Osaki OS Pro 4D DuoMax Massage Chair

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PRICE DROP PROTECTION **If Price Drops Within 30 Days After Purchase Get a Refund For The Difference**
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NO SALES TAX **No Check Out Sales Taxes**
FAST EASY FINANCING **Interest Free Installments**
WARRANY INCLUDED **Manufacturer Direct Warranty Included**


The Pro 4D DuoMax Massage Chair By Osaki

The new 2024 DuoMax is a 4D massage chair designed to provide an unparalleled relaxation experience. The DuoMax incorporates intelligent sensors that scan various metrics, tailoring the massage to individual preferences and targeting specific areas.

Intelligent Health Detection

The DuoMax has advanced capabilities with its built-in health monitor. By detecting various metrics such as heart rate, blood oxygen levels, and fatigue index , the chair's Ai technology can provide a personalized massage experience tailored to your body's current condition.

Duo Mech™ 4D+3D Massage Mechanism

With its 4D+3D dual massage mechanism, users can enjoy a wide range of massage techniques that simulate human-like movements. Its quad precision rollers can adjust their depth and speed, ensuring precise and effective relief for muscle tension and stress.

2 Heating Cores

Integrating heated jade cores that move along the contours of your body, this function delivers targeted relief by combining the benefits of massage and heat.

SL Flex Track 

The DuoMax breaks the boundaries of a standard SL-track by incorporating a level of flexibility. The SL Flex Track holds the ability to be at a fixed angle relative to the backrest. This new innovation of a flexible track system is implemented while providing full coverage of the body from your neck and shoulders to your hamstrings.

Piano Key Massage

Crafted with meticulous attention to detail, the piano key massager is designed to envelop your arms in a gentle embrace, providing a symphony of soothing sensations. This innovative piano key massage provides address the tension in the arms, which is often a forgotten feature in typical massage chairs.

Calf Rollers

As one of the most overlooked portions of modern massage, DuoMax offers targeted relief and circulation to the calf muscles by incorporating calf rollers in the footrest. Not only do they roll, but these calf rollers move up and down for each section.

Smart Voice Control

With Duomax's voice control feature, you can easily utilize the chair without having to lift a finger. Just follow the guidelines and commands in the manual and the chair will respond with fast reactivity.

36 Air Cells Massage

The DuoMax includes a total of 36 airbags in the massage chair, providing coverage to shoulders, arms, hips, calves, and feet.

Zero Gravity Reclining & Space Saving 

Inspired by NASA, the Zero Gravity position is the best position for complete tranquility. By reclining into 2-stage zero-gravity position, users can rest in a state of weightlessness that helps release pressure on the body. With Osaki’s Space Saving Technology, the massage chair can be placed 5.5 inches from the wall and still accomplish a complete recline.

Body Heat Therapy

The DuoMax’s heat therapy can help warm and help ease soreness in the lower back area. The DuoMax also targets heat along the chest and stomach area through the heating shawl.

20 Auto Massage Modes

  • Total Relax
  • President Cosy
  • Stress Release
  • Keep Fit
  • Full Airbag
  • Superior Enjoyable
  • Chinese Massage
  • Office Regimen
  • Thai Massage
  • Health Recharge
  • Meridian Treatment
  • Energy Boost
  • Neck & Shoulder Care
  • Lunch Break
  • Waist Care
  • Sweet Dream
  • Waist & Buttock Shape
  • Brain Refresh
  • Leg & Foot Relieve
  • Rejuvenate

11 Manual Massage Modes

  • Kneading
  • Shoulder Grasp
  • Tap I
  • 4D I
  • Tap II
  • 4D II
  • Kneading & Tapping
  • 4D III
  • Shiatsu I
  • 4D IV
  • Shiatsu II

Deep Calf Kneading

The DuoMax provides deep calf massages for soreness in the leg muscles. The massage includes kneading calf rollers that move vertically and airbag massages that compress the calf muscles.

Automatic Extendable Footrest

Stretching up to 6.5 inches, the DuoMax’s automatic extendable footrest allows users of different heights to enjoy the chair.

Specialized Foot Rollers

The Specialized Foot Rollers in the DuoMax were created to activate a series of acupuncture points using scientifically designed reflexology ridges . The footrest contains 2 rollers for each foot, giving a thorough massage from heel to toe.

Negative Oxygen Ions

The DuoMax is equipped with built-in negative air ionization therapy. According to research, negative air ionization therapy helps relieve stress and improve energy.

Removable Headrest

The DuoMax holds a removable headrest, which may help customize the optimal massage for all head positions.

Other Features

  • Side Control Panel
  • Wireless Charging
  • LED Lighting
  • USB Charging
  • HD Bluetooth Surround Speakers


  • Product Name OS-Pro 4D DuoMax
  • User Manual Download
  • Power Supply 110-120V~
  • Rate Frequency 50/60 Hz
  • Dimensions (W x L x H) Upright 31.5” x 68" x 50." Reclined 31.5” x 75.5” x 42”
  • Minimum Doorway Size 28"
  • Weight Net 354 lbs Gross 425lbs


Shipping & Delivery

Please allow a 3-5 days for your order to arrive. We ship products from multiple warehouse locations to bring you the best offers and the lowest prices.

Returns procedure can differ from brands *Mspa brand does not except returns (final sale only), simply contact us for a return instructions and return shipping labels.

Our Return Policy: https://www.purelyrelaxation.com/policies/refund-policy

We Guarantee You Wont Find a Lower Price Online

We work very hard to make sure we are offering the absolute best prices online for relaxation products. If you find another online store that offers a lower price then us please let us know and we try to match or beat their price. We want you to feel confident that you are getting the absolute best price for the product you are ordering today.

If you find that our website has a lower price for the same item you have ordered within the last 30 days of your purchase date we can also refund the difference.

Our Low Price Guarantee has some limitations:

You must purchase the item from our website before requesting your Price Match Guarantee.
Product must be a exact match of model #, features, and any warranty.
Promotions, rebates and buy one get one free offers are not eligible.
The item must be in stock on the competitors website the same day.
The item can not be discontinued, clearanced or a "sold as is" item.
The competitor must be an online store only -they can not have a retail location. This is due to the fact most brick and mortar stores get different manufacturer pricing when they sell in physical stores.
The website can not be a discounter or auction website such as eBay, overstock, Walmart, etc.
The competitor must be an official Authorized Retailer of the product.
The competitor must not be in violation of a minimum advertised price policy set by the manufacture.
The Price Match Guarantee includes the item price and the shipping cost, but it excludes sales tax.

Website Price Drop Protection Guarantee

We want you to feel confident that are getting the best deal without having to worry about missing a upcoming sale or deal! If you find that our website has a lower price for the same item you have ordered within 30 days of your purchase date we will refund the difference no questions asked.

To request your partial refund simply e-mail us a link to the same product on our website along with your name/order # from your past purchase within the 30 day period.

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Why Shop With Us

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Price Drop Policy

30 day price drop protection! Never worry about missing a near future sale.

Authorized Dealer

We are an authorized dealer with manufacture direct warranties.