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Osaki 4000 - Open Box
Actual Price($) : 2495.00
Discount($) : 800.00
Sale Price($) : 1695.00
Shipping Charges($) : 0.00
Final Price($) : 1695.00
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Online only - Osaki OS-4000 – Factory refurbished massage chair in Cream, Brown, and Black, with a 90 day factory warranty.
1 and 2 year extended warranties are available.
Refurbished massage chairs are mechanically sound, but may have minor scuffs, scratches, or marks on them.

Osaki’s 4000T massage chair replaced their 4000 model with the 4000T, to add foot rollers.

The Osaki 4000 and 4000T, is a high quality massage chair mechanically speaking, and a great buy for the money.
It also has alot of the features found in more expensive massage chairs, such as lumbar heat and zero-gravity.

Product Description

Osaki OS-4000 massage chair in Cream.
Black and Brown are also available. Charcoal is discontinued.
Factory refurbished, delivered open box & assembled, from Osaki w/ a 90 day warranty.
Extended warranty available.
Please specify color.

  • Sorry, but refurbished massage chairs are not eligible for Free White Glove delivery.

Computer Body Scan
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.

Zero Gravity Massage
Inspired by NASA technology, the Zero gravity position is the perfect position to enjoy a massage, aligning your back relative to your thigh at an optimal level of comfort. When reclined into the zero gravity position, the complete weight of your back is virtually supported by the backrest which maximizes the intensity of the massage. This feature improves spinal decompression and decreases muscle tension of the spine. There are 2 stages of zero gravity, the 2nd being more reclined. When reclined fully, to where your legs are higher than your heart level, the therapeutic effects are incredibly effective and may be felt immediately.

Next Generation Air Massage Technology
Osaki OS-4000 has re-engineered and has 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.

Arm Air Massagers
Along with mechanical advancement, the material has also incorporated some 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 air bags compress the tops and bottom of the forearm and hands.

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.

Calf & Foot Massage
There are multiple air bags along the sides and back of the legs and feet which inflate to apply a compression massage.

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

Shoulder, Lumbar & Hip Squeeze
In the upper to mid portion of the chair, the air bags are programed 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.

Full Size Easy-to-Use Remote The OS-4000 remote presents one of the largest viewing screens to easily visualize what functions the chair has activated. There is also a flip down cover to access the manual functions of the chair. The remote allows you to select the massage type, speed, and location. You can also independently select the area of airbag massage. The manual mode massage includes kneading, tapping, shiatsu, rolling, combination and Swedish.

- Air Intensity Adjustment – The air intensity of the air bags can be controlled up to 5 levels, from mild to strong.
- Massage Speed Control – The speed in which the massage heads move can be controlled up to 3 different speeds, ranging from slow to fast.

Auto Leg Scan

The calfand footmassager 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 chair will fully extend out and then retract. Once the foot massager has reached the desired length, firmly press your totes down to indicate the chair to stop.

Arm & Hand Massage

Multiple air bags are located on the top and bottom of the forearm that inflate to apply a compression massage.

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


Product Name - Osaki Os-4000

Model No. - Os-4000

Rated Voltage - 110-120V

Rated Frequency - 50/60HZ

Main Body Dimension - 52L*32W*34H (inch)

Vertical Side - 38L*25W*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 and Power supply wire: 2.1m