Adaptive 5D + 4D

Osaki Ai Apex Duo

Advanced massage that responds to you.

The Ai Apex Duo combines dual 5D+4D mechanisms with smart pressure sensors, live body scanning, 62-cell air massage, triple-zone heat, deep calf kneading and 46 automatic programs.

$12,999

Explore the technology →Fit & dimensions →

5-year manufacturer warranty included

Years 1–3: covered parts and labor. Years 4–5: covered parts. Manufacturer exclusions apply.

View coverage and warranty terms →

WHAT MAKES THE APEX DUO DIFFERENT

19 technologies. One complete experience.

Explore the technology behind the comfort. Each feature is explained in more detail below.

01AI Health Detection
02Smart Pressure Sensors
03Live Time Body Scan
04Dual 5D+4D Massage Mechanism
05SL-Track
06Easy Entry — Sliding Door System
07Micro-Space Saving Technology
088" Touchscreen Controller
09Intelligent Voice Control
1046 Auto Massage Programs
113 Stage Zero Gravity Recline
1262-Cell Full Body Air Massage
133-Segment Armrest Airbags
14Triple Heating Zone
15Deep Calf Kneading
16Automatic Foot Extension
17Aromatherapy
18Negative Ionizer
19Chromotherapy LED

See how it all works

SEE IT IN ACTION

A closer look at the Apex Duo.

Watch the chair move, recline and work through its massage systems before exploring the details below.

YOUR PLACE TO COMPLETELY UNWIND

Imagine coming home to this.

A place where you can sit down, close the door on the day and let everything else wait for a while.

The Apex Duo is designed to turn that moment into something extraordinary — surrounding your body with massage, warmth and comfort while automatically adapting the experience to you.

No appointments. No driving anywhere. No need to figure out complicated settings before you can relax.

Just settle in and let the chair do the work.

Whether you want to unwind after a long day, enjoy a deeper full-body massage or simply take some time for yourself, the Apex Duo brings that experience into your own home — ready whenever you are.

HOW IT COMES TOGETHER

How does the Apex Duo create that experience?

This is where the technology comes in.

Apex Duo AI health detection interface showing heart rate, blood oxygen, fatigue and microcirculation

AI HEALTH DETECTION · SMART PRESSURE SENSORS · LIVE TIME BODY SCAN

A massage that starts by understanding you.

The Apex Duo combines health detection, real-time body scanning and pressure sensing to gather information before and during the session. Osaki describes the health system as monitoring heart rate, blood oxygen, microcirculation and fatigue, while the pressure and body-scan systems help the massage mechanisms respond to your position and pressure profile.

Why it mattersInstead of treating every person exactly the same, the chair has information it can use to make the session feel more individually matched.

Apex Duo dual 5D and 4D massage mechanism

DUAL 5D+4D MASSAGE MECHANISM

Two massage systems working together.

Rather than asking one roller mechanism to handle the entire massage path, the Apex Duo uses an upper 5D mechanism together with a second 4D mechanism. The systems can work across different areas during the same session, adding another level of movement, depth and coverage.

Why it mattersYou get a more layered mechanical massage, with two systems sharing the work instead of one mechanism doing everything.

SL-TRACK

Massage that follows the shape of your body.

The SL-Track follows the curve of the spine and continues beneath the seat toward the glutes and hamstrings. That gives the roller mechanisms a longer path than a conventional back-only track.

Why it mattersThe mechanical massage can continue beyond the lower back, helping create a more complete upper-to-lower-body experience.

EASY ENTRY – SLIDING DOOR SYSTEM · MICRO-SPACE SAVING TECHNOLOGY

A large chair designed to be easier to live with.

At the touch of a control, the side panels open to create a wider, more natural way into the chair. The space-saving reclining design also reduces the clearance required behind the chair as it moves.

Why it mattersPremium size and technology do not have to make the chair awkward to enter or unnecessarily difficult to place in your home.

8" TOUCHSCREEN CONTROLLER · INTELLIGENT VOICE CONTROL

Advanced when you want control. Simple when you do not.

The 8-inch touchscreen puts the chair's programs and settings in one place, while preset voice commands give you hands-free access to selected functions. You can make the experience as simple or as hands-on as you want.

Why it mattersYou can settle in and start quickly without giving up direct control when you want to fine-tune the chair.

Man selecting an automatic massage program on the Apex Duo touchscreen

46 AUTO MASSAGE PROGRAMS

Choose your massage.
Let the chair do the rest.

Choose from 46 guided programs organized by goal, body area and massage style. Select one, and the Apex Duo coordinates the settings for you.

FULL BODY

Quick Demo · Unwind · Recovery · Stretch · Gentle · Meditation · Synchronized

FOCUSED

Neck & Shoulder · Office Relief · Recharge · Upper Body · Lower Body · Sport Recovery · Fatigue Relief · Lower Body Relax

CALMING MASSAGES

Relax · Vitality · Morning Care · Midday Care · Night Care

POINT MASSAGE

Back · Neck Stretch · Spinal Care · Waist & Glutes · Leg & Foot

INTERNATIONAL

Hong Kong Style · Thai Stretch · Korean Style · Japanese Shiatsu · Swedish

PERSONALIZED

Beach · Spring Forest · Calm Zen · Afternoon Garden · Tea House · Mobility

HEALING

Upper Back · Circulation · Rejuvenation · Revitalize · Mobility

QUICK-START PROGRAMS

Traditional Chinese Medicine Wellness · Pain Relief · Muscle Relaxation · Quick Relaxation · Health Maintenance

Why it mattersYou do not need to build a massage one setting at a time. The program library gives you a quick start for different moods, body areas and sessions.

5 MANUAL MASSAGE MODES

Build the massage around what you want.

When you want more control, Manual Massage lets you move beyond the preset programs and adjust the session yourself.

KneadingTappingPattingAcupressureKnead-Tap

You can also choose Full Body, Local or Targeted massage and fine-tune settings including air-pressure areas and intensity, mechanism speed and width, foot and leg rollers, and the upper and lower massage mechanisms.

Why it mattersAutomatic programs make the chair easy to use. Manual Massage gives you the other side of the Apex Duo — the ability to shape a session around the area, technique and intensity you want.

Apex Duo three stage Zero Gravity recline

3 STAGE ZERO GRAVITY RECLINE

Find the position where your body can let go.

Three Zero Gravity stages give you different reclining positions so you can choose how deeply you want to settle back into the chair while the massage systems work around you.

Why it mattersYour position is part of the experience. The right recline can make the chair feel less like equipment and more like a place to completely unwind.

Apex Duo 62-cell full body air massage and three-segment armrest airbags

62-CELL FULL BODY AIR MASSAGE · 3-SEGMENT ARMREST AIRBAGS

Massage beyond the rollers.

Sixty-two air cells add progressive compression around the body, including segmented air massage around the arms and palms. That allows the chair to involve areas the main roller path cannot directly reach.

Why it mattersMore of your body can be involved in the session at the same time, creating a fuller and more enveloping massage experience.

TRIPLE HEATING ZONE

Warmth becomes part of the massage.

Targeted heating in the lumbar area, calves and feet works alongside the rollers, air compression and lower-body massage systems. The heat is not a separate extra — it becomes another layer of the overall experience.

Why it mattersWarmth in several areas can make the time in the chair feel more comfortable, immersive and inviting.

DEEP CALF KNEADING

More than simple calf compression.

The Apex Duo combines rotating outer-calf kneading with 8 airbags and 2 rollers built into the calf rest. Together, they surround and work the lower legs for a deeper, more complete calf massage.

Why it mattersInstead of relying on air pressure alone, the chair combines compression, rotation and roller movement to give your calves more focused attention.

Apex Duo foot rollers and airbag massage system

4 FOOT ROLLERS · 16 AIRBAGS

Focused massage from heel to toe.

The Apex Duo combines 4 foot rollers with 16 airbags to work around the sides, soles and backs of the feet, while also giving focused attention around the Achilles tendon.

Why it mattersRoller movement and surrounding air compression work together to give your feet a more complete massage instead of focusing on the soles alone.

AUTOMATIC FOOT EXTENSION

More room to get comfortable.

The Apex Duo’s legrest extends up to 7 inches, creating extra room for longer legs and comfortably accommodating users up to 6'3" tall.

Why it mattersThe adjustable legrest helps the chair fit a wider range of body heights while keeping the lower body comfortably positioned for the massage.

QUICK SIDE CONTROL PANELS

Your most-used controls within easy reach.

The quick side control panel gives you convenient access to key massage adjustments without needing to work through the touchscreen for every change.

BLUETOOTH SPEAKERS

Bring your favorite audio into the experience.

Built-in Bluetooth speakers let you listen to music, podcasts or other favorite audio while you relax, making the chair feel even more like your own place to unwind.

8" TOUCHSCREEN CONTROLLER

Everything in one clear interface.

The 8-inch touchscreen brings massage programs, settings and health insights such as heart rate and blood oxygen into one place, with Wi-Fi updates helping keep the system current.

WIRELESS CHARGER & USB PORT

Keep your devices powered while you unwind.

A built-in wireless charging pad and USB port make it easy to keep compatible devices powered without leaving the chair.

BEFORE DELIVERY

Make sure the Apex Duo fits your home.

A few measurements before delivery can make the path into your room much easier to plan.

MINIMUM DOORWAY

Measure the narrowest point before delivery.

Use the smallest clear opening along the delivery path so you know the chair can move through the doorway comfortably.

Measuring guide

Measure the narrowest inside width of the door frame, then allow about 1 inch of clearance in total — approximately 1/2 inch on each side.
Use a standard measuring tape and measure the actual clear opening, not the outside dimensions of the frame.
If the door cannot open fully, open it as far as possible and measure from the edge of the door or hinge to the opposite side of the opening.
If trim, a rounded wall or another feature projects into the opening, measure from the point that extends furthest into the delivery path.

Chair width: 33.5" assembled · 30" disassembled

DIMENSIONS

Know the space the chair needs.

Check both the chair’s upright footprint and its fully reclined length when planning where the Apex Duo will live.

Apex Duo front dimensions showing chair width shoulder width seat width and disassembled width

Apex Duo side dimensions showing standing and reclined length and height

Specifications

Fit & dimensions

Upright dimensions: 33.5" W × 65.7" L × 48.5" H
Reclined dimensions: 33.5" W × 70.9" L × 34.6" H
Chair weight: 332.3 lb
Shoulder width: 24.5"
Seat width: 21"
Minimum door width: 30" disassembled
Maximum user weight: 280 lb
User manual: View / Download User Manual →

Power & delivery planning

Before it arrives

Power requirements: Confirm on model label/manual
Delivery path: Measure doors, halls and turns
Final placement: Allow room for recline and service access

Delivery, installation and warranty terms are determined by Relax And Feel Good store policy. We do not copy another retailer's delivery promises.

Before you decide

Understand what you are buying.

What does Duo mean?

Duo means the chair has two separate massage mechanisms. They can work on different areas at the same time: typically one massages the back while the other targets the glutes and upper thighs. The combination varies by model, such as 4D + 3D or 5D + 4D.

What does 5D + 4D mean on this chair?

Massage-chair “5D” is not a universal industry standard. On these Osaki models it refers to a more adaptive, pressure-responsive mechanism paired with a second 4D system.

What is an SL-Track?

An SL-Track follows the natural curve of the spine and extends beneath the seat toward the glutes. Flexible versions can articulate as the chair changes position.

What are air cells?

Air cells are inflatable chambers that apply controlled compression around areas the rollers cannot directly reach. Placement and programming matter as much as the raw number of cells.

Free White Glove delivery included

Free White Glove delivery is included with our Osaki and Titan massage chairs and HomeRoots massage recliners and recliners within the contiguous United States (the lower 48 states). The service is included automatically; no separate upgrade or request is needed.

The delivery team brings your product inside, places it in your chosen room, unpacks it, and completes assembly and basic setup. Delivery via stairs or an elevator is included when the route is accessible and safe. Keep all original boxes and packing materials for at least 30 calendar days after delivery in case you decide to return the product. Original packaging is required for change-of-mind returns. Ask the White Glove delivery team to leave the packaging with you.

The customer is responsible for ensuring a clear, unobstructed delivery path with sufficient space to move the product safely to the chosen room. Before delivery, measure all doorways, hallways, tight turns, stairways and elevators along the route, and remove any obstacles. Notify us before delivery of any access limitations.

Shipping & Delivery

Orders are processed within 1–2 business days. This refers to dispatch, not arrival.

Massage chairs, massage recliners and recliners can be delivered only within the contiguous United States (the lower 48 states). We do not ship to Alaska, Hawaii, Puerto Rico, Canada or any other international destination.

Estimated total delivery time is 6–12 business days. This includes 1–2 business days for order processing and an estimated 5–10 business days in transit after dispatch. Delivery dates are estimates and are not guaranteed.

Massage chairs ship from Texas. All transit times are estimates. We cannot guarantee a specific delivery date or delivery timeframe.

If you need your chair by a particular date, please order well in advance and contact us before placing your order. We’ll help coordinate delivery around your plans, but arrival by your requested date cannot be guaranteed.

Read Shipping & Delivery →

Returns

Contact us within 30 calendar days of delivery to request a return or exchange. Written authorization and return instructions are required before shipping. The 30-day deadline is for your request; your approved shipping deadline is provided afterward.

For change-of-mind returns, you pay original outbound delivery costs and return shipping, even if your order shipped free. Any applicable restocking fees or other return charges are explained before you approve the return arrangements. Damage and defects are handled separately.

Keep all original boxes and packing materials for at least 30 calendar days after delivery in case you decide to return the product. Original packaging is required for change-of-mind returns. Ask the White Glove delivery team to leave the packaging with you. Returns must be in new, resellable condition with manuals and accessories. Approved refunds go to your original payment method after inspection, less applicable charges disclosed to you.

Read our return policy →

Warranty information