Infinity Smart Chair X3 Massage Chair, black massage chair
Infinity Smart Chair X3 Massage Chair video
Infinity Smart Chair X3 Massage Chair, black massage chair with 'Infinity' branding
Infinity Smart Chair X3 Massage Chair, black massage chair
Infinity Smart Chair X3 Massage Chair, gray massage chair
Infinity Smart Chair X3 Massage Chair, person using a massage chair in a modern office setting with large windows
Infinity Smart Chair X3 Massage Chair, black massage chair in a modern office setting with yellow chairs and a wooden table
Infinity Smart Chair X3 Massage Chair, brown massage chair
Infinity Smart Chair X3 Massage Chair, brown massage chair
Infinity Smart Chair X3 Massage Chair, brown massage chair
Infinity Smart Chair X3 Massage Chair, brown massage chair
Infinity Smart Chair X3 Massage Chair, man relaxing in a massage chair with a cityscape view from a high-rise window
Infinity

Infinity Smart Chair X3 Massage Chair

MSRP$9,499.00 $6,799.00

HSA/FSA eligible — pay with pre-tax dollars.

6-Month Price Protection: if our price drops within 6 months, Black Friday included, we'll refund the difference. Details

Color Option: Black

In Stock.Free US shipping. Get it by Nov 8 – Nov 14.

Every chair we sell is on the floor in both showrooms (3,500–4,000 sq ft each), so you can try them all in one visit. Walk-ins welcome · Hours

Authorized Infinity DealerSold with the manufacturer's warranty

Buying from us

DeliveryFree US shipping with white-glove delivery

Free US shipping with white-glove delivery: in-home placement, assembly and packaging removal. Estimated delivery: Nov 8 – Nov 14. Delivery details

WarrantyManufacturer's warranty included

Manufacturer's warranty included; coverage varies by model. Warranty details

ReturnsOnline orders: 30-day returns

Online orders: 30-day returns with prior authorization; a 15% restocking fee and shipping costs apply to non-defect returns. Showroom purchases are final. Return policy

6-Month Price ProtectionBlack Friday included

If our price drops within 6 months, Black Friday included, we refund the difference. Details

FinancingPay over time with Affirm

Pay over time with Affirm: 6, 12 or 24 months, as low as 0% APR. Rates 0–36% APR, subject to an eligibility check. Financing details

Questions? Call or text (669) 214-8889, or chat with us.

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House of Massage Chairs · Infinity Smart Series

Infinity Smart Chair X3 4D Massage Chair

The Infinity Smart Chair X3 massage chair brings a 4D back mechanism, TrueFit body scanning, near-flat S-Track recline, triple foot rollers, lumbar heat, and app control — a smart feature set built around repeatable daily use.

User fit5'0″–6'4″ · up to 300 lb
DeliveryFree US shipping
Warranty5-year limited — see warranty details
White Glove DeliveryIncluded
Color OptionsBlack · Brown
Infinity Smart Chair X3 4D massage chair in Black

01 · In One Minute

A smarter chair without an inflated story.

In brief

The Infinity Smart Chair X3 massage chair pairs adjustable 4D massage with a near-flat S-Track, TrueFit body scanning, triple foot rollers, lumbar heat, nine auto programs, and remote or app control. Its strength is practical personalization without a huge control stack. If you want a touch tablet, voice control, more programs, or added foot heat, compare the Celebrity Elite 4D before deciding.

A

4D mechanism

Variable speed joins depth and directional movement for more adjustable roller feel.

B

TrueFit scan

Body scanning helps position the massage system before each session.

C

Stretch character

Near-flat S-Track recline gives the chair a stretch-focused character.

D

Foot coverage

Triple rollers under each foot give the lower body a clear role.

9Auto programs
74″Reclined length
286lbChair weight
300lbMax user weight
60–76″Optimal user height

02 · How the X3 Works

Five systems. One repeatable routine.

  • 01
  • 02
  • 03
  • 04
  • 05
Infinity Smart Chair X3 4D back massage and S-Track feature visual Infinity Smart Chair X3 TrueFit body scanning feature visual Infinity Smart Chair X3 stretch-focused recline feature visual Infinity Smart Chair X3 triple foot roller feature visual Infinity Smart Chair X3 lumbar heat feature visual

Fig. 01 — 4D Back Massage + S-Track

01

The Massage Core

4D changes speed as well as pressure.

The 4D back mechanism varies direction, depth, and movement speed, giving you more control over pressure and pace.

  • Mechanism3D/4D back massage
  • TrackNear-flat reclining S-Track

Why it mattersAdjustability matters more than the label: choose a pressure and pace you will reuse.

02

The Setup

The chair scans before you settle in.

TrueFit body scanning helps the rollers start from a more relevant position for the person seated.

  • SystemTrueFit body scanning
  • PurposeRoller positioning

Why it mattersThe scan helps positioning; shoulder contact and foot fit still need a real-world check.

03

The Stretch

Recline is part of the massage, not scenery.

Near-flat S-Track movement creates the X3's stretch character, while beyond-horizontal recline changes the resting position.

  • ReclineNear-flat + beyond horizontal
  • SupportWeightless zero gravity

Why it mattersThis is a comfort feature, not a spinal treatment; start gently if you prefer lighter stretch.

04

The Feet

Three rollers per foot earn their space.

Triple Roller Total Sole Reflexology uses three rollers under each foot for dedicated sole coverage.

  • Foot systemTriple rollers per foot
  • CoverageAcross the sole

Why it mattersFoot pressure is personal; sensitive users should test the lowest comfortable setting.

05

The Daily Layer

Warmth and controls keep repeat use simple.

Lumbar heat adds warmth, while the color remote, mobile app, Bluetooth, and nine auto programs keep repeat use simple.

  • HeatLumbar region
  • ControlsRemote + mobile app

Why it mattersThe useful smart layer is simple: scan, choose a program, adjust, and settle in.

03 · The Smart Layer

Smart means useful, not mysterious.

The X3's verifiable smart layer is concrete: TrueFit scanning, a color menu-driven remote, and Apple and Android app functionality. It should not be inflated into an AI diagnosis claim.

Nine presets and familiar controls reduce setup friction; the technology supports the massage instead of becoming the reason to buy it.

  • i.TrueFit body scanningStarting fit
  • ii.Color menu-driven remoteDirect control
  • iii.Apple + Android appPhone control
  • iv.9 auto programsRepeatable routines
  • v.Bluetooth + Rhythm SyncOptional audio layer
Infinity Smart Chair X3 in a modern interior while in use
Smart Chair X3 · Body scanning, app control, and repeatable programs

The Smart Chair X3 is a wellness and relaxation product.

04 · Fit & Personalization

The spec says fit. Your body confirms it.

Use the published fit window to screen the chair, then confirm shoulder contact, foot placement, and pressure in person when possible.

Compare this model in person →
01 — Height

Published range: 5'0″–6'4″.

Infinity lists 60–76 inches as the optimal height range; TrueFit helps position the rollers.

02 — Weight

Maximum user weight: 300 lb.

Infinity lists 300 lb as the maximum; confirm fit in person near either end of the height range.

03 — Seat

18″ hip width, 22″ shoulder width.

The manufacturer also lists a 15-inch seat depth; dimensions do not predict pressure preference.

04 — Shared use

Scan each person, then save the judgment.

Each regular user should test back pressure and the triple foot rollers independently.

05 · Feature Index

What changes the session.

013D/4D Back Massage Mechanism

Adds variable speed to direction and depth control.

02Near-Flat Reclining S-Track

Pairs the massage path with stretch-focused recline movement.

03TrueFit Body Scanning

Helps position the rollers for the person seated.

049 Auto Programs

Provides quick starting points for repeat sessions.

05Triple Foot Rollers

Uses three rollers under each foot for sole coverage.

06Lumbar Heat

Adds warming comfort at the lower back.

07Zero Gravity + Beyond-Horizontal Recline

Adds positional range for recline and stretch programs.

08Remote + Mobile App

Choose the color remote or Apple/Android app control.

09Bluetooth + Rhythm Sync

Lets audio sync with the massage when wanted.

10Color Ambient Lights

Adds ambient lighting around the chair.

06 · In Your Home

Plan for the chair at full recline.

74″

is the reclined length. The X3 is 59 inches long upright and 74 inches reclined, and Infinity's X3 brochure lists 14 inches of wall clearance behind the chair.

Overall size

Upright: 46″ H x 36″ W x 59″ L. Reclined: 36″ H x 36″ W x 74″ L.

Chair weight

286 lb. Measure the complete delivery route; 36 inches is chair width, not a packaged-doorway requirement.

Finishes

  • Black
  • Brown

Delivery setup

White Glove delivery is included with free US shipping; measure doorways, stairs, and turns before the delivery date.

Review online delivery and setup →

07 · Ownership

Resolve the terms before the chair ships.

Delivery

White Glove delivery is included.

Free US shipping, with the estimated delivery shown above. Timing varies by destination and carrier.

Shipping policy →

Warranty

Infinity Care 5-Year U.S. Residential Limited Warranty.

Infinity lists 5 years on the structural frame, no-cost replacement on covered parts for 3 years, and a 1-year Complete Care warranty period for covered parts and labor, in-home if necessary; see warranty details and ask us for the written coverage before you order. Your purchase is also covered by our 6-Month Price Protection, and you can pay with Affirm, as low as 0% APR, subject to eligibility.

Support

Use House of Massage Chairs for fit, delivery, and ownership questions.

Before ordering, verify access, availability, color, delivery setup, warranty, and service path. Walk-ins are welcome, no appointment needed; the X3 is on the floor in both our San Jose and Pleasanton showrooms.

The Smart Chair X3 supports relaxation and comfort as part of a home wellness routine. It is not a medical device and is not intended to diagnose, treat, cure, or prevent a condition.

08 · The Decision

A strong fit for some buyers. Not every buyer.

A strong fit if you…

  • Want 4D adjustability, TrueFit scanning, and app control in a simpler control stack.
  • Want stretch-focused near-flat and beyond-horizontal recline.
  • Want triple-roller foot coverage.
  • Fit the published 5'0″–6'4″ range and 300 lb maximum.
  • Prefer nine auto programs over a much larger library.

Consider another model if you…

  • Want touch-tablet control, voice control, more programs, or foot heat.
  • Need the chair closer to the wall than the 14 inches Infinity lists.
  • Will not use the X3's stretch, app, or foot systems.
  • Expect an AI assessment or medical treatment claim.
Compare with Celebrity Elite 4D →

Closest Alternative

The upgrade question is mostly about controls and feature depth.

The closest alternative is the Infinity Celebrity Elite 4D. Compare only the differences that change daily use.

Decision point Smart Chair X3 Celebrity Elite 4D
Programs 9 auto programs 24 auto programs plus MyMemory storage
Control stack Color menu-driven remote + Apple/Android app 8″ touch tablet + voice control + app + quick-access dial
Track and recline Near-flat reclining S-Track with stretch-focused movement L-Track with three zero-gravity levels and zero-wall space-saving positioning
Heat and feet Lumbar heat + triple foot rollers per foot Lumbar and foot heat + dual sole foot rollers
Fit window 5'0″–6'4″ (60–76″) · 300 lb max 60–74″ · 300 lb max
Body room 15″ seat depth · 18″ hips · 22″ shoulders 18″ seat depth · 20″ hips · 23.5″ shoulders
Room planning 36″ W · 74″ reclined · 14″ wall clearance · 286 lb 30.5″ W · 72″ reclined · 5″ rear wall clearance · 203 lb

Specification Index

Infinity Smart Chair X3 massage chair specifications.

Identity

BrandInfinity
ModelSmart Chair X3 4D Massage Chair
ColorsBlack · Brown

Massage system

Mechanism3D/4D back massage mechanism
TrackNear-flat reclining S-Track · 30″
Body scanTrueFit body scanning
TechniquesKneading · Tapping · Knocking · Shiatsu · Sync

Programs & comfort

Auto programs9
HeatLumbar heat
ReclineWeightless zero gravity · beyond-horizontal recline
StretchChair-movement + massage-technique stretch sequence
Lower bodyTriple foot rollers per foot

Controls & ambience

RemoteColor menu-driven remote
AppApple & Android functionality
AudioBluetooth speakers · Rhythm Sync massage
LightingColor ambient lights

Dimensions & fit

Upright46″ H x 36″ W x 59″ L
Reclined36″ H x 36″ W x 74″ L
Seat depth15″
Hip width18″
Shoulder width22″
Chair weight286 lb
Max user weight300 lb
Optimal user height5'0″–6'4″ (60–76″)
Wall clearance14″

Purchase

DeliveryFree US shipping · estimated delivery shown above
White gloveIncluded
WarrantyInfinity Care 5-Year U.S. Residential Limited Warranty — see warranty details
Warranty structure5 years structural frame · 3 years covered parts · 1 year covered labor, in-home if necessary

Wall clearance and S-Track length come from Infinity's Smart Chair X3 brochure.

Questions

Smart Chair X3 questions that affect the decision.

Where can I buy the Infinity Smart Chair X3 massage chair?+

At House of Massage Chairs, an authorized Infinity dealer. Order the Infinity Smart Chair X3 online with free US shipping and white-glove delivery and setup, or buy it at our San Jose (Westfield Oakridge) or Pleasanton (Stoneridge) showroom, where walk-ins are welcome. Call or text (669) 214-8889 with questions before you order the X3.

Can I try the Infinity Smart Chair X3 before buying?+

Yes. The Infinity Smart Chair X3 is on the floor in both our San Jose (Westfield Oakridge) and Pleasanton (Stoneridge) showrooms. Each is 3,500–4,000 sq ft and carries 45+ chairs, so you can compare everything in one visit without driving to another store, and walk-ins are welcome with no appointment needed. Test the S-Track stretch, foot-roller pressure, and shoulder contact.

What are the Infinity Smart Chair X3 dimensions and wall-clearance requirements?+

46″ H x 36″ W x 59″ L upright and 36″ H x 36″ W x 74″ L reclined. Infinity's brochure for the Infinity Smart Chair X3 lists 14 inches of wall clearance behind the chair. The chair weighs 286 lb, so measure doorways, hallways, stairs, and turns as well as the room before delivery.

What height and weight range does the Infinity Smart Chair X3 fit?+

5'0″ to 6'4″ (60–76 inches), with a 300 lb maximum user weight. The Infinity Smart Chair X3 lists a 15-inch seat depth, an 18-inch hip width, and a 22-inch shoulder width. TrueFit body scanning sets the starting roller position, but confirm shoulder contact and foot placement in person when possible.

What massage mechanism and track does the Infinity Smart Chair X3 use?+

A 3D/4D back mechanism on a near-flat reclining S-Track. The 4D system on the Infinity Smart Chair X3 varies speed along with direction and depth, and Infinity's brochure lists a 30-inch S-Track. Near-flat recline gives the chair its stretch-focused character, with kneading, tapping, knocking, shiatsu, and sync techniques.

Does the Infinity Smart Chair X3 have body scanning and app control?+

Yes. Infinity lists TrueFit body scanning, a color menu-driven remote, and Apple and Android app functionality for the Infinity Smart Chair X3. The body scan technology helps position the rollers before a session; it is not an AI diagnosis. Bluetooth speakers and Rhythm Sync add an optional audio layer.

Does the Infinity Smart Chair X3 massage the feet?+

Yes. Triple Roller Total Sole Reflexology puts three rollers under each foot of the Infinity Smart Chair X3. Infinity lists lumbar heat only on the X3, with no foot heat or calf kneading, so compare the Celebrity Elite 4D if foot heat matters. If your feet are sensitive, test the lowest comfortable setting.

Should I buy the Infinity Smart Chair X3 or the Celebrity Elite 4D?+

Choose the Infinity Smart Chair X3 for a taller fit window, up to 6'4″, the near-flat S-Track stretch, and triple foot rollers. Choose the Celebrity Elite 4D for a larger control and program stack, with 24 auto programs, an 8-inch touch tablet, voice control, and lumbar and foot heat, plus an 18-inch seat depth and 20-inch hip width versus 15 and 18 inches on the X3.

What warranty comes with the Infinity Smart Chair X3?+

5 years. The Infinity Smart Chair X3 comes with Infinity's 5-year U.S. residential limited warranty, and House of Massage Chairs is an authorized Infinity dealer. Infinity lists 5 years on the structural frame, no-cost replacement on covered parts for 3 years, and 1 year of Complete Care covered labor for this model, so ask us for the written coverage before you order. Your X3 purchase is also covered by our 6-Month Price Protection.

Is the Infinity Smart Chair X3 HSA/FSA eligible?+

Yes. The Infinity Smart Chair X3 is HSA/FSA eligible with a Letter of Medical Necessity (LMN). Our HSA/FSA massage chair guide explains how buying with HSA or FSA funds works, and you can call or text (669) 214-8889 with questions before you order the X3.

Before You Decide

Fit, foot pressure, and stretchare better judged in the chair.

Verify shoulder contact, foot pressure, recline comfort, controls, and fit in person when possible. Our San Jose and Pleasanton showrooms each carry 45+ chairs, the X3 included, so you can compare everything in one visit.

Walk-ins are welcome, no appointment needed. Call or text (669) 214-8889 with any questions before you visit.

Infinity Smart Chair X3 4D massage chair front view in Black

The Decision

Infinity Smart Chair X3.
Smart where it counts.

Choose the X3 for 4D adjustability, stretch-focused S-Track recline, TrueFit scanning, triple foot rollers, lumbar heat, and app control. Compare the Celebrity Elite 4D for a larger control and program stack.

X3Black · Brown · see current price above
Compare in person →

Infinity Smart Chair X3 4D Massage Chair · Sold by House of Massage Chairs, an authorized Infinity dealer. Free US shipping with white-glove delivery and setup. Infinity Care 5-Year U.S. Residential Limited Warranty — see warranty details. Wellness and relaxation use only.

Compare similar chairs

Same brand or a similar price. Crossed-out prices are the brand’s MSRP.

Try it before you buy. Every chair we sell is on the floor in both showrooms — San Jose (Westfield Oakridge) and Pleasanton (Stoneridge Mall). Walk-ins welcome, no appointment needed · Questions? Call or text (669) 214-8889.

Still deciding? How to choose a massage chair by budget · Massage chairs compared for comfort and fit

What showroom visitors say on Google

Google reviews of our San Jose and Pleasanton showrooms (store reviews, not reviews of this product), quoted as written.

5.0 on Google · San Jose showroom (175 reviews) 5.0 on Google · Pleasanton showroom (51 reviews)

    Quoted as written on Google, reviewer initials only. Ratings and review counts as of Oct 2026.