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Osaki OS-4000 Zero Gravity Massage Chair
Sanyo HEC DR7700


The OS-4000 is designed with six unique auto-programs: Healthcare, Relax, Therapy, Smart, Circulation and Demo. The automatic massage program for the upper body encompasses your shoulders, your neck, your back, and your lumbar area. Programs for your lower body includes: buttocks, thighs, calves and feet. Manual massage for the upper body comes with three options, full body, partial and fixed; that has six massage styles - rolling, kneading, clapping, shiatsu, Swedish and combo. Manual massage also has five levels of speed and intensity with three kinds of width adjustable settings: wide, medium and narrow air pressure massage for back (two airbags), and also includes five intensity options. Air pressure for lower body (twenty-six airbags), with five intensity options powerful vibration massage for buttocks, calf rests that can be lifted and stretched, backrest can also be lifted. LCD display comes with auto timer 5-30 minutes and a wireless mini-controller.

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The Osaki OS 4000

Benefits of a Zero Gravity Massage Chair:
A Zero Gravity chair puts you in a position that allows your massage chair to do a far more effective job and relieve conditions as follows.

  • Helps relieve back pressure with the zero gravity design
  • Helps reduce sore muscle tension
  • Helps correct spinal alignment
  • Helps reduce chronic pain condition such as sciatica or a painful mid back, Arthritis, Fibromyalgia and more.
  • Helps decrease stress on the heart

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- Standard 3 year warranty info
- Osaki return policy info

  • Overview
  • Specs
  • Additional Images
  • Reviews

The Osaki OS-4000 massage chair has all the features that the Osaki OS-3000 massage chair has plus heat therapy for your back, vibration massage in the seat, air and vibration massage for the arms, air massage foos4000 remote controlr the hips, neck, and shoulders. The OS-4000 features a zero gravity design that utilizes a set of S-shaped tracks with movable intelligent massage robots. This allows the chair to self-adjust to the contours of your back with special focus on your neck, shoulders, and lumbar area, then the chair massages according to your personal body curves. This allows the chair to give you a more realistic and soothing massage such as you would receive from a masseuse.

Zero gravity design

  • Designed with a set of S-track movable intelligent massage robot, special focus on the neck, shoulder and lumbar massage according to body curve
  • Automatically detect the whole body curve as well as make micro adjustments, which brings more humanistic and scientific massage enjoyment
  • Designed with six unique auto-programs: Healthcare, Relax, Therapy, Smart, Circulation and Demo
  • Automatic massage for the upper body (shoulder, neck, back and lumbar), the low body (buttock, thigh, calves and feet)
  • Manual massage for the upper body with three options, full body, partial and fixed
  • Six Massage styles - rolling, kneading, clapping, shiatsu, Swedish and combo with five levels of speed & intensity
  • Three kinds of width adjustable settings, Wide, Medium and narrowos4000 Zero Gravity
  • Air pressure massage for back (two airbags), with five intensity options
  • Air pressure for lower body (twenty-six airbags), with five intensity options
  • Powerful vibration massage for buttocks
  • Calf rest can be lifted and stretched, backrest can be lifted
  • LCD display
  • Auto timer 5-30 options
  • Wireless mini-controller
  • 32 air bags, 10 in the feet, 10 in the calves, 3 in the seat and 2 in the back. 2 in the shoulders, 3 neck & 3 in the hips
  • Air & Vibration Arm Massage
  • Hip Air Massage
  • Vibration Seat Massage
  • Lower Back Heat Therapy
  • Air Squeeze Neck massage
  • Shoulder Air Massage

Zero Gravity Design
Truly Ergonomic S-Trac
Human Hand like Massage

Most ergonomically correct reclining position, taking virtually all the burden of gravity off your spine. It cradles you like a baby and leaves you feeling weightless and deeply relaxed.

  • Helps relieve back pressure with the zero gravity design
  • Helps reduce sore muscle tension
  • Helps correct spinal alignment
  • Helps reduce chronic pain condition such as sciatica or a painful mid back, Arthritis, Fibromyalgia and more.
  • Helps decrease stress on the heart

 

Ogawa SmartAire ergonomically spinedesigned with the shape and curvature of the human spine in mind.

It provides support to both your neck and back, especially the lumbar area.

This position increases the effects of the massage.

Uses twin rollers to mimic the feel of the human thumb, thereby enhancing the massage experience.

The width of the rollers can be adjusted and customized.

os4000 rollers


Osaki OS 4000 Specs
Voltage: AC 110V / 60 HZ.
Consumption: 20-200 Watts
Timer Range: 30 minutes.
Lying Angle: 170°
Weight of Chair: Approximately 213 Pounds.
Max User weight: 220 Pounds.

Standard Warranty

Osaki OS4000 Osaki OS4000
Massage Specifications
Rolling Stroke 28"
Number of Motors Total N/A
Timer Settings (minutes) 15-30
Back Massage Functions
Rolling, Kneading, Tapping Yes
Combination Kneading and Tapping Yes
Variable Roller Width Adjustment Yes
Heating Element Lower Back
Air Massage in Back Yes
Air Massage in Seat Yes
Vibration in Back No
Vibration in Seat Yes
Auto Programs 5
Leg and Foot Massage Features
Mechanical & Air Leg / Foot Massage No
Mechanical Rolling in Footrest No
Air Massage in Leg / Foot Yes
Extendable Footrest Yes
Chair Specifications
One Touch Recline / Return No
Back Recline Angle 148 to 143 degrees in Zero G. 170 in full recline
Two Motor Recline Yes
Single Motor Recline No
Removable Arms Is possible after assembly
Leather No
Synthetic Leather Yes
Dimensions - Upright W x D x H 32" x 52" x 47"
Dimensions - Recline W x D x H 32" x 76" x 35"
Country of Origin China
Warranty 1 Year In Home labor (excluding shipping), 2 Year Parts, 3 Year frame
Comments And Other Features
Special Features Zero Gravity, and wireless remote.
Removable Back Pad Yes

Osaki OS4000 BlackOsaki OS4000 CremeOsaki OS4000 BrownOsaki OS4000 Charcoal

We have not received any reviews on this massage chair yet.


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