Skip to product information
Black Osaki Trion Flex Duo 4D+3D Duo Mech AI Massage Chair on a white background
  • Black Osaki Trion Flex Duo 4D+3D Duo Mech AI Massage Chair on a white background
  • Lower body area of a Taupe Osaki Trion Flex Duo 4D+3D Duo Mech AI Massage Chair in walking motion on a white background
  • Close-up of the Side Control Panel on a Taupe Osaki Trion Flex Duo 4D+3D Duo Mech AI Massage Chair
  • Taupe Osaki Trion Flex Duo 4D+3D Duo Mech AI Massage Chair in a modern room with large windows
  • Black Osaki Trion Flex Duo 4D+3D Duo Mech AI Massage Chair on a white background
  • Lower body area of a Taupe Osaki Trion Flex Duo 4D+3D Duo Mech AI Massage Chair in walking motion on a white background
  • Close-up of the Side Control Panel on a Taupe Osaki Trion Flex Duo 4D+3D Duo Mech AI Massage Chair
  • Taupe Osaki Trion Flex Duo 4D+3D Duo Mech AI Massage Chair in a modern room with large windows
  • Taupe Osaki Trion Flex Duo 4D+3D Duo Mech AI Massage Chair viewed from the front on a white background
  • Taupe Osaki Trion Flex Duo 4D+3D Duo Mech AI Massage Chair viewed from the side on a white background
  • Taupe Osaki Trion Flex Duo 4D+3D Duo Mech AI Massage Chair reclined and viewed from the side on a white background
  • Finger sensor on a Taupe Osaki Trion Flex Duo 4D+3D Duo Mech AI Massage Chair
  • Speaker on a Taupe Osaki Trion Flex Duo 4D+3D Duo Mech AI Massage Chair
  • Lower body area of a Black Osaki Trion Flex Duo 4D+3D Duo Mech AI Massage Chair in walking motion on a white background
  • Close-up of the Side Control Panel on a Black Osaki Trion Flex Duo 4D+3D Duo Mech AI Massage Chair
  • Black Osaki Trion Flex Duo 4D+3D Duo Mech AI Massage Chair in a modern living room setting
  • Black Osaki Trion Flex Duo 4D+3D Duo Mech AI Massage Chair viewed from the front on a white background
  • Black Osaki Trion Flex Duo 4D+3D Duo Mech AI Massage Chair reclined and viewed from the side on a white background
  • Finger sensor on a Black Osaki Trion Flex Duo 4D+3D Duo Mech AI Massage Chair
  • Speaker on a Black Osaki Trion Flex Duo 4D+3D Duo Mech AI Massage Chair
  • Phone charging on the Osaki Trion Flex Duo 4D+3D Duo Mech AI Massage Chair charging surface
  • Touchscreen remote control on the Osaki Trion Flex Duo 4D+3D Duo Mech AI Massage Chair
  • Osaki Trion Flex Duo 4D+3D Duo Mech AI Massage Chair USB charging port
Osaki Trion Flex Duo 4D+3D Duo Mech AI Massage Chair

Osaki

Osaki Trion Flex Duo 4D+3D Duo Mech AI Massage Chair

Advanced dual-mechanism massage targets upper and lower body simultaneously—adapting in real time for deeper relief.

Upholstery

Black

Upholstery
$13,999.00 $16,999.00
$3,000 off
Talk with our experts
Confidence Comes Standard
Hand holding a moving box icon White-Glove Delivery
Arrows form a circle around a shield with a checkmark on it icon Extended Warranty
Person speaking on headset icon Dedicated Service
Description

The Osaki Trion Flex Duo 4D+3D delivers precision-engineered comfort with dual mechanisms and AI health detection. Experience a dynamic, body-adaptive massage that stretches, soothes, and restores.

Highlights:

  • Dual 4D+3D system with full-body SL Flex Track coverage

  • AI body scan and health monitoring for personalized care

  • 50 air cells with adjustable compression for balanced pressure

  • Heated lumbar, calves, and foot rollers for total warmth

  • Smart voice control and touchscreen for intuitive operation
Features
  • 4D+3D Deep Tissue Rollers — Mimic human hands for kneading, tapping, and rolling motions.
  • Full-Body Air Compression — Adjustable air cells massage arms, shoulders, hips, legs, and feet.
  • Infrared Heat Therapy — Relieves muscle tension and improves circulation.
  • Zero Gravity Recline — Reduces spinal pressure and enhances massage effectiveness.
  • Intuitive Remote — Easy program selection and intensity adjustment.
  • Bluetooth Speakers — Enjoy music or relaxation sounds during your session.
Warranty
  • 5 Years Total
  • Year 1: Parts + Labor + In-Home
  • Years 2–5: Parts Only
  • Residential / Non-transferable
Customer Reviews

Compare to similar products

Full-Body Motion & Track Technology

Combining Walking Technology, a self-adaptive SL-track, and the Duo Mech™ 4D+3D mechanism, this chair provides immersive motion from head to thighs.
Lower body area of a Black Osaki Trion Flex Duo 4D+3D Duo Mech AI Massage Chair in walking motion on a dark background
Four-pointed star in a circle that is formed out of an arrow starting with a dashed top half and ending in a solid bottom half icon

Walking Technology

Unlike traditional massage chairs that overlook the lower body, the Trion delivers equal attention to your legs and feet. Its innovative scissor-action mechanism mimics a natural walking motion, gently stretching the lower back, glutes, hamstrings, and knees for a full-body wellness experience.

Four-pointed star in a circle that is formed out of an arrow starting with a dashed top half and ending in a solid bottom half icon

Self-Adaptive Flexible SL-Track

The Trion Flex Duo integrates a flexible track system with an extendable feature that adjusts as the chair reclines, enhancing back stretching and delivering a thorough massage from the neck and shoulders down to the spine, hips, and thighs.

Four-pointed star in a circle that is formed out of an arrow starting with a dashed top half and ending in a solid bottom half icon

DUO MECH™ 4D+3D Massage Mechanism

The Trion Flex Duo massage chair features 4D and 3D massage mechanisms to address different areas of the body. The 4D mechanism focuses on the back, offering a range of massage styles and adjustable intensities, while the lower section provides a steady, deep massage to the glutes and upper hamstrings.

Explore 12 Auto Massage Modes

Choose from twelve specialized auto programs—including Yoga Warrior, Performance Max, Neck & Shoulder, and Thai Stretch—that cater to different needs.

Yoga Warrior

Dynamic session focused on full-body stretch.

Performance Max

High-intensity mode for activity recovery.

Neck & Shoulder

Targets upper-body tension from devices.

Thai Stretch

Emulates traditional Thai stretching techniques.

+ 8 More

Including Deep Tissue, Sports Stamina, Shape & Tone, and Sports Recovery.

Advanced Roller & Air Compression System
Arm rollers of the Osaki Trion Flex Duo 4D+3D Duo Mech AI Massage Chair

Relaxing 3 Arm Rollers

Each side of the chair features 3 active arm rollers that provide a soothing massage to relieve tension and boost blood circulation. This rolling action works in harmony with the air compression massage, enhancing both your relaxation and recovery experience.

Chair in stages of recline with superimposed angle graphic

2-Stage Zero Gravity Reclining

Experience weightlessness as you recline in the Trion Flex Duo 2-Stage Zero Gravity massage chair. As you lean back, your body’s weight is evenly distributed, reducing pressure points in the back and enhancing comfort for the ultimate massage experience.

Chair in reclined position overlaid on itself upright with difference in space behind the chair highlighted as '9.5' inches

Space-Saving Technology

Smartly designed to maximize your space, the advanced space-saving technology lets the chair slide forward as they recline. This allows for a full recline even when placed just 2 inches from the wall.

Osaki Trion Flex Duo 4D+3D Duo Mech AI Massage Chair with air cell areas highlighted: 'Shoulders', 'Arms', 'Back', 'Hips', 'Calves', and 'Feet'

50-Cell Air Compression Massage

With 50 strategically placed air cells throughout Trion Flex Duo, tension is gently released throughout the body. Each session delivers precise compression therapy, designed to enhance relaxation and promote total well-being.

Experience Tailored Therapeutic Sessions

The Osaki Trion Flex Duo offers a variety of pre-programmed sessions designed to provide relief, relaxation, and rejuvenation. Each program is crafted to target specific areas of the body, ensuring a comprehensive massage experience.
Four-pointed star in a circle that is formed out of an arrow starting with a dashed top half and ending in a solid bottom half icon

SORA Mode

AI-driven automatic programs that adjust to your body's needs for a personalized massage experience.

Four-pointed star in a circle that is formed out of an arrow starting with a dashed top half and ending in a solid bottom half icon

Deep Tissue Relief

Targets deeper muscle layers to release chronic tightness and improve flexibility.

Four-pointed star in a circle that is formed out of an arrow starting with a dashed top half and ending in a solid bottom half icon

Calf Rejuvenation

Specialized program for the calves, incorporating TheraElliptical™ kneading for enhanced circulation.

Four-pointed star in a circle that is formed out of an arrow starting with a dashed top half and ending in a solid bottom half icon

Neck & Shoulder Ease

Designed to relieve stiffness and discomfort in the neck and shoulder regions.

Four-pointed star in a circle that is formed out of an arrow starting with a dashed top half and ending in a solid bottom half icon

Full Body Revive

A comprehensive session addressing all major muscle groups for overall relaxation.

Smart Health Monitoring & Voice Control

Leverage built-in intelligent health detection, voice commands, and full-body scan technology to tailor every session to your body’s state.
Osaki Trion Flex Duo 4D+3D Duo Mech AI Massage Chair with text bubbles indicating communication, on a light gray background

Intelligent Voice Command

The Trion Flex Duo features built-in voice control for a truly hands-free experience. Just say "Hey Alice" followed by a preset command, and experience an uninterrupted hands-free massage.

Holographic figure of a person with glowing blue lines on a dark background

Body Scan Technology

The full-body scan begins every time the Trion Flex Duo is powered on. This body scan detects your body’s unique shape and size first, then moving the massage rollers adjust to your proportions.

Health screen on the Osaki Trion Flex Duo 4D+3D Duo Mech AI Massage Chair remote control

Intelligent Health Detection

The Trion Flex Duo features an integrated health monitor that tracks heart rate, oxygen levels, microcirculation, and fatigue. Its AI technology uses this data to deliver a personalized massage tailored to your body’s needs.
Image of the Osaki Trion Flex Duo 4D+3D Duo Mech AI Massage Chair remote control superimposed on the chair in a modern living room

Intuitive Remote Control for Seamless Operation

The Osaki Trion Flex Duo comes equipped with a user-friendly remote control, allowing you to effortlessly navigate through various settings and programs. Its ergonomic design ensures comfortable handling during your massage sessions.
  • Touchscreen Interface: Offers a responsive and easy-to-read display for quick access to settings.
  • Program Selection: Easily browse and select from a variety of pre-programmed massage sessions.
  • Intensity Adjustment: Customize the intensity of your massage to suit your preference.
  • Heat Control: Adjust the heat settings to enhance muscle relaxation.
  • Zero Gravity Recline: Activate the zero gravity position with a single touch for optimal comfort.
  • Bluetooth Connectivity: Connect your devices to enjoy music or ambient sounds during your massage.

6 Manual Massage Modes

Access six manual modes — Kneading, Sync, Vibration, Tapping, Shiatsu, and Acupressure — each crafted to align with the body’s contours for targeted comfort.
Hand moving icon

Kneading

Circular motion that digs into muscle layers to reduce tension.

Hand over body icon

Sync

A manual mode named “Sync” in the product listing.

Wavy pattern icon

Vibration

Included in the list of manual modes as “Vibration.”

Finger icon

Tapping

Percussive strikes to activate circulation and loosen muscle tissue.

Finger pressing icon

Shiatsu

Targeted pressure on key points to ease deep‑seated tension.

Acupuncture icon

Acupressure

Included in the manual‑modes list under “Acupressure”.
Osaki logo
Osaki massage chair in a room

ABOUT THE BRAND

Osaki

Osaki is one of the most recognized names in massage chair innovation, offering a wide range of models that integrate state-of-the-art features at accessible price points. Known for their reliability and functionality, Osaki massage chairs are designed to deliver full-body comfort, muscle recovery, and daily relaxation.

From AI-powered body scanning and 4D roller systems to foot reflexology and zero gravity recline, Osaki chairs incorporate advanced technologies tailored for comprehensive wellness. Each chair is built with user comfort in mind, offering multiple massage modes and adjustable settings for a personalized experience.

With decades of experience in wellness technology, Osaki continues to push the boundaries of at-home massage therapy. Whether you're managing stress, alleviating back pain, or simply enjoying a moment of relaxation, Osaki massage chairs are built to enhance your quality of life.

Advanced Features for Unmatched Comfort

The Osaki Trion Flex Duo is packed with innovative features that set it apart from other massage chairs. Each feature is meticulously designed to provide an unparalleled massage experience.
Checkmark in a circle icon

Duo Mech 4D+3D Massage Mechanism

Combines 4D and 3D rollers to deliver a multi-dimensional massage experience.

Checkmark in a circle icon

SL Flex Track

Ensures a smooth and continuous massage from the neck down to the glutes.

Checkmark in a circle icon

Intelligent Health Detection

Monitors your body's health metrics to adjust the massage accordingly.

Checkmark in a circle icon

3 Arm Rollers

Provides a comprehensive massage for the arms, wrists, and hands.

Checkmark in a circle icon

Lumbar & Calves Heat Therapy

Applies soothing heat to the lumbar region and calves to alleviate tension.

Checkmark in a circle icon

50 Air Cell Full Body Compression

Offers a full-body compression massage to enhance circulation.

Checkmark in a circle icon

12 Auto Programs & 6 Massage Styles

Provides a variety of pre-set programs and massage styles to choose from.

Checkmark in a circle icon

Heated Foot Rollers

Soothes and relaxes the feet with heated rollers.

Checkmark in a circle icon

Automatic Extendable Footrest

Adjusts the footrest length automatically to accommodate users of different heights.

Innovative Build, Detailed Measurements

Color Options

Black, Brown, Taupe

Touchscreen Remote

Yes

Heat Therapy

Lumbar, Calves

Heated Foot Rollers

Yes

Chair Weight

359.4 lb

Dimensions Upright

W33.0" x L71.0" x H47.5"

Dimensions Reclined

W33.0" x L79" x H34"

User Maximum Weight

270 lb

Track Type

SL Flex Track

Auto Massage Modes

12

Manual Massage Modes

6

Compression Therapy

Yes

Power Supply

110 - 120V

Rate Frequency

50 / 60Hz

Shoulder / Seat Width

22" / 21"

Minimum Door Width

30.0"

Package Dimensions / Weight

Box 1: W33.5" x L65.0" x H34.5" / 269 lb; Box 2: W15.4" x L49.6" x H28" / 65 lb; Box 3: W23.6" x L24.8" x H25.2" / 88.2 lb

Warranty

5 Year(3 Years Full Service & Additional 2 Years Parts)

Related Products