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by Osaki

Osaki OS 4000T Massage Chair


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  • Osaki 4000T Massage Chair

    The Osaki 4000T massage chair is one of our best selling chairs and for good reason. This chair is packed with features and at a price point that makes it even more desirable among massage chair enthusiasts. Let the feature-rich Osaki 4000T relax you in the comfort of your home.

    Computer Body Scanning Technology
    Computer Body Scanning is included which helps the rollers precisely map your back. This is important because everyone's back is shaped differently and body scanning will allow this chair to do its job properly.

    Computer Body Scanning

    Massage Rollers
    The massage rollers start at the back of your neck and go all the way down to your lower back area.


    Osaki 4000T Back Rollers

    You can adjust the width and speed of the massage rollers as well. You'll want to do this to get the massage that feels best to you.

    Heated Lower Back
    Conveniently situated in the lower back area are 2 heating pads. Heated massage can be great for loosening stiff muscles and helps create a more relaxing state.

    2 Zero Gravity Positions
    The zero gravity position is widely recognized as the ideal position to enjoy a massage. Originally discovered by NASA, sitting in the zero gravity position allows you to almost feel weightless. The near-weightless feeling is achieved by taking the pressure off of certain parts of your body.

    Zero Gravity

    While in the 2nd zero gravity position, the weight of your back will be resting against the backrest which will make the massage rollers feel more powerful.

    2 Stage Zero Gravity

    Airbag Massage
    Osaki has done a great job placing the 46 airbags throughout the chair for your maximum enjoyment. These airbags are programmed to massage you in the right place, at the right time.

    You can also adjust the intensity of the airbags for a more custom massage.

    Arm Airbag Massage
    With this chair, your arms are well taken care of due to the arm airbags that inflate to apply a compression massage.

    Arm Air Massage

    Shoulder, Lumbar & Hip Squeeze
    In the upper to mid part of the chair, airbags inflate and deflate at various times which will allow your body to twist. This creates a relaxing stretch that is performed on your shoulders, lower back, hips, and thighs.

    Seat Vibration Massage
    Placed in the base of the seat is a vibration plate that when activated gives a soothing vibration massage to the back of your thighs.

    Foot Massage
    Do you enjoy a good foot massage? If so, the 4000T doesn't disappoint in that area.

    On the bottoms of your feet, you'll feel 2 rows of foot rollers as well as airbags on the sides of your feet. The airbags help to hold your feet into place and the foot rollers perform a deep kneading style massage.

    Foot Rollers

    The foot rollers also make use of reflexology which helps stimulate acupuncture points and makes for an overall healthier state of being.

    Calf Massage
    Your calves won't be forgotten due to the multiple airbags on the sides and the back of your legs and feet. The airbags will perform a compression massage which feels nice and also helps to increase blood flow.

    Automatic Leg Scan
    Will people with different leg lengths be using this chair? That's no problem at all.

    At the beginning of your massage, the chair will extend out fully and then retract.

    Leg Extension

    Once the foot portion of the chair has reached your desired length simply press your toes down firmly to tell the chair where to stop. Doing this will ensure you get a proper foot and calf massage.

    Full-Size Controller
    You'll appreciate the robust, full-size controller that's both easy to see and use.

    You can access the manual functions of the chair by flipping down the cover on the front. While in manual mode you can choose from kneading, tapping, shiatsu, rolling, combination, and Swedish massage styles.

    Remote Control

    The controller lets you choose the massage type, intensity, speed, and location.

      Wireless Remote Control
      Want a smaller controller that's both wireless and compact? No problem.

      The Osaki 4000T comes with a wireless remote that's on the top right of the main controller. This smaller remote will let you toggle between the main features of the chair. This comes in handy when you're in the reclined position and don't want to reach up for the main remote.

      Osaki OS 4000T Assembly Video

      Brand: Osaki
      Model: 4000T
      Roller Type: 2D
      Roller Track Length: 30"
      Roller Track Type: S-Track
      Roller Width Adjustment: Yes
      Roller Speed Adjustment: Yes
      Body Scan Technology: Yes
      Foot Rollers: Yes
      Zero Gravity: Yes
      Space Saving Technology:
      Auto Programs: 5
      Stretch Program: Yes
      Deep Tissue Massage: No
      Massage Techniques: Rolling, Kneading, Clapping, Tapping, Shiatsu, Swedish, Combo
      Manual Programs: Yes
      User Memory Setting: No
      Heat: Lumbar
      Total Airbags: 46
      Airbag Intensity Adjustments: Yes
      Timer Setting: 5 to 30 Minutes
      Bluetooth Capable:
      USB Charging Port: No
      Upholstery: Synthetic Leather
      Dimensions Upright: Approx. 46" L x 32" W x 47" H
      Dimensions Reclined: Approx. 76" L x 32" W x 47" H
      Power Supply: 110~120V AC
      Rated Frequency: 50/60 Hz
      User Height Range: 5'2" - 6'2"
      Maximum User Weight:
      260 lbs.
      Chair Weight: Approx. 214 lbs.
      Shipping Weight: Approx 284 lbs.
      Assembly Required: Yes
      Assembly Time: Approx. 1 Hour
      Country of Manufacture: China

      Warranty Options:

      • Free 3 Year Manufacturer Warranty: For the 1st year Osaki covers Parts costs and Labor. The 2nd year Osaki covers Parts costs. The 3rd year Structural Framework is covered.
      • 4 Year Extended Warranty +$149: For the first 2 years Osaki covers Parts costs and Labor. The 3rd & 4th year Osaki covers Parts costs.
      • 5 Year Extended Warranty +$249: For the first 3 years Osaki covers Parts costs and Labor. The 4th & 5th year Osaki covers Parts costs.
      • Commercial Warranty +$349: Osaki will provide up to 3 Years of Parts Replacement and will send out a technician (if needed) up to 2 times during the first 3 years you own the chair.

      *Please Note: Free and Extended Warranties are not valid for Commercial/Business use. You must purchase a Commercial Warranty if the chair will be used for Business.

      Useful Info:

      All of us at PrimeMassageChairs.com really do appreciate your business. If you have any questions you can ask below, Live Chat, or call us at 800-566-2798.

    • Prime Massage Chairs has partnered with 3 of the best financing companies in the market today, Affirm, Klarna, and PayPal Credit, with rates as low as 0% for qualified buyers!

      Affirm Klarna  PayPal Credit

      You can apply for financing on the last page of checkout. To learn more about how to apply for financing click here.

    • Find a better price somewhere else and curious if we can match or beat the price? Many times we can so don't be afraid to ask. 🙂

      Request Price Match button

      Luraco & Ergotec products are excluded.

    • Our mission is to help you find the right product at the right price, ship it to you fast and free, have it arrive in pristine condition, and help you understand how to use the product so you have the best experience possible.

      In some rare circumstances, you may receive damaged merchandise due to the shipping courier, you may want to return your product, or the product you ordered may be temporarily out of stock, otherwise known as a "back order."

      Please understand that our goal is to make sure you are 100% satisfied with your order. If, for any reason, you are unsatisfied with your order, please let our customer service reps know by email or phone, and we will do everything in our ability to ensure you are taken care of.

      If you need to contact us, please email support@primemassagechairs.com or call 800-566-2798.

    • Our goal is to keep the ordering process as simple as possible. Shipping times vary by supplier but are usually from 1-5 business days and delivery time varies between 5 -10 business days (white glove can take a week or so longer) if your product is in stock.

      Order & Shipping Confirmation:

      • You will receive an order confirmation email as soon as you place your order. This means that we have pre-authorized your credit card for the purchase and have begun processing your order.
      • As soon as we receive your order, we reach out to our supplier to confirm that it is in stock and available for shipment.
      • If your item is on backorder or unavailable, we will reach out to you via email.
      • If your item(s) are available for immediate shipment, we will process the charges and submit the order for shipment.
      • Once your order has been shipped out of the warehouse you'll receive an email from us with your tracking information.

        To view our Shipping Policy click here.

        PrimeMassageChairs.com offers a 30-day return policy. 
        To view our Return Policy click here.

      Customer Reviews

      Based on 25 reviews
      Rhonda J.
      I love it

      I love it

      Thank you Rhonda for shopping with us and for your review, we're happy you're loving your new Osaki massage chair!

      Vance D.
      Awesome chair

      My wife has quit going to the chiropractor now that she uses this chair!

      Thank you for your review Vance, we're happy you and your wife are enjoying your new Osaki OS 4000T massage chair!

      Kimberly J.

      great customer service, great product, would buy again from here for sure

      Thank you for your review and your business Kimberly, we're glad you're enjoying your new Osaki 4000T massage chair!

      Tan N.

      Satisfied and happy!!.

      Thank you Tan for shopping with us, we really appreciate your business and we're glad you're happy!

      JUDY B.

      works great

      Thank you Judy for shopping with us and we're glad you're enjoying your new Osaki 4000T massage chair!

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