Osaki OS-4000 Massage Chair - Refurbished

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Availability: In stock

Regular Price: $2,895.00

Price: $1,795.00

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Refurbished "Osaki OS-4000" SPECIALS!

We have a small inventory of "Refurbished" Osaki OS-4000's, that have been refurbished, tested and repacked. We are selling these at a large discount with a 1 Year Manufacturer Warranty included as well as Free Shipping & No Sales Tax! These will not last long.*These are sold as is, and may contain minor blemishes on the exterior.

Have any Questions? Just give us a call at 888.360.9996, or click on the Live Chat

Osaki OS-4000 Massage Chair

The Osaki OS-4000 massage chair features beautifully updated upholstery and includes Zero Gravity, a 30 inch Roller Stroke, Body Scan Technology, S-Track Massage Robot, full body air massage, seat vibration, and heat therapy for your back.

Customizing your massage is easy with the Osaki OS-4000's 5 unique auto programs: Healthcare, Circulation, Relax, Smart, and Demo, all with one touch of a button. Massage combinations are endless with 6 of the most desirable techniques: Shiatsu, Swedish, Kneading, Clapping, Rolling, and Combo. Add to that 5 speed and intensity settings and you have complete control of your massage for ultimate relaxation.

Osaki OS-4000 Massage Chair

Osaki OS-4000 Massage Chair Special Features

Osaki OS-4000 Zero Gravity

Zero Gravity Technology

The zero gravity features on the Osaki OS-4000 massage chair is notable because it is so effective and touts many benefits. Simply put the chair reclines and lifts your legs until you are in a position of complete weightlessness. As you can imagine, your body is completely relaxed and in this position you gain numerous health benefits such as pressure relief from the spine, relaxation of the neck and back, less pressure on the heart, increased circulation and blood oxygen levels, and expanded lung capacity.

Osaki OS-4000 Air Massage

Next Generation Air Massage

The Osaki OS-4000 massage chair has 38 re-engineered with the next generation of air massage technology. Through innovative engineering, Osaki gas reduced the total number of air bags but have increased the volume and surface area of massage. This ultimately puts less stress on the chair, making it one of the most mechanically sound massage chairs in the market.

Osaki OS-4000 S-Track

Truly Ergonomic S-Track

The Osaki OS-4000 Massage Chair is ergonomically designed to follow the natural S-curve of the human spine. It provides support to both your neck and back, especially the lumbar area. This position increases the effects of massage as it enables each disc of our spine to individually separate and decompress, allowing nutrients to enter disc tissues.

Osaki OS-4000 Massage Chair Features

Osaki OS-4000 Body Scan Technology

Body Scan Technology

At the touch of a button the Osaki OS-4000 will scan your body and not only automatically adjust the rollers for the perfect massage but also automatically adjust the height and width of the chair to fit your body. Coupled with the S-Track massage robot, this Osaki OS-4000 is capable of specially focusing on problem areas of the body like the neck, shoulder, and lumbar regions customizing and enhancing the massage experience.

Osaki OS-4000 Massage

Comprehensive Human Hand-Like Massage

The Osaki OS-4000 is equipped with extra soft quad style rollers to mimic the feel of the human thumb, thereby enhancing the massage experience. The width of the rollers can be adjusted to medium or narrow mode to suit individual needs for better penetrating effects. The rolling manipulation helps dredge the main meridians on the back, acanthus, forehead and the top of the head, along which the acupuncture points are distributed, to clear the collateral channels.

Osaki OS-4000 Arm Massage

Arm Air Massage

Along with mechanical advancement, the material has also made upgrades, such as the arm massaging area. Using a durable spandex, the bottom portion of the arm massager has been lined with small rubber bumps to invigorate the senses as the 4 air bags compress the tops and bottom of the forearm and hands.

Osaki OS-4000 Calf and Foot Massage

Calf & Foot Massage

There are 14 air bags along the sides and back of the legs and feet which inflate to apply a compression massage. Located along the bottom foot massager are acupressure nodes that apply a concentrated pin-point kneading massage.

Osaki OS-4000 Shoulder Massage

Shoulder, Lumbar, and Hip Squeeze

In the upper to mid portion of the chair, the 13 air bags are programmed to inflate at independent times, which causes the body to twist, creating an enjoyable deep stretch. Stretching is applied to the shoulders, lower back, hips and thighs.

Osaki OS-4000 Woreless Controller

Wireless Controller

Located on the back of the main remote of the Osaki OS-4000 massag chair, you will find a compact wireless remote allowing you to control the main features of the chair without having to struggle to reach the main remote in the reclined position.

Osaki OS-4000 Lumbar Heat

Lower Back Heat Therapy

Placed in the lower back region of the chair are 2 heating pads that enhance the massage experience.

Osaki OS-4000 Automatic Programs

Automatic Programs

There are 5 automatic programs and 3 localized programs equipped with the Osaki OS-4000 massage chair. The Automatic Programs are full body massage programs: Muscle Relief, Thai, Stretching, Ant-Stress, and Demo. The 3 localized programs only focus on certain regions: Neck and Shoulder, Back and Lumbar, and Full Air.

Osaki OS-4000 Manual Programs

Manual Programs

Manual Programs give you more flexibility to get the right massage to provide the relief you desire. Enjoy Tapping, Clapping, Shiatsu, Rolling, Swedish, and Kneading. You can also adjust the intensity and strength to get the right massage for you.

Osaki OS-4000 Additional Features

  • Timer function can be adjusted according to your desired duration of the massage program.
  • The Auto Leg Scan allows the calf and foot massager to adjust accordingly to your leg length ensuring that the airbags target the correct locations.
  • Located in the seat is a strong vibration system that provides a soothing and relaxing vibration massage that you can turn on and off during any massage cycle.
  • Spot and Partial massage that will allow you greater control of the massage roller to really work on those tight spots on your back.
  • Full Size Pedestal LCD Remote to give you complete control and access to your entire massage.

Product Video


Product Warranty

Osaki 1 Year Warranty

Osaki guarantees that your qualified refurbished product will be replaced or repaired, without cost to you, should it be deemed defective because of faulty parts, workmanship or structural defects during the first year of ownership, excluding specific limitations. Osaki Covers Parts, Labor, and Structural Framework for a total of 1 year.

You may obtain service advice by contacting the Osaki Customer Service department toll-free at 1-888-848-2630.

Download Warranty

Osaki 1 Year Extended Limited Warranty

The 1 Year Extended Limited Warranty adds an additional year of In-Home Service, Parts and Labor, and Structural Framework to the standard Osaki 1 year warranty on refurbished items.

Osaki 2 Year Extended Limited Warranty

The 2 Year Extended Limited Warranty adds an additional 2 years of In-Home Service, Parts and Labor, and Structural Framework to the standard Osaki 1 year warranty on refurbished items.


Manufacturer Osaki
Country of Manufacture China
Roller Type 2D
Roller Length 30"
Roller Track Type S-Track
Roller Width Adjustment Yes
Roller Glute Massage No
Roller Speed Adjustment Yes
Roller Intensity Adjustment Yes
Removable Back Pad No
Body Scan Technology Yes
Foot Rollers No
Recline Automatic
Zero Gravity Yes
Inversion Therapy No
Auto Programs 5
Stretch Program Yes
Deep Tissue Massage No
Massage Techniques Rolling, Kneading, Clapping, Shiatsu, Swedish, Combo
Manual Programs Yes
Spot/Partial Massage Yes
Memory Setting No
Vibration Yes
Heat Lumbar
Total Airbags 38
Air Massage Arm, Calf, Foot, Hand, Head, Hip and Thigh, Upper Arm and Shoulder
Airbag Intensity Adjustments Yes
Ottoman Length Adjustment Automatic
Hideaway Ottoman No
Timer Setting 5 to 30 Minutes
MP3 Player No
Remote Type LCD Pedestal Remote, Mini Remote
Chromotherapy No
Upholstery Soft Synthetic Leather
Dimensions Upright (L" x W" x H") 46L x 32W x 47H
Dimensions Recline (L" x W" x H") 76L x 32W x 47H
Height Range 5'2" - 6'4"
Recommended Weight (lbs) 265lbs.
Massage Chair Weight 214lbs.
Warranty 1 Year Limited Warranty
Number of Motors 7
Big Box Size (L" x W" x H") 52.4L x 30.3W X 37.2H
Big Box Contents Base of Chair, Back Rest, Ottoman, Remote, Back Pad, Installation Hardware
Small Box Size (L" x W" x H") 37.8L x 25.6W x 15H
Small Box Contents Side Arm Panels
Shipping Weight 284lbs.

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