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Osaki OP-Kairos LT 4D Massage Chair

  • Intelligent Voice Control
  • Real-time Body Sensing 4D Mechanism
  • 4D Heated Roller Mechanism
  • Extended 54" SL Track
  • Touchscreen Remote Controller
  • 40 Cell Full Body Air Massage
  • 6 Heating Zones
  • 20 Automatic Massage Modes
  • 5 Manual Massage Styles
  • Deep Calf Kneading
  • Specialized 3 Foot and Calf Rollers
  • Automatic Footrest Extension
Original price $0.00 - Original price $0.00
Original price $0.00
$9,999.00
$9,999.00 - $10,249.00
Current Price $9,999.00
+ FREE SHIPPING
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Osaki OP-Kairos 4D LT Massage Chair

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Searching for a massage chair that intuitively adapts to your body and transforms your space into a sanctuary of relief and relaxation? The Osaki OP-Kairos 4D LT is engineered to deliver just that—through real-time body sensing, precision heat therapy, and a luxurious full-body massage that molds to you.

With a longer-than-average 54" track and multiple heating zones, the Kairos offers comfort for a wide range of users up to 6'3".

It’s more than a massage chair—it’s a daily wellness solution packed with 4D heated rollers, intelligent airbag compression, calf kneading, negative ion therapy, and voice-activated commands.

Whether you want deep recovery, stress relief, or complete relaxation, the Kairos delivers full-body therapy with a spa-like touch in the comfort of your own home.

OP-Kairos 4D LT Titan Massage Chair Features

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  • Real-Time Body Sensing with 4D Roller Mechanism: Pressure detection sensors customize your massage on the fly, adapting to your body’s contours and tension levels.
  • Heated 4D Massage Rollers: Dual heated rollers provide therapeutic warmth with deep-tissue relief from the neck to the glutes.
  • Extended 54" SL-Track: Covers more body area than most chairs—ideal for taller users needing extended massage coverage.
  • Three-Zone Foot & Calf Massage (3 Rollers per Leg): Combines 2 foot rollers and 1 calf roller per side for a full lower-body recovery experience.
  • Zero Gravity Recline + 1" Wall Clearance: NASA-inspired zero gravity positioning enhances relaxation while saving space.
  • 40 Air Cell Compression Massage: Strategically placed airbags target the shoulders, arms, calves, and feet with adjustable intensity.
  • 6-Zone Heat Therapy (Lumbar, Calves, Chest & Stomach): Deepen muscle relaxation with a wearable heating shawl plus lumbar and calf heat.
  • 20 Auto Massage Programs + 5 Manual Techniques: Choose from routines like Sports Recovery, Lady Mode, Yoga, Boss Mode, or create your custom massage.
  • Voice Control System: Operate the chair hands-free using preset commands for maximum ease of use.
  • Negative Ion Therapy: Built-in ionizer promotes relaxation and improves air quality while you unwind.
  • Touchscreen Controller + Shortcut Side Panel: Control every aspect of your massage with a modern touchscreen and a convenient armrest panel.
  • Bluetooth Speakers + Phone Charging Surface: Surround sound speakers and device charging keep you connected while you decompress.
  • Automatic Extendable Footrest (up to 8"): Adapts to different heights, extending to fit users up to 6’3” with optimal comfort.
  • LED Ambient Lighting: Adds soothing ambiance for a more immersive experience.
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OP-Kairos 4D LT Specifications

  • Power Supply: 110 – 120V / 50 – 60Hz
  • Upright Dimensions (W x L x H): 35.0" x 63.0" x 47.5"
  • Reclined Dimensions (W x L x H): 35.0" x 71.0" x 35.0"
  • Chair Weight: 256.0 lb
  • Shoulder Width: 21.0"
  • Seat Width: 20.0"
  • Minimum Doorway Width: 35.0" (Assembled), 30.0" (Disassembled)
  • Max User Weight Capacity: 280 lb

Package Dimensions & Weight

  • Box 1: 32.0" x 58.0" x 38.0" (309.0 lb)
  • Box 2: 16.7" x 39.9" x 24.4" (39.0 lb)

Warranty: 5 Year (3 Years Full Service & Additional 2 Years Parts)

Osaki OP-Kairos 4D LT User Manual

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Find it for less? We’ll beat it.

We offer a 100% Price Match Guarantee on all massage chairs. If you find the same model from an authorized dealer at a lower price, we’ll match it — and try to beat it.

  • Must be the same product, brand, and model
  • Retailer must be authorized and U.S.-based
  • Offer must include similar shipping/setup terms

Just send us the link before or within 7 days of your purchase. We’ve got your back.

Free shipping on every chair.

All massage chairs ship via freight delivery. Transit times are typically 3–7 business days after processing.

Want help bringing it inside?
Ask about White-Glove Delivery — our pros will place it in your room of choice, set it up, and remove the packaging. Just select the option at checkout or request a quote.

100% risk-free shopping experience.

If your chair isn’t a fit or arrives damaged, we’ll take care of it with free returns and no restocking fees.

  • Must be unused and in original packaging
  • Contact us within 30 days of delivery
  • We’ll send return instructions and a prepaid label

Shop confidently — we’ve got your back.

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Find the perfect massage chair for your space, needs, and budget—without compromising on quality.
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Competitive Prices, Unmatched Value
We offer top-tier massage chairs at the best prices possible—plus financing options to fit your budget.
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Fast, hassle-free delivery with minimal assembly required—relax in no time.

Massage Chair FAQs

General Questions
Where should I put my massage chair? +
Massage chairs work best in living rooms, bedrooms, offices, or dedicated relaxation spaces. Many models feature zero-clearance reclining, meaning they can be placed just a few inches from a wall. Always check the product dimensions and clearance requirements before placing your chair.
Is there a maximum or minimum height requirement? +
Most massage chairs comfortably fit users between 5’0” and 6’4”, but it varies by model. Some premium chairs accommodate taller users, while compact models work best for shorter individuals. Always check the recommended height range on the product page.
Is there a max user weight? +
Most massage chairs support 250 to 330 lbs. Heavy-duty models can support up to 400+ lbs. Be sure to check the weight capacity on the product page to ensure the best fit.
How strong does the massage pressure go? +
Massage pressure varies by chair and can be adjusted to suit your comfort level.
- 2D Chairs: Moderate intensity (surface-level massage).
- 3D Chairs: Deeper tissue massage (adjustable depth).
- 4D Chairs: Most advanced—variable speed & depth for a lifelike massage.
What does zero gravity mean? +
Zero Gravity reclines the chair into a weightless position, reducing spinal pressure and enhancing the massage. Inspired by NASA, this position helps improve circulation and relieve tension.
Delivery & Setup
Can I move the chair once I get it in place? +
Massage chairs are heavy (some over 250 lbs), but most models include rear wheels for easier repositioning once set up.
Is assembly required? +
Most massage chairs arrive partially assembled. Typical setup involves attaching the footrest, side panels, and armrests—a simple process that usually takes 30-60 minutes. Some chairs arrive fully assembled.
How does it come delivered? +
- Standard Delivery: The chair arrives in a large box (or multiple boxes) and is delivered curbside.
- White-Glove Delivery: The chair is brought inside, assembled, and packaging is removed (available for an additional fee).
How much does a massage chair weigh? +
Massage chairs typically weigh between 150 to 300 lbs, depending on the model and features.
Safety & Performance
Are massage chairs safe? +
Yes, massage chairs are designed for safety, but users with certain medical conditions (such as pacemakers, recent surgeries, or pregnancy) should consult a doctor before use.
Do massage chairs help with recovery? +
Massage chairs can assist with muscle recovery, circulation, and relaxation by increasing blood flow and reducing muscle stiffness. While they’re not a medical treatment, many people use them for post-workout relief, back pain, and stress reduction.
What if I don’t like how my massage chair feels? +
Most massage chairs offer adjustable intensity and settings to customize your experience. If the chair feels too strong or too weak, adjust the air compression, roller depth, or recline position for a better fit.
How long does a massage chair last? +
High-quality massage chairs typically last 10+ years with proper care. Regular maintenance, such as keeping it clean and avoiding excessive weight beyond capacity, can extend its lifespan.
Does it plug into a normal wall outlet? +
Yes! Most massage chairs plug into a standard 110V household outlet. High-end commercial models may require a dedicated 220V circuit (check product details).
Need Some Help?

When You Work With Our Massage Chair Specialist, You Get:

  • Expert Guidance on Choosing the Right Massage Chair
  • Massage Chair Features & Sizing Assistance
  • Private Access to Exclusive Deals & Promotions
  • Delivery & White-Glove Assembly Support
  • Dedicated Account Representative for Personalized Support

A knowledgeable massage chair specialist will contact you to help you choose the perfect chair for your needs.

“From the first consultation to delivery, Select Fitness made buying my massage chair a seamless experience. The team answered all my questions, and now I get to enjoy the best part of my day—relaxing in my chair after work.”

- Liz E., 11/24
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