On Sale

  • Features
    1. Design Upgraded.
    2. New Foot roller.
    3. PCB Motors.
    4. Six Unique Auto-programs.
    5. 6 Massage Styles
    6. 5 Levels of Speed & Intensity
    7. Calf Rest can be Lifted and Stretched
    8. Auto Timer 5-30 Options
    9. Hip Air Massage
    10. Vibration Seat Massage
    11. Shoulder Air Massage
  • Description
  • Warranty
  • Manuals

Osaki OS-4000T

​The OS-4000T 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.

Osaki OS-4000T Features

True Erogonomic S-Track

The OS-4000T Zero Gravity massage chair is ergonomically designed to contour a variety of spine shapes. The Spine curvature is unique from one individual to the next. The S-track system allows the roller heads to massage along the back from the neck down to the lower spine with a consistent pressure in the massage, along with a comfortable support. The typical massage tracks, being linear, create an inconsistency in pressure applying weak massages in the neck and lower back.

Computer Body Scan System

Equipped with the latest technology, it allows for the rollers to map the back curvature with even more accuracy, which translates into a more precise massage hitting all the key areas. Regardless of your body type, this highly advanced chair will self-adjust making each massage experience feel customized.

Unique Foot Roller

Located on the bottom of the feet are 2 rows of spinning reflexology massagers which provide a soothing kneading style application. As the rollers spin it will stimulate acupuncture points and as the air bags inflate it will generate a much deeper massage along the bottoms of your feet.

Next Generation Air Massage Technology

Osaki OS-4000T has re-engineered and developed the next generation of air massage technology, streamlining the air massager to a lower count. Through innovative engineering, we have reduced the total number of air bags but have increased the volume and surface area of massage. By doing so the total number of working valves has drastically reduced from prior model. Which ultimately puts less stress on the chair, making it one of the most mechanically sound massage chairs in the market.

Auto Recline and Leg Extension

This chair defines luxury. Fully automatic to make every movement effortless. The simple to use remote control allows you to operate the foot extension, leg rest, recline of backrest, and the zero gravity position.

Wireless Controller

Located on the top right of the main remote 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.

Lower Back Heat Therapy

There are 2 heating padsone on each side in the lower lumbar area. The heat therapy is a great compliment to roller and airbag massage. The heating pad is not intended to be use for more than 30 minutes a day or the duration of a massage preset program.

​Auto Leg Scan

The calf and foot massager is capable of making adjustments according to each individual’s leg length, ensuring that the massage air bags are concentrating on the correct areas. At the start of the massage, the legs will fully extend out and then retract. Once the foot massager has reached the desired length, firmly press your toes down to indicate the chair to stop.​

​Seat Vibration

Located in the seat base is a vibration plate that provides a vibration massage to the back of the thighs.

Full Body Air Massage

Outer Shoulder Massage

Arm & Hand Massage

Hip & Pelvis Massage

Calf & Foot Massage

6 Massage Style





Kneading & Tapping

Kneading & Shiatsu


Osaki OS-4000T
Rated Voltage
Rated Frequency
Main Body Dimension
52L x 31W x 34H (inch)
Vertical side
38H x 25W x 15H (inch)
Gross Weight
255 lbs (* Net weight : 213 lbs)
Auto Timer
5/10/15/20/25/30 minutes
Length of the wire
Controller wire : 1.2m
Power supply wire : 2.1m

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