Over-the-Shoulder Airbag Massage
Therapist-like shoulder compression no standard massage chair can replicate.Ten synchronized airbags rotate and press down across the tops of your shoulders to recreate the natural movement of a therapist’s hands, while additional massage nodes on both sides of the shoulder pads deliver a deeply realistic hand-massage sensation for targeted relief and relaxation.
Health Pro AI Muscle Tension Detection
Personalized AI massage programs built around your body’s condition today.The Health Pro program scans your torso with integrated sensors to identify areas of concentrated muscle tension, then uses AI technology to customize the massage technique, pressure, and duration according to what your body needs during each individual session.
Laser-Crafted SL-Track with Zero Gravity
Full-body massage coverage combined with a weightless, pressure-relieving recline.The precision-engineered SL-Track follows the natural curve of your spine from the neck and shoulders down to the gluteal and hamstring region, while one-stage NASA-inspired zero gravity positioning raises your legs to heart level to support spinal decompression and create a sensation of complete weightlessness.
Alexa Voice Control and App Control
Hands-free massage control through your voice, smartphone, or touchscreen.Manage every massage function using Alexa voice commands, the Osaki Premium Master app for iOS and Android, or the swivel touchscreen tablet, giving you multiple convenient ways to adjust your session without interrupting your relaxation.
With the Osaki OP-4D Master massage chair
From AI muscle tension detection to over-the-shoulder airbag compression and Alexa voice control, the Osaki OP-4D Master delivers a professional-grade home massage experience every single day.
The AI Health Pro scan detects muscle tension across your torso and builds a customized session based on your current physical condition, adjusting technique, pressure, and duration to match what your body needs right now.
Ten synchronized airbags rotate over your shoulders with two additional massage nodes on each side, delivering the world’s first over-the-shoulder airbag compression massage that moves and feels like real therapist hands.
NASA-inspired zero gravity recline elevates your legs to heart level, reducing compressive pressure on the spinal discs and promoting deep spinal relaxation in a state of complete weightlessness.
Control every function through Alexa, the Osaki Premium Master app, or the swivel touchscreen tablet for completely hands-free operation without interrupting your relaxation.
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More Benefits Of
From AI muscle tension detection to over-the-shoulder airbag massage and laser-crafted SL-Track coverage, the OP-4D Master delivers a complete therapeutic system for people who carry real tension every day.
AI Muscle Tension Detection
Personalized massage therapy tailored to your body every time.Health Pro AI scans your torso to identify areas of concentrated muscle tension, then creates a fully customized massage session based on your body’s specific needs each time you sit down.
Over-the-Shoulder Airbag Massage
Therapist-like shoulder compression with natural rotating movement.Ten synchronized airbags and additional shoulder massage nodes deliver the world’s first over-the-shoulder compression massage, rotating and moving across the shoulders to recreate the sensation of a therapist’s hands.
Laser-Crafted SL-Track
Complete massage coverage from your neck to your hamstrings.The precision-engineered SL-Track follows the natural curve of your body from the neck and shoulders through the lumbar region and tailbone, extending into the gluteal and hamstring areas for comprehensive full-body coverage.
NASA Zero Gravity Technology
Deep spinal relaxation through a truly weightless recline.One-stage NASA-inspired zero gravity positioning elevates your legs to heart level, reducing compression on the spinal discs and creating a sensation of weightlessness for deeper relaxation and pressure relief.
4D Massage Mechanism
Precise control over the depth, speed, width, and intensity of every massage.Four intensity levels and five adjustable strength and speed settings provide independent control over each massage movement, allowing you to personalize the experience across four distinct massage styles.
Space-Saving Technology
Enjoy a full zero gravity recline with minimal wall clearance.The OP-4D Master requires only three inches of space from the wall to achieve a complete zero gravity recline, making it one of the most space-efficient full-recline massage chairs available.
Lumbar Heat Therapy
Soothing warmth reaches muscles that rollers cannot fully relax.Integrated heating coils warm the deep muscles of the lower back and feet, helping alleviate soreness, stiffness, and tension in areas that massage rollers alone may not fully reach.
Reflexology Foot Rollers
Targeted heel-to-toe relief inspired by therapeutic reflexology.Three scientifically designed reflexology rollers beneath each foot stimulate pressure points from heel to toe, delivering a comprehensive and deeply soothing foot massage during every session.
Negative Oxygen Ion Therapy
A fresher, more calming environment for enhanced relaxation.Built-in air ionization technology releases negative oxygen ions designed to help reduce stress, support improved energy levels, and enhance the overall therapeutic atmosphere of each massage session.
Bluetooth Surround Sound
Turn every massage into an immersive relaxation experience.High-fidelity Bluetooth surround sound speakers connect wirelessly to your smartphone, allowing you to enjoy music, guided meditation, podcasts, or calming audio throughout your session.
16 Auto Programs
One-touch massage programs for relaxation, recovery, and targeted relief.Sixteen automatic programs, including Master’s Choice, Health Pro, Sleeping, Stretching, Spine, and Deep Tissue, provide convenient options for everything from everyday relaxation to focused therapeutic recovery.
5-Year Manufacturer Warranty
Long-term protection backed by an authorized Osaki Platinum dealer.The chair includes a five-year manufacturer warranty covering parts, labour, and the framework, while Cloudy Mattress provides additional confidence as an authorized Osaki Platinum dealer offering genuine product and service assurance.
The Health Pro AI
Personalized muscle tension detection that changes every session.
Most massage chairs offer the same preset programs every time you sit down. The OP-4D Master's Health Pro AI scan reads your body's actual condition that day, identifies where tension is concentrated, and builds a customized session specifically around what your muscles need right now. Whether you carry stress in your shoulders, your lower back, or both, the chair finds it and targets it with the right technique, pressure, and duration without any manual input from you.
The Over-the-Shoulder Airbag
Ten synchronized airbags that move like a therapist's hands.
No standard massage chair reaches over the top of your shoulders. The OP-4D Master does, with ten synchronized airbags that rotate and compress over and around your shoulder joints the way a therapist's hands do during a professional session. Extra massage nodes on each side of the shoulder pad add a genuine hand-massage sensation at the precise points where most people carry the most daily tension. It is the single most distinctive therapeutic feature of any massage chair at this price point.
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