, and 6″ footrest extension. HMC does not publish one verified height range, so confirm height fit.
Compare in personUse 19″ and 21″ as the fit test.
Knees, calves, and heels should sit naturally.
Correct scan position before judging pressure.
Body size and pressure preference change the experience.
Verified features, translated into use.
Dedicated upper and lower roller coverage.
Track movement with automated alignment.
Alternating lower-leg movement.
Compression plus lumbar and calf warmth.
Preset convenience with manual adjustment.
Two reclined zero-gravity positions.
Multiple control paths, plus Bluetooth and wireless charging.
Published wall clearance. Reclined length is 71″.
Upright: 29.5″ W x 63″ L x 48.5″ H.
Reclined: 29.5″ W x 71″ L x 35″ H.
Minimum published doorway width is 29.5″; measure turns, stairs, elevators, and the final path.
Chair weight is 245 lb.
HMC currently lists the chair in stock with White Glove Delivery included, subject to destination, access, and scheduling.
Extended factory coverage is also listed. Confirm exact coverage and exclusions before purchase.
Inventory, timing, and service terms can change; confirm current terms for this model and destination.
The 4D Manhattan Duo Mech is the designated alternative. Compare fit, movement, program mix, and room footprint.
| Decision point | Bravo Duo Flex | 4D Manhattan Duo Mech |
|---|---|---|
| Architecture | 4D + 3D, flexible SL-track, walking technology. | 4D + 3D, SL-track; walking technology not listed by HMC. |
| Programs + air | 22 auto, 6 manual, 38 cells. | 16 auto, 7 manual, 26 cells. |
| Fit | 19″ seat, 21″ shoulders, 270 lb max. | 20″ seat, 22″ shoulders, 273.2 lb max. |
| Room | 71″ reclined; 4″ wall clearance. | 79″ reclined; 5.9″ wall clearance. |
HMC does not publish one verified height range, and package-weight values conflict across available sources. Confirm height fit, access, warranty details, and delivery terms before purchase.
Check scan alignment, walking range, calf and foot pressure, zero-gravity position, and the controls you would use most.
Contact HMC to confirm current showroom availability for this exact model before visiting.

Choose it when dual roller coverage, walking movement, and an active calf-and-foot system match your priorities. Compare another model if you need more width or less complexity.
Pricing, inventory, delivery timing, warranty options, and showroom availability can change. Confirm current fit, access, and service terms with HMC before purchase.