Alleviate muscle tension, reduce stress, and promote relaxation using the Osaki Master 4D+. This new revolutionary massage chair provides advanced features such as a thorough shoulder massage, muscle tension detection, and zero gravity positionings, which can be utilized with the Osaki Premium Master app or a call to Alexa.
Thorough Shoulder Massage
The Osaki Master 4D+ proudly introduces the first ever over the shoulder massage using airbag compression that rotates and moves like real hands. There are a total of 10 individual airbags that synchronize to deliver a soothing massage.
Shoulder Massage Nodes
There is an extra massage node on each side of the shoulder pad to emulate an element of a hand massage on your shoulders.
Automatic Shoulder Adjustment
The chair uses an automatic body scan to detect the user’s shoulder height and width, and then automatically adjusts the position of the massage rollers accordingly to provide a more effective and personalized massage.
Muscle Tension Detection
The Osaki Master 4D+ utilizes its perceptive health pro program to detect any tension in your torso area. Using AI technology, the chair will tailor a massage program to your specific needs since every user has its own needs and body types.
Smart Voice Control
The Osaki Master 4D+ has Voice Control capabilities. The commands can be used through “Alexa” or say the statement “Hi, Osaki” followed by the predetermined commands in the manual.
App Control
If you have an iPhone or Android, go to the App Store or Google Play Store to download the Osaki Premium 4D + Master App to control the massage chair with the full features from the remote on your phone.
Touchscreen Controller
The Osaki Master 4D+’s touchscreen controller allows for easy navigation and adjustment settings. Using its swivel mount, the touchscreen can be conveniently positioned at different angles.
4D + Massage Mechanism
The Master is a four-dimensional massage chair with 4 levels of intensity and 5 levels of intensity, strength, and speed. The Master is also efficient in spot-treating or partially massaging the back area.
Attachable Magnetic Pillow
It is recommended to attach the pillow to the side of the chair before starting a massage to receive a proper shoulder massage.
Made up of Laser-Crafted Steel, the SL-track allows the massage rollers to freely reach the entirety of your body. The SL-Track extends all the way from your neck and shoulders to your hamstrings.
Negative Oxygen Ions
The Osaki Master 4D+ is incorporated with built-in negative air ionization therapy. According to research, negative air ionization therapy helps relieve stress and improve energy.
Zero Gravity Reclining and Space Saving
With the Osaki Master 4D+’s one stage zero gravity reclining, encounter relaxation in a state of weightlessness. This essential technology was originally developed by NASA. Osaki’s Space Saving Technology allows for the chair to be placed 3 inches from the wall and still achieve a full recline.
Lumbar & Feet Heating
The Osaki Master 4D+’s lumbar and feet heating system takes advantage of its heating coils to effectively warm and alleviates soreness along the lower back and feet.
The Osaki Master 4D+ was designed for users of different heights and body types. The chair’s automatic spring loaded Extendable Footrest elongates up to 8 inches to adjust to any user in mind.
The Osaki Master 4D+ utilizes calf massages to relax tensed leg muscles. The massage includes a sequence of kneading rollers that move vertically and airbag compression therapy to give a thorough massage to the calves.
The Osaki Master 4D+’s Specialized Foot Rollers were created to activate a series of acupuncture points using scientifically designed reflexology ridges. The foot extenders hold three rollers for each foot, to help give a complete massage from heel to toe.
Trustindex verifies that the original source of the review is Google.
Great experience purchasing from Yawnder! After getting a recommendation from Reddit, we checked them out and couldn't be more pleased with their customer service. We reached out on a Monday morning with a couple of questions and heard back from Billie on their customer support team within a couple of hours. They were quick to help us out and were able to offer additional customization offers at a better price than buying directly from the manufacturer. They have a great team and I would recommend them to anybody looking for a mattress!!!
Chrystal Johnson
2025-02-17
Trustindex verifies that the original source of the review is Google.
I'm so happy I found Yawnder and was able to test out beds from online retailers before taking the plunge. I ended up buying a different bed than planned so being able to test them first was huge. They made the buying process so easy and offer matches and discounts. Highly recommend!
Phil Baker
2024-12-31
Trustindex verifies that the original source of the review is Google.
If you're looking for a better way to shop for a mattress, Yawnder is the perfect solution. After visiting the usual mattress stores we only saw the major legacy brands like Simmons, Sealy, Tempurpedic, and a couple of the online brands, used mostly to upsell us to the other more expensive brands.
The other option is to buy online any of the newer brands and hope for the best. But mattresses vary so widely, it's a real hassle to find the best one by ordering without trying and returning successive times, especially after you've gotten rid of your old mattress. Yawnder solves this conundrum brilliantly. They have most of the newer brands available online to try and compare in one place.
My wife and I visited Yawnder and were able to try the ones we were interested in from reading Consumers Report, Wirecutter, Wired, the ads, and the many paid review sites that, of course, disagreed with each other.
We discovered the mattresses felt very different in person from their descriptions. One company's firm was softer than another company's medium. Some sagged at the edge, while others were too bouncy. We really needed to try them in person. Luckily, this one visit to Yawnder allowed us to try and compare all the models of a dozen or more brands.
We were helped by Billie, who was very knowledgeable and applied no pressure at all. She just explained each one objectively and never pushed one brand over another. Buying our mattress came down to trying them at our pace for over an hour. Pricing was as good or better than online. (see below).
Our mattress was delivered about 10 days after ordering by very two very capable individuals. They set everything up, including the remotes, adjusted the bed height to our liking and removed all of the cartons and the old mattress at no charge and took our old frame and box spring for a small charge.
A few days later I noticed the mattresses we bought on Amazon advertised by the manufacturer (Helix) for about $270 less than Yawnder's selling price. Even though Yawnder had also provided their own store discount of $290, making our net cost $20 less than Amazon, Yawnder said their price guarantee applies to the advertised price of the mattress without their extra discount, and insisted on giving us a refund of $270!
This was truly an amazing experience in every way. My wife and I feel we lucked out by finding an easy way to try out all the mattresses before buying, experiencing an educational, no-pressure sales process, getting timely white glove delivery, and paying less than anyplace else. San Diego is lucky to have such a unique store like Yawnder.
Karina Bezkrovnaia
2024-12-05
Trustindex verifies that the original source of the review is Google.
I’ve got two absolutely wonderful mattresses at Yawnder. I went there because of reviews by the owner Ben. Was lucky to find him at the store shopping for my first mattress and he was able to find me a right match right away and even suggested brand new cooling foam pillow I can’t get enough of!
Service was stellar , mattress removal was a breeze. So I’ve decided to get another mattress for my mom and made an appointment with Ben to make sure I get the right thing.
The store matched the discount offered online for Black Friday and went above and beyond to fix mailing issue , when second mattress got lost. It was quickly replaced in timely manner for our move. I can’t recommend them enough as selecting a mattress online is a pain. So don’t hesitate where to go for your sleeping needs.
Both selections Ben made for us are absolutely perfect , no need no return , look again and waste time . Thank you 🙏
Lawrence bartlett
2024-12-02
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🍐🍐🍐🍐🍐 The Bartlett family gives YAWNDER 5 Stars/5 Pears! We purchased a massage chair from the Miramar Road YAWNDER store. YAWNDER had the best products, the best personnel and the best PRICES. I’m so happy I found them.
Brooke Rose
2024-11-13
Trustindex verifies that the original source of the review is Google.
Loved our experience at Yawnder! Great place to try many mattress brands, we adore our Helix mattress
Geona Edwards
2024-09-24
Trustindex verifies that the original source of the review is Google.
Excellent prices, communication, and service. Definitely one of the best options out there for mattress purchases.
Elizabeth Russel
2024-09-20
Trustindex verifies that the original source of the review is Google.
Billie at Yawnder Mira Mesa San Diego was very helpful and showed us the mattresses we wanted to see without added pressure to buy. It was great to be able to try out mattresses from online sellers. We live the mattress we chose. I would buy a mattress from them again and recommend to others.
Nick Sica
2024-09-16
Trustindex verifies that the original source of the review is Google.
Yawnder is a quick and easy way to determine which mattress is best for you. Employees were very knowledgeable and helped me through the process.
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