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Osaki OS-Pro DuoMax 4D Massage Chair

Original price $14,999.00 - Original price $15,249.00
Original price $14,999.00
$12,999.00
$12,999.00 - $13,249.00
Current Price $12,999.00
+ FREE SHIPPING
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Ships in ~ 7-10 business days
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Osaki OS-Pro 4D DuoMax SL-Track Massage Chair

Osaki OS-Pro 4D DuoMax SL-Track Massage Chair

Feel like you’re constantly battling muscle fatigue, stress, or tension that never truly goes away? Whether you're recovering from long workdays, intense workouts, or simply need more “me time,” the Osaki OS-Pro 4D DuoMax is your personal solution for full-body rejuvenation.

This high-end 4D massage chair combines cutting-edge technology with thoughtful design, delivering an experience that feels like your own private massage therapist is on call 24/7.

With intelligent body scanning, dual-mechanism 4D+3D massage precision, and an SL Flex Track that contours every curve from neck to hamstrings, the DuoMax adapts to your body’s needs in real time.

You'll get deep relief exactly where you need it—whether that’s in your calves, shoulders, lower back, or feet. Integrated features like health monitoring, voice control, calf and foot rollers, and a heated jade core system bring unparalleled comfort, while 20 automatic massage programs keep things fresh every time you sit down.

This massage chair is made for individuals who take their recovery, performance, and relaxation seriously. From tech lovers and wellness seekers to hardworking professionals and athletes, the DuoMax is built to elevate daily life—physically and mentally.

OS-Pro 4D DuoMax Features

  • Intelligent Health Detection: Personalized massages based on real-time body metrics like heart rate, blood oxygen, and fatigue index.
  • Duo Mech™ 4D+3D Massage Mechanism: Twin quad-roller systems replicate human-like techniques for unmatched muscle relief and stress reduction.
  • 2 Heated Jade Cores: Delivers soothing heat therapy that travels with the rollers, combining deep massage and warmth in motion.
  • SL Flex Track System: Flexible SL-track ensures complete coverage from neck to glutes while adapting to your spine’s natural shape.
  • Piano Key Arm Massage: Wraps your arms in rhythmic, precise massage strokes that relieve tension often ignored by standard chairs.
  • Vertical Calf Rollers: Dynamic up-down calf massage enhances circulation and relieves leg fatigue with rolling and air compression.
  • Smart Voice Control: Hands-free control allows seamless use with responsive voice command activation.
  • 36 Air Cell Massage System: Strategically placed airbags across shoulders, arms, hips, calves, and feet enhance full-body relaxation.
  • Zero Gravity Reclining & Space Saving: Experience total weightlessness with 2-stage zero gravity while reclining just 5.5" from the wall.
  • Body Heat Therapy + Heating Shawl: Targeted warmth at the lower back, chest, and stomach area enhances circulation and relaxation.
  • Deep Calf Kneading & Reflexology Rollers: Foot rollers target acupuncture points while vertical calf rollers deliver intensive muscle relief.
  • Automatic Extendable Footrest (up to 7.8"): Perfect for users of varying heights, the chair customizes leg support with precision.
  • Negative Oxygen Ion Therapy: Refreshes the mind and body by promoting stress relief and improving overall wellness.
  • Convenience Features: Includes removable headrest, side control panel, wireless and USB charging, HD Bluetooth speakers, and LED lighting.

20 Auto Massage Modes: 

Personalized programs to suit every mood and need:

  • Total Relax – Full-body relief to unwind completely
  • President Cosy – Premium comfort and deep relaxation
  • Stress Release – Loosens tension and soothes the mind
  • Keep Fit – Maintains daily wellness and flexibility
  • Full Airbag – Comprehensive air compression therapy
  • Superior Enjoyable – Balanced, feel-good massage experience
  • Chinese Massage – Traditional techniques for body harmony
  • Office Regimen – Perfect for desk-bound professionals
  • Thai Massage – Stretch-based relief for the entire body
  • Health Recharge – Boosts circulation and recovery
  • Meridian Treatment – Focuses on energy pathways
  • Energy Boost – Re-energizes both body and mind
  • Neck & Shoulder Care – Relieves upper body stiffness
  • Lunch Break – Quick reset for midday relaxation
  • Waist Care – Targets lower back tension
  • Sweet Dream – Soothing program for restful sleep
  • Waist & Buttock Shape – Sculpts and relieves tension
  • Brain Refresh – Gentle stimulation to clear mental fatigue
  • Leg & Foot Relieve – Eases lower limb fatigue
  • Rejuvenate – A refreshing full-body reboot

11 Manual Massage Modes: 

Customize your experience with precise techniques:

  1. Kneading – Deep circular motion for muscle tension
  2. Shoulder Grasp – Focused grip-style massage on shoulders
  3. Tap I & Tap II – Rhythmic percussion in two intensities
  4. 4D I–IV – Multi-dimensional, adjustable-depth massage
  5. Kneading & Tapping – Combo for thorough muscle relief
  6. Shiatsu I & II – Point-specific pressure for deep release

OS-Pro 4D DuoMax Osaki Massage Chair Specifications

  • Power Supply: 110 – 120V / 50 – 60Hz
  • Upright Dimensions (W x L x H): 33.0" x 66.0" x 51.0"
  • Reclined Dimensions (W x L x H): 33.0" x 76.0" x 41.0"
  • Chair Weight: 354 lb
  • Shoulder Width: 19.0"
  • Seat Width: 20.5"
  • Minimum Doorway Width: 33.0"
  • Max User Weight Capacity: 330 lb

Package Dimensions & Weight

  • Box 1: 31.1" x 59.3" x 36.4" (268.4 lb)
  • Box 2: 31.1" x 16.1" x 54.7" (74.8 lb)
  • Box 3: 22.4" x 21.3" x 26.0" (72.6 lb)

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

Osaki OS-Pro 4D DuoMax User Manual

Order Processing: Once you place your order, you'll receive an order confirmation email. Please allow 1-3 business days for processing. If there are any unexpected delays, we’ll reach out to you immediately.

Shipping Methods:

  • Standard Delivery: Massage chairs are delivered mostly, or sometimes 100% assembled via Freight truck shipment.
  • White-Glove Delivery: Professional delivery teams will bring the chair inside, place it where you like, and remove packaging (optional service).

Delivery Timeline:

  • Processing: Please allow 1-3 business days for us to process your order.
  • Handling Time: This product should ship out in 7-10 business days days from the time it is processed.
  • Transit Time: Once shipped, we will send you the tracking number. Standard ground shipments take 3-7 business days.

Receiving Your Shipment: Inspect your shipment for damage before signing the delivery receipt. If any issues arise, contact us within 2-3 business days.

Assembly & Setup:

Most massage chairs arrive partially or fully assembled. Some simple steps, like attaching the footrest or side panels, may be required at most.

Electrical Requirements:

  • Most massage chairs plug into a standard 110V home outlet. Exceptions to this will marked in the product details.
  • High-end models with stronger motors may require dedicated circuits (check product specifications).

Space Considerations: Some chairs require additional space for reclining, while others feature zero-clearance recline, allowing placement directly against a wall.

Professional Assembly: White-glove service is available for in-home delivery and setup.

Massage Chair Warranty Coverage:

Select Fitness is an authorized dealer for every massage chair we sell. All chairs include the manufacturer's original warranty.

Typical warranty coverage includes:

  • Frame & Structure: Covered for years.
  • Motors & Massage Mechanisms: Covered for years.
  • Electronics & Control Panels: -year warranty.
  • Upholstery & Padding: Covered for defects but does not include normal wear and tear.

For specifics on your chair’s warranty, check the product details or contact us for more information.

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Sauna Benefits Section
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We offer top-tier massage chairs at the best prices possible—plus financing options to fit your budget.
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Sauna FAQ Section

Massage Chair FAQs

General Questions
Where should I put my massage chair? +
Massage chairs work best in living rooms, bedrooms, offices, or dedicated relaxation spaces. Many models feature zero-clearance reclining, meaning they can be placed just a few inches from a wall. Always check the product dimensions and clearance requirements before placing your chair.
Is there a maximum or minimum height requirement? +
Most massage chairs comfortably fit users between 5’0” and 6’4”, but it varies by model. Some premium chairs accommodate taller users, while compact models work best for shorter individuals. Always check the recommended height range on the product page.
Is there a max user weight? +
Most massage chairs support 250 to 330 lbs. Heavy-duty models can support up to 400+ lbs. Be sure to check the weight capacity on the product page to ensure the best fit.
How strong does the massage pressure go? +
Massage pressure varies by chair and can be adjusted to suit your comfort level.
- 2D Chairs: Moderate intensity (surface-level massage).
- 3D Chairs: Deeper tissue massage (adjustable depth).
- 4D Chairs: Most advanced—variable speed & depth for a lifelike massage.
What does zero gravity mean? +
Zero Gravity reclines the chair into a weightless position, reducing spinal pressure and enhancing the massage. Inspired by NASA, this position helps improve circulation and relieve tension.
Delivery & Setup
Can I move the chair once I get it in place? +
Massage chairs are heavy (some over 250 lbs), but most models include rear wheels for easier repositioning once set up.
Is assembly required? +
Most massage chairs arrive partially assembled. Typical setup involves attaching the footrest, side panels, and armrests—a simple process that usually takes 30-60 minutes. Some chairs arrive fully assembled.
How does it come delivered? +
- Standard Delivery: The chair arrives in a large box (or multiple boxes) and is delivered curbside.
- White-Glove Delivery: The chair is brought inside, assembled, and packaging is removed (available for an additional fee).
How much does a massage chair weigh? +
Massage chairs typically weigh between 150 to 300 lbs, depending on the model and features.
Safety & Performance
Are massage chairs safe? +
Yes, massage chairs are designed for safety, but users with certain medical conditions (such as pacemakers, recent surgeries, or pregnancy) should consult a doctor before use.
Do massage chairs help with recovery? +
Massage chairs can assist with muscle recovery, circulation, and relaxation by increasing blood flow and reducing muscle stiffness. While they’re not a medical treatment, many people use them for post-workout relief, back pain, and stress reduction.
What if I don’t like how my massage chair feels? +
Most massage chairs offer adjustable intensity and settings to customize your experience. If the chair feels too strong or too weak, adjust the air compression, roller depth, or recline position for a better fit.
How long does a massage chair last? +
High-quality massage chairs typically last 10+ years with proper care. Regular maintenance, such as keeping it clean and avoiding excessive weight beyond capacity, can extend its lifespan.
Does it plug into a normal wall outlet? +
Yes! Most massage chairs plug into a standard 110V household outlet. High-end commercial models may require a dedicated 220V circuit (check product details).
Need Some Help?

When You Work With Our Massage Chair Specialist, You Get:

  • Expert Guidance on Choosing the Right Massage Chair
  • Massage Chair Features & Sizing Assistance
  • Private Access to Exclusive Deals & Promotions
  • Delivery & White-Glove Assembly Support
  • Dedicated Account Representative for Personalized Support

A knowledgeable massage chair specialist will contact you to help you choose the perfect chair for your needs.

“From the first consultation to delivery, Select Fitness made buying my massage chair a seamless experience. The team answered all my questions, and now I get to enjoy the best part of my day—relaxing in my chair after work.”

- Liz E., 11/24
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