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JPMedics Kawa vs Osaki JP Nexus massage chair comparison.

Massage Chair Comparison: JPMedics Kawa vs Osaki JP Nexus

Today we're comparing two Japanese massage chairs, the JPMedics Kawa and the Osaki JP Nexus 4D.

Both chairs offer a range of advanced features designed to provide users with an immersive and rejuvenating massage experience. 

While they share some similarities, there are also notable differences that set them apart.

In this comparison, we'll explore the key features, technologies, and design elements that define each chair, helping you make an informed decision on which one best suits your needs and preferences.

Now let's get into the details. 

Top Features of the JPMedics Kawa

3D Massage with L-Track Technology

The JPMedics Kawa offers a truly indulgent massage experience, thanks to its 3D L-Track system.

Meticulously engineered to replicate the natural curvature of your spine, this innovative design ensures a comprehensive and tailored massage.

JPMedics Kawa L-Track Technology

Starting at your head and neck, the massage rollers glide seamlessly down your spine, providing targeted relief to your back muscles.

The L-shape design allows the rollers to continue their journey, reaching under your glutes and extending down to the back of your thighs.

With the JPMedics Kawa, you can enjoy a full-body massage that leaves you feeling rejuvenated and pampered.

Soothing Lower Back Relief

The JPMedics Kawa also comes equipped with lumbar heat therapy. This thoughtfully designed feature provides soothing warmth directly to your lower back, helping to melt away tension and stress.

JPMedics Kawa Lumbar Heat Therapy

The therapeutic warmth not only alleviates muscle tightness in your lumbar region but also helps to ease joint stiffness.

Compact and Space-Efficient Design

The JPMedics Kawa massage chair is designed with space-saving in mind.

This innovative chair requires only a minimal 1" clearance from the backrest to achieve a full recline position, making it ideal for homes with limited space.

JPMedics Kawa Space Saving

Its compact size allows for easy integration into various room layouts without compromising on the massage experience.

The Kawa's space-efficient design ensures that you can enjoy the benefits of a high-quality massage chair without sacrificing valuable floor space.

Whether you live in a cozy apartment or have a dedicated relaxation area, the JPMedics Kawa can be a convenient and practical addition to your home.

Targeted Pressure Relief

Immerse yourself in a world of relaxation with the JPMedics Kawa's air compression massage technology.

Featuring 30 precisely placed airbags, this innovative system delivers targeted pressure to key areas of your body, including your hands, arms, shoulders, neck, feet, hips, calves, seat, and waist.

JPMedics Kawa Air Compression Therapy

The strategically positioned airbags work together to provide a thoroughly relaxing massage experience.

With adjustable intensity levels, you can customize the massage to your preferences, enjoying just the right amount of pressure to melt away your tension.

Rejuvenating Lower Leg Treatment

The Kawa's footrest houses multiple airbags that use advanced air cell technology to deliver a gentle, compressive massage to your legs and feet.

JPMedics Kawa-Foot & Calf Massage

For those seeking a more intensive treatment, the Kawa also includes a single row of foot rollers that provide a targeted, deep-tissue massage.

These rollers work from within the footrest to knead and roll away tension, leaving your feet and calves feeling rejuvenated and refreshed.

Pros and Cons of the JPMedics Kawa


  • Made in Japan
  • 3D Massage Mechanism
  • L-Track Technology
  • Full Body Airbag Massage
  • Zero Gravity Recline
  • Lumbar Heat Therapy
  • Foot & Calf Massage
  • Space Saving Design
  • Bluetooth Speakers
  • Touch Screen Remote
  • Armrest Controls
  • 10 Auto Programs
  • Quick Auto Body Scanning
  • Spot/Partial Focus Massage
  • Leg Extension
  • Custom Massage


  • Only 2 colors available (black or grey)
  • Requires a minimum doorway width of at least 31"
  • User cannot be taller than 6’3" or shorter than 5’0”
  • User cannot weigh more than 320 lbs.
  • Some assembly required
JPMedics Kawa Massage Chair
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Top Features of the Osaki JP Nexus

Japanese Quality

The Osaki JP Nexus 4D is another Japanese massage chair in today's comparison.

Osaki JP Nexus Japanese Design

The Nexus is not only very well equipped with advanced features, it's also designed to withstand the test of time and provide lasting comfort.

4D Massage Experience

Elevate your relaxation to new heights with the Osaki JP Nexus 4D massage chair's 4D massage system.

This advanced technology goes beyond the limitations of traditional massage techniques, offering targeted relief when you need it most.

Osaki JP Nexus 4D Massage

The 4D rollers are designed to mimic the skilled hands of a professional masseuse, adapting to the unique contours of your body and providing a truly personalized massage experience.

With the ability to adjust the intensity and rhythm of the massage, the Osaki JP Nexus 4D ensures that you receive the ultimate in customized relaxation, leaving you feeling rejuvenated and refreshed.

More Massage Coverage

The Osaki JP Nexus boasts an advanced SL-track system, meticulously crafted from premium, laser-cut steel.

This innovative design allows the massage rollers to reach from your neck down to your glutes and thighs.

Osaki JP Nexus SL-Track

The SL-track's extended length ensures that you receive a full-body massage, targeting all the critical areas where tension and fatigue tend to accumulate.

With the Osaki Nexus's SL-track system, you can experience a truly immersive and thorough massage when you want one.

Lower Back Heat Therapy

Experience the soothing benefits of the Osaki JP Nexus 4D's advanced graphene heating technology, specifically designed to target your lower back and provide effective relief from muscle soreness.

This innovative heating system harnesses the unique properties of graphene, a highly conductive and efficient material, to deliver precise and penetrating warmth to your lumbar region.

Osaki JP Nexus Lumbar Heating

With the Osaki JP Nexus 4D's targeted lumbar heating, you can enjoy a more focused and effective approach to alleviating lower back pain and promoting overall well-being.

Near-Weightless Zero Gravity Recline

Immerse yourself in a state of pure relaxation with the two-stage zero gravity reclining technology the Nexus comes equipped with.

This feature elevates your legs above your heart, creating a sensation of weightlessness that helps to reduce pressure on your spine and may improve circulation throughout your body.

Osaki JP Nexus Zero Gravity

As you recline into the zero gravity position, you'll feel the stresses of the day melting away.

Pros and Cons of the Osaki JP Nexus


  • Made in Japan
  • SL-Track System
  • 4D Massage
  • Lumbar Heating Therapy
  • 2-Stage Zero Gravity
  • Space Saver
  • Auto Extendable Footrest
  • Full Body Air Massage
  • Smart Voice Control
  • Touchscreen Remote
  • Body Scan
  • Calf and Foot Massage
  • Quiet Operation
  • Hand Reflexology
  • 16 Auto Programs


  • User cannot be taller than 6’3" or shorter than 5’0”
  • User cannot weigh more than 250 lbs.
  • Some assembly required
  • Minimum doorway width required: 33.5"
  • Max. User Foot Size: US Men's Size 13
Osaki JP Nexus 4D Japanese Massage Chair
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Similarities and Differences

The JPMedics Kawa and Osaki JP Nexus 4D massage chairs share several similarities in their pursuit of providing users with a luxurious and therapeutic massage experience.

Both chairs feature innovative track systems, offering a enveloping massage from neck to glutes.

Additionally, both models offer lumbar heat therapy to alleviate lower back discomfort and promote relaxation.

However, there are notable differences between the two chairs.

The Kawa prioritizes space-saving design, requiring only 1" of clearance from the backrest for full recline, making it ideal for homes with limited space. It also boasts 30 airbags for targeted air compression massage.

In contrast, the Nexus showcases advanced 4D massage rollers that mimic the hands of a skilled masseuse, as well as voice control for even more ease of use.

User Height Range and Max Weight Capacity

Both the JPMedics Kawa and Osaki JP Nexus cater to a broad spectrum of body types, with a user height range of 5'0" to 6'3".

However, the Kawa boasts a higher maximum weight capacity of 320 lbs., making it suitable for a wider variety of individuals compared to the Nexus, which supports up to 250 lbs.


In conclusion, both the JPMedics Kawa and Osaki JP Nexus 4D massage chairs offer a wealth of features and technologies designed to provide users with a truly immersive and rejuvenating massage experience.

While they share similarities in their pursuit of delivering therapeutic benefits, such as full body massage coverage and lumbar heat therapy, each chair has its own unique strengths and weaknesses.

Ultimately, the choice between these two exceptional massage chairs will depend on your individual needs, preferences, and available space.

Should you choose either chair, you can be confident that you're investing in a high-quality product that will provide you with years of relaxation and a great way to relax at the end of the day.

That's all for this comparison, if you have any questions give us a call at 800-566-2798. Thank you for reading!

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We do not provide medical advice. The content of this article, including text, graphics, and other material, is for informational purposes only. It is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a health condition. Never disregard professional medical advice or delay in seeking it because of something you have read in this article.

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