Osaki OS-4000LS Massage Chair


  • L-Track Massage
  • Zero Gravity
  • 3-Level Shoulder Adjustment
  • Foot Rollers
  • Lumbar Heat Therapy
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Osaki OS-4000LS Massage Chair

The osaki os-4000ls massage chair is an L track style massage chair. This track allows the rollers to start at your neck and go all the way down your spine and then wrap underneath your glutes and then to the Bottom of your thighs. New to the 4000Ls is the addition of foot rollers and a spring loaded extendable ottoman. Also equipped is a 24 airbag compression massage, body scan technology, zero gravity, innovative adjustable shoulder massage and more.

Osaki OS-4000LS Features

L-Track Rollers – L-Track system massages from the neck, past the glutes, and down to the back portion of the thighs. The track in which the massage heads move are curved to contour the back and glutes area.

Zero Gravity – 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.

Lumbar Heating Pad – On each side of the lower lumbar area there are individual heating pads. The heat therapy is a great compliment to the roller and airbag massage. Heating the body’s temperature is known to increase blood circulation and loosen tense muscles. The heating pad is not intended to exceed more than 30 minutes of usage a day.

24 Airbag – Osaki strives to make its chairs efficient and extremely reliable. Other brands will market their chairs to have 70+ airbags for a full body massage. The engineers believe with more airbags and more valves, the more strain the air pump endures. With more moving parts there’s a greater chance of something failing. Osaki has been engineering its chairs to reduce the airbag count and at the same time increasing the surface area by using more pliable and durable material which have received great feedback. All 24 airbags are strategically placed to optimize the squeezing effect of the shoulders, arms, hands, hips, calves and feet.

Osaki OS-4000LS Review

Osaki OS-4000LS Specifications

3 Level Shoulder Adjustment –Osaki has taken custom fitting to a whole new level by adding adjustable outer shoulders. The outer massage airbags are typically stationary and depending on the height and width of the user, the shoulder massagers can be ineffective because of positioning. With the ability to adjust to 3 different widths, the user can improve the strength and fitting of the outer shoulder massage.

Space Saving Technology – Typical massage chairs consume a more space due to the chair being in a reclined position. Massage chairs require up to 3 feet behind the backrest for the chair to fully recline. Titan’s innovative design team has engineered a space saving technology that slides the chair forward as the chair reclines. Fully reclined this chair can be positioned within 6 inches of a wall for maximum space saving.

Osaki OS-4000LS Dimensions

Weight: 272 lbs

Upright Dimensions: 63.4″ x 30.7″ x 47.2″

Recline Dimensions: 78″ x 30.7″ x 33.9″

Additional information

Weight250 lbs
Dimensions63 × 30 × 47 in

Osaki Massage Chair


Black, Brown, Cream

Number of Programs

6 Auto Programs


3 Years


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