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Osaki OS-4000LS Massage Chair - Black
Osaki OS-4000LS Massage Chair - Black
Osaki OS-4000LS Massage Chair - Brown
Osaki OS-4000LS Massage Chair - Taupe
Osaki OS-4000LS Massage Chair Setting
Osaki OS-4000LS Massage Chair Setting 2
Osaki OS-4000LS Massage Chair - Front View
Osaki OS-4000LS Massage Chair - Interior

Osaki OS-4000LS Massage Chair

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Delivery Estimate
Feb 13 – Feb 17
In-Home Delivery adds 1-2 weeks
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Massage Chair Specialists
For nearly a decade



2D L-Track

Enjoy complete relaxation as the Osaki OS-4000LS massage chair’s 42 inch roller track massages your neck, back and buttocks. The OS-4000LS is equipped with dual mechanical foot rollers, 6 auto programs, 24 airbags that compress against your body, low back heating, body scanning technology, space saving recline, a shoulder adjustment, an extendable footrest, and more.

Osaki OS-4000LS Features

Osaki OS-4000LS Massage Chair L-Track

42" L-Track Massage

The Osaki OS-4000LS massage chair is equipped with a 42″ L-Track design. The quad roller system massages your neck, entire back, and trails underneath the seat to reach your buttocks.
Osaki OS-4000LS Massage Chair Foot Rollers

Foot Rollers & Leg Airbags

Dual mechanical rollers target your feet’s acupoints and therapeutically knead the bottoms of your feet. While this is occurring, airbags inflate against the sides of your feet to create a squeezing-like motion.

Airbags also squeeze your calves, delivering a rejuvenating leg massage.
Osaki OS-4000LS Massage Chair Zero Gravity

Zero Gravity

The Zero Gravity recline position perfected by NASA places your legs level with your heart and evenly distributes your weight across the chair. This “weightless” recline relaxes your neck and back, increases circulation and blood oxygen levels, expands lung capacity, and reduces tension throughout your entire body.
Osaki OS-4000LS Massage Chair Airbags
Shoulder Airbags
Lumbar Airbags
Arm Pocket Airbags
Waist Airbags
Calf Airbags
Foot Airbags

24 Airbags

Due to the extended 42″ roller system massaging a larger area of the body, the Osaki OS-4000LS requires fewer airbags. Its 24 airbag count is plenty and still targets the key regions of your body.

The airbags compress against the shoulders, arms & hands, lower back, waist, calves, and feet. The airbag strength can be adjusted by pressing the “Intensity” button on the remote. The OS-4000LS offers five airbag intensity levels — from mild to strong.
Osaki OS-4000LS Massage Chair Lower Back Heat

Lumbar Heat

Two heating modules are located in the lumbar region to help soothe away muscle tension. Heat therapy loosens up your back’s muscle fibers and allows the rollers to penetrate deeper into your spine.
Osaki OS-4000LS Massage Chair Adjustable Shoulders

Adjustable Shoulder Width

The Osaki OS-4000LS is one of the few massage chairs featuring an outer shoulder adjustment to accommodate users of various builds. Most chairs typically have one stationary position which can often neglect users who have broader or narrower shoulders. To adjust the shoulder position, firmly press the shoulder panel inward or outward up to 3 different widths.

Body Scanning

The Osaki OS-4000LS features the latest in body scanning technology. When powered on, the chair maps your back, detects your body’s acupressure points, and customizes the massage rollers for your unique body shape.
Osaki OS-4000LS Massage Chair Auto Programs

6 Auto Programs

The Osaki OS-4000LS is equipped with six touch-and-go automated modes targeting the entire body.
  • Deep Tissue: This auto program engages the full body in a deep tissue massage. It focuses on the neck, shoulders, waist, and hips.
  • Stretch: This auto program fully stretches the body, including the back muscles, hands, hamstrings, and waist.
  • Energy: This auto program delivers a light, stimulating tapping massage throughout the entire body.
  • Relax: This auto program starts with a slow kneading and heavy tapping massage, which progresses into an in-depth neck and lower back massage.
  • Full Air: This auto program takes advantage of the chair’s airbag technology. It applies a full body air compression massage to the shoulders, arms & hands, low back, waist, thighs, calves, and feet.
  • Manual Air: This auto program turns on the specific airbags you want to activate.
Osaki OS-4000LS Massage Chair Manual Programs

Custom Roller Techniques

With the Osaki OS-4000LS, you can dive into the remote control’s manual mode to pinpoint specific areas of the back you want the rollers to target. For example, if you have an aching neck, you can localize the massage to that particular area and choose from one of four distinctive roller techniques (Kneading, Tapping, Shiatsu, and Rolling).

You can also set the width of the rollers (three levels of adjustment; from wide to narrow) and speed of the rollers (three levels).
Osaki OS-4000LS Massage Chair Vibration

Vibration Massage

The Osaki OS-4000LS has two plates embedded inside the seat which can be activated to enjoy a soothing vibration massage.

Space Saving Recline

The Osaki OS-4000LS slides slightly forward as it reclines, allowing the chair to be safely placed within 4 inches of a wall. This is a great feature for those who have limited space and/or want a chair with a smaller footprint.
Osaki OS-4000LS Massage Chair Footrest Extension

Extendable Footrest

The spring loaded footrest can accommodate users up to 6’4″ in height. To extend the footrest, simply push outward with your legs.

4000CS vs 4000LS

The OS-4000CS and OS-4000LS are both the same chair with the exception of one important feature: foot rollers. The OS-4000LS includes rejuvenating foot rollers; the OS-4000CS features a less impressive, airbag foot sole squeeze.

Easy Assembly

The OS-4000LS ships in two boxes: the main body and footrest. The chair is already mostly pre-assembled. Simply connect the footrest to the main body of the chair and you’re ready to begin your relaxing massage.