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Infinity Circadian DualFlex 4D vs Osaki Hypnos 4D Pro AI vs Osaki OS-Pro 4D DuoMax SE

Side-by-side spec breakdown — track type, roller tech, heat, zero gravity, airbags, warranty, and expert scores.

Infinity Circadian DualFlex 4D

Infinity

Circadian DualFlex 4D

Osaki Hypnos 4D Pro AI

Osaki

Hypnos 4D Pro AI

Osaki OS-Pro 4D DuoMax SE

Osaki

OS-Pro 4D DuoMax SE

SpecValueValueValue
Track TypeJ-TrackSL-TrackSL-Track
Roller Tech4D4D4D
Zero Gravity3-stage3-stage3-stage
Heat Therapyfull-bodyfull-bodyfull-body
Airbags884838
Body ScanNoYesNo
Height Range5'4" – 6'0"N/A5'4" – 6'0"
Weight Capacity300 lbs270 lbs300 lbs
Techniquesshiatsu, kneading, tapping, rollingkneading, shiatsu, tapping, clapping, rolling, knockingshiatsu, kneading, tapping, rolling, scraping
Smart Featuresvoice-control, app-controlbluetooth, usb-chargingvoice-control, wireless-charging
Warranty5 Years3 Years3 Years

✓ indicates best value in that row

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Which should you buy?

Here's a quick breakdown of who each chair is best suited for, based on track type, price tier, and our editorial scores.

Luxury · 4.9/5

Infinity Circadian DualFlex 4D

J-Track

Best for

  • Dual Syner-D 4D mechanisms
  • Innovative Flex-Track design
  • 88 airbag system

Watch out for

  • ·Highest price in lineup
  • ·Requires professional setup
Full Infinity Circadian DualFlex 4D review →

Luxury · 4.7/5

Osaki Hypnos 4D Pro AI

SL-Track (neck to glutes)

Best for

  • AI body scanning
  • 20 auto programs including Thai Stretch
  • 48-cell full-body airbags

Watch out for

  • ·Premium price
  • ·270 lb weight limit
Full Osaki Hypnos 4D Pro AI review →

Luxury · 4.8/5

Osaki OS-Pro 4D DuoMax SE

SL-Track (neck to glutes)

Best for

  • Dual 4D+3D mechanism
  • 8-roller track system
  • 300 lbs weight capacity

Watch out for

  • ·Highest price point
  • ·Very complex operation
Full Osaki OS-Pro 4D DuoMax SE review →