MassaMax - MT339 4D Full Body Stretch Massage Chair ,OTA Update,Body Scan,Extended Footrest&Foot Rollers,Heat Function - White
About this product
MassaMAX MT339 4D Massage Chair is our most affordable 4D massage chair, offering advanced features without the premium price tag. Equipped with the latest OTA cloud technology, it ensures your chair stays up to date with new updates and features. The electric footrest offers automatic adjustments for personalized comfort, while 27 automatic massage programs provide a full-body, spa like experience right at home.
Features
OTA Cloud Technology– Your Chair Never Gets Old.
MassaMAX MT339 4D Massage Chair is our most affordable 4D massage chair, offering advanced features without the premium price tag. Equipped with the latest OTA cloud technology, it ensures your chair stays up to date with new updates and features. The electric footrest offers automatic adjustments for personalized comfort, while 27 automatic massage programs provide a full-body, spa like experience right at home.
Advanced 4D Massage Technology
Customize your massage with adjustable width, height, depth, and speed settings, as the 4D rollers adapt to your body’s needs for a truly personalized experience.
SL Track & Airbag Massage System
The SL track ensures extended coverage from neck to thighs, while strategically placed airbags target shoulders, arms, hips, calves, and feet for a full-body massage.
Zero Gravity & Soothing Heat Therapy
Experience ultimate weightlessness with three adjustable zero gravity positions, while lumbar and leg heating help relax muscles and improve circulation.
Smart Control & 11 Professional Massage Techniques
Easily control settings through the touchscreen, voice commands, or armrest buttons, and enjoy 11 massage techniques, including kneading, tapping, shiatsu, and dynamic 4D intensity adjustments.
Specifications
- Product Height44.57 inchesProduct Width29.92 inchesProduct Depth60.63 inchesAssembly RequiredPartial
Reviews
Rating 4.2 out of 5 stars with 9 reviews
Top Mentions
- Overall Performance (5)
Customer Images
The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.
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MassaMAX MT339 4D Massage Chair is our most affordable 4D massage chair, offering advanced features without the premium price tag. Equipped with the latest OTA cloud technology, it ensures your chair stays up to date with new updates and features. The electric footrest offers automatic adjustments for personalized comfort, while 27 automatic massage programs provide a full-body, spa like experience right at home.

Effective October 25, 2026, Black orders will receive the upgraded MT398 Pro; White remains the original MT398 while supplies last. Enjoy customizable 4D massage with long SL track, OTA updates, AI wellness monitoring, 22 built-in, 5 downloadable and 4 wellness programs, app and touchscreen controls, zero gravity, air compression, lumbar and calf heat, stretching and foot rollers.

Version Notice: Beginning October 25, 2026, the Black model is upgraded to MT398 Pro. This White color remains the original MT398 while supplies last and does not include OTA updates, wellness monitoring, app control or the full touchscreen remote. It retains 4D massage, an extended SL track, zero gravity, dual-zone heat, air compression and foot rollers.

Osaki has been breaking boundaries in the world of massage technology ever since its inception, and it is continuing that tradition with the evolutionary 4000XT. Fall in love with your new massage chair as it calibrates areas of higher tension, targets stress with powerful compression massages, reclines to weightless positions, and works out stress using six unique massage styles. Experience the very edge of massage technology in the OS-4000XT.
| Pros for MassaMax - MT339 4D Full Body Stretch Massage Chair ,OTA Update,Body Scan,Extended Footrest&Foot Rollers,Heat Function - White | |||
|---|---|---|---|
| Overall Performance | Ease of Use, Massage Quality | Overall Performance | There were no pros for this product— |

































