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Massage Chair Comparison: JPMedics Kumo vs Osaki OS Pro 4D Emperor

Massage Chair Comparison: JPMedics Kumo vs Osaki OS Pro 4D Emperor

When it comes to top-notch at-home relaxation, the JPMedics Kumo and the Osaki OS Pro 4D Emperor are two very nicely-equipped massage chairs worth considering.

Both chairs are packed with advanced features designed to provide a personalized, spa-like massage experience right in the comfort of your own home.

Whether you're looking for deeper tissue massages, reflexology foot rollers, or heated knee and calf therapy, these chairs have got you covered.

So, let's take a closer look at these two massage chairs and see how they stack up against each other.

Top Features of JPMedics Kumo

4D Heated Rollers

The JPMedics Kumo uses 4D heated rollers, a feature that allows adjustments for massage intensity and the heat helps your muscles relax.

4D Heated Rollers

The Kumo is like having a professional masseuse, but without leaving your living room. This chair is truly a step forward in massage technology. 

Heated Knee and Calf Therapy

The Kumo stands out as the world's first massage chair that offers 3D Knee Technology. This unique feature blends air compression and heat therapy to massage your knees.

The air compression gently squeezes your knees, while the heat therapy provides soothing warmth.

Advanced Reflexology

The JPMedics Kumo boasts tri-action foot rollers that work in two ways. First, they roll in a shiatsu style, a Japanese technique known for relieving tension. Second, they combine this with an air pressure massage.

This powerful duo creates a deep tissue foot massage that can soothe tired, aching feet.

L-Track Design

The 44-inch L-Track design of the JPMedics Kumo is a standout feature. It offers an extra-long massage coverage that extends from the base of your skull to your glutes.

This means it can reach and massage more areas of your body compared to some other chairs.

L-Track Design

This feature ensures a more thorough and satisfying massage experience. Whether you're looking to unwind after a long day or need relief from aching muscles, the Kumo's L-Track design is there to provide the ultimate relaxation.

Chromotherapy with Bluetooth Speakers

The JPMedics Kumo massage chair brings a unique blend of chromotherapy and music therapy.

It has LED light therapy in seven modes that can brighten your mood, boost your metabolism, and help detoxify your body. Plus, it has built-in Bluetooth speakers.

You can easily connect your smartphone or other devices to play your favorite tunes. Listening to music while getting a massage can enhance your relaxation. It's like having a spa at home with both light and sound therapy.

Pros and Cons of JPMedics Kumo


  • L-Track
  • 4D Heated Rollers
  • Voice Activation
  • Back Scanning Sensor
  • Air Compression Massage
  • Heated Knees
  • Calf Therapy
  • Advanced Reflexology
  • 11 Auto Programs
  • Chromotherapy
  • Bluetooth Speakers
  • Space Saving
  • Smart Dial
  • Touch Screen Controller
  • Multi-Language Controller
  • User Height Range: 5'0" - 6'2"
  • Max. Weight Capacity: 265 lbs.


  • User cannot be taller than 6'2" or shorter than 5'0"
  • User cannot weigh more than 265 lbs.
  • Requires assembly
JPMedics Kumo massage chair

Top Features of Osaki OS Pro 4D Emperor

Advanced 4D Massage Technology

The Osaki OS Pro Emperor 4D massage chair boasts advanced 4D massage technology. This improved feature is designed to massage in a broader, deeper, and more precise manner than traditional massage rollers.

Plus, it offers eight levels of 4D intensity. This means you can adjust the strength of your massage to suit your needs, from a gentle rub to a deep tissue massage.

Advanced 4D Massage Technology

The Emperor 4D's advanced technology ensures you get a massage that is just right for you. It's like having a professional masseuse at your fingertips, ready to provide a personalized massage whenever you need one.

SL-Track for Comprehensive Coverage

The Osaki OS Pro 4D Emperor massage chair is equipped with an SL-Track system. This feature blends the benefits of S-Track and L-Track technology. The result? A massage that covers a larger area of your body.

SL-Track for Comprehensive Coverage

The S-Track follows the natural curve of your spine, while the L-Track extends the massage from your neck down to your glutes.

2 Stage Zero Gravity

The Osaki Emperor massage chair comes with a two-stage zero gravity feature. This means the chair can recline in two different ways to give you a feeling almost like floating in space.

2 Stage Zero Gravity

It helps to lower the stress on your spine and spread the weight and pressure evenly across your body.

USB & Wireless Phone Charger

The Osaki OS Pro 4D Emperor massage chair is smartly designed with a USB and wireless phone charger. This handy feature lets you power up your smartphone or other devices while you're enjoying your massage.

USB & Wireless Phone Charger

You can sit back, relax, and let the chair work its magic, without worrying about your phone battery running low.

Reflexology Foot Rollers

The spinning reflexology foot rollers found in the footrest of this chair can work wonders for tension relief.

They give a focused kneading massage, targeting key acupuncture points on your feet. This not only helps to ease stress but may also boosts circulation, which can refresh your whole body.

Pros and Cons of Osaki OS Pro 4D Emperor


  • Heated Back Roller Massage
  • 4D Massage
  • SL-Track
  • Computer Body Scan
  • Air Compression Massage
  • Zero Gravity Recline
  • Space Saving Technology
  • Touch Screen Controller
  • 8 Auto Massage Programs
  • USB & Wireless Phone Charger
  • Side Panel Controller
  • Adjustable Shoulder Massager
  • Calf Kneading Massage
  • Reflexology Foot Rollers
  • Automatic Extendable Footrest
  • Bluetooth Speakers
  • User Height Range: 4’9” - 6’4”
  • Max Weight Capacity: 260 lbs.


  • User cannot be taller than 6’4” or shorter than 4’9”
  • User cannot weigh more than 260 lbs.
  • Max. User Foot Size: US Men's Size 13

Similarities and Differences

The JPMedics Kumo and the Osaki OS Pro 4D Emperor are both high-end massage chairs that offer advanced massage technologies.

They both offer 4D Massage Technology, which provide deep and precise massages. They also both have heat therapy, offering a more soothing and relaxing experience.

However, there are some key differences between the two. The Kumo stands out with its tri-action foot rollers and chromotherapy LED light therapy in seven modes.

These features offer a more holistic approach to relaxation, targeting both physical and emotional well-being.

On the other hand, the Emperor boasts a two-stage zero gravity feature and a USB and wireless phone charger for added convenience. These make the massage experience more comfortable and convenient.

While both chairs offer excellent features for relaxation and comfort, the choice between the two ultimately depends on personal preferences and specific needs.

User Height Range and Max Weight Capacity

The JPMedics Kumo 4D massage chair is designed for users between 5'0" and 6'2" and can accommodate up to 265 lbs.

The Osaki OS Pro 4D Emperor massage chair can cater to a wider range of users, from 4’9” to 6’4”, but has a slightly lower weight capacity at 260 lbs.


In conclusion, both the JPMedics Kumo 4D and the Osaki OS Pro 4D Emperor massage chairs are top-notch products designed to provide a fantastic relaxation experience. Each chair offers unique features that cater to different needs and preferences.

The Kumo 4D, with its 3D Knee Technology, tri-action foot rollers, and chromotherapy LED light therapy, offers a holistic approach to relaxation.

Meanwhile, the Emperor 4D shines with its advanced 4D Massage Technology, two-stage zero gravity feature, and added convenience of a USB and wireless phone charger.

While both chairs offer excellent features for comfort and relaxation, the choice between the two ultimately depends on your personal needs and preferences. Consider the unique features of each chair and how they align with your relaxation goals.

If you've made it this far you're obviously interested, while you're here take a look at our black friday massage chair deals

Thank you for reading this massage chair comparison between the JPMedics Kumo and Osaki Emperor. We hope you found it useful and if you have any questions give us a call at 800-566-2798.

Previous article How Often Should You Get A Massage?


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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