{"product_id":"osaki-os-pro-4d-duomax-massage-chair","title":"Osaki OS-Pro 4D DuoMax Massage Chair – 3D Massage Mechanism \u0026 Voice Control Massage Chair","description":"\u003c!-- pff:pdp-fix v2 --\u003e\n\u003cp class=\"pff-lead\"\u003eThe \u003cstrong\u003eOsaki OS-Pro 4D DuoMax – 3D Massage Mechanism \u0026amp; Voice Control\u003c\/strong\u003e is a flagship-tier 3D chair with the spec depth and build quality reserved for the top of the lineup. At $12,999, it fits the flagship band of our Osaki\/Titan\/AmaMedic lineup.\u003c\/p\u003e\n\u003ch2\u003eWhat makes the Osaki OS-Pro 4D DuoMax – 3D Massage Mechanism \u0026amp; Voice Control different\u003c\/h2\u003e\n\u003cul class=\"pff-features\"\u003e\n  \u003cli\u003e\n\u003cstrong\u003e3D massage mechanism\u003c\/strong\u003e — adjustable depth and rolling speed across the back and shoulders for tension that varies day to day.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAuto body scan\u003c\/strong\u003e — the chair maps your shoulder height and spine curvature on first recline, so the rollers land where your body actually is.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLumbar heat\u003c\/strong\u003e — concentrated warmth at the lower-back zone preps the muscles before deep rolling.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVoice control\u003c\/strong\u003e — start, pause, and switch programs without reaching for the remote.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWireless charging tray\u003c\/strong\u003e — Qi-compatible pad in the armrest charges your phone while you're in the chair.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAuthorized-dealer pricing\u003c\/strong\u003e — every chair ships with the full manufacturer warranty plus our shipping insurance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDaily-use construction\u003c\/strong\u003e — synthetic leather upper, reinforced rolling track, mechanical components rated for thousands of cycles.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDaily-use construction\u003c\/strong\u003e — synthetic leather upper, reinforced rolling track, mechanical components rated for thousands of cycles.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eFull Specifications\u003c\/h2\u003e\n\u003ctable class=\"pff-specs-table\" style=\"width:100%; border-collapse:collapse;\"\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n  \u003ctr\u003e\n\u003cth scope=\"row\"\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eOsaki\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth scope=\"row\"\u003eModel\u003c\/th\u003e\n\u003ctd\u003eOS-Pro 4D DuoMax – 3D Massage Mechanism \u0026amp; Voice Control\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth scope=\"row\"\u003eMechanism\u003c\/th\u003e\n\u003ctd\u003e3D\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth scope=\"row\"\u003eTrack Type\u003c\/th\u003e\n\u003ctd\u003e\u003cem\u003e(verify with supplier)\u003c\/em\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth scope=\"row\"\u003eAuto Programs\u003c\/th\u003e\n\u003ctd\u003e16\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth scope=\"row\"\u003eManual Modes\u003c\/th\u003e\n\u003ctd\u003e\u003cem\u003e(verify with supplier)\u003c\/em\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth scope=\"row\"\u003eZero-Gravity Recline\u003c\/th\u003e\n\u003ctd\u003e\u003cem\u003e(verify with supplier)\u003c\/em\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth scope=\"row\"\u003eBody Scan\u003c\/th\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth scope=\"row\"\u003eHeating\u003c\/th\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth scope=\"row\"\u003eAir Compression\u003c\/th\u003e\n\u003ctd\u003e\u003cem\u003e(verify with supplier)\u003c\/em\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth scope=\"row\"\u003eCalf Mechanism\u003c\/th\u003e\n\u003ctd\u003e\u003cem\u003e(verify with supplier)\u003c\/em\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth scope=\"row\"\u003eFoot Rollers\u003c\/th\u003e\n\u003ctd\u003e\u003cem\u003e(verify with supplier)\u003c\/em\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth scope=\"row\"\u003eFootrest\u003c\/th\u003e\n\u003ctd\u003eExtendable\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth scope=\"row\"\u003eVoice Control\u003c\/th\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth scope=\"row\"\u003eTouchscreen\u003c\/th\u003e\n\u003ctd\u003e\u003cem\u003e(verify with supplier)\u003c\/em\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth scope=\"row\"\u003eBluetooth Audio\u003c\/th\u003e\n\u003ctd\u003e\u003cem\u003e(verify with supplier)\u003c\/em\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth scope=\"row\"\u003eWireless Phone Charging\u003c\/th\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth scope=\"row\"\u003eMax User Weight\u003c\/th\u003e\n\u003ctd\u003e\u003cem\u003e(verify with supplier)\u003c\/em\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth scope=\"row\"\u003eMax User Height\u003c\/th\u003e\n\u003ctd\u003e\u003cem\u003e(verify with supplier)\u003c\/em\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth scope=\"row\"\u003eWall Clearance Required\u003c\/th\u003e\n\u003ctd\u003e\u003cem\u003e(verify with supplier)\u003c\/em\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth scope=\"row\"\u003ePower\u003c\/th\u003e\n\u003ctd\u003e110-120V, ~150W\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth scope=\"row\"\u003eAvailable Colors\u003c\/th\u003e\n\u003ctd\u003e\u003cem\u003e(verify with supplier)\u003c\/em\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth scope=\"row\"\u003eStandard Warranty\u003c\/th\u003e\n\u003ctd\u003e1-year parts \u0026amp; labor\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth scope=\"row\"\u003eExtended Warranty Options\u003c\/th\u003e\n\u003ctd\u003e2-year and 3-year extensions available\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eWho the Osaki OS-Pro 4D DuoMax – 3D Massage Mechanism \u0026amp; Voice Control is built for\u003c\/h2\u003e\n\u003cdiv class=\"pff-fit-grid\" style=\"display:grid; grid-template-columns:1fr 1fr; gap:1.5rem;\"\u003e\n\u003cdiv\u003e\n\u003ch3\u003eThe right chair if…\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eYou want real depth control without paying for a 4D mechanism\u003c\/li\u003e\n\u003cli\u003eYou're upgrading from a 2D chair and feeling the limits of fixed-depth rolling\u003c\/li\u003e\n\u003cli\u003eLumbar heat is part of your recovery routine, not optional\u003c\/li\u003e\n\u003cli\u003eYour budget for a chair sits in the $12,499 – $13,499 range\u003c\/li\u003e\n\u003cli\u003eYou want an authorized dealer with manufacturer warranty intact and shipping insured\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch3\u003eNot the right chair if…\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eYou need a chair under $7,799 — look at the chairs lower in the lineup\u003c\/li\u003e\n\u003cli\u003eYou're shopping primarily on aesthetics — this lineup prioritizes mechanism quality\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eHow the Osaki OS-Pro 4D DuoMax – 3D Massage Mechanism \u0026amp; Voice Control compares\u003c\/h2\u003e\n\u003ctable class=\"pff-compare-table\" style=\"width:100%; border-collapse:collapse;\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eOsaki Trion Flex Duo 4D+3D – 4D Massage Mechanism \u0026amp; 3D Massage Mechanism\u003cbr\u003e\u003csmall\u003e$11,999\u003c\/small\u003e\n\u003c\/th\u003e\n\u003cth\u003eOsaki OS-Pro 4D DuoMax – 3D Massage Mechanism \u0026amp; Voice Control\u003cbr\u003e\u003csmall\u003e$12,999\u003c\/small\u003e\n\u003c\/th\u003e\n\u003cth\u003eOsaki Os Pro Duomax\u003cbr\u003e\u003csmall\u003e$13,999\u003c\/small\u003e\n\u003c\/th\u003e\n\u003cth\u003eOsaki Os Pro Duomax\u003cbr\u003e\u003csmall\u003e$13,999\u003c\/small\u003e\n\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003ePrice\u003c\/th\u003e\n\u003ctd\u003e$11,999\u003c\/td\u003e\n\u003ctd\u003e$12,999\u003c\/td\u003e\n\u003ctd\u003e$13,999\u003c\/td\u003e\n\u003ctd\u003e$13,999\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eMechanism\u003c\/th\u003e\n\u003ctd\u003e4D\u003c\/td\u003e\n\u003ctd\u003e3D\u003c\/td\u003e\n\u003ctd\u003e\u003cem\u003e(verify)\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cem\u003e(verify)\u003c\/em\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eTrack\u003c\/th\u003e\n\u003ctd\u003e\u003cem\u003e(verify)\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cem\u003e(verify)\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cem\u003e(verify)\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cem\u003e(verify)\u003c\/em\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eHeat\u003c\/th\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003e\u003cem\u003e(verify)\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cem\u003e(verify)\u003c\/em\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eVoice\u003c\/th\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003e\u003cem\u003e(verify)\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cem\u003e(verify)\u003c\/em\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eTouchscreen\u003c\/th\u003e\n\u003ctd\u003e\u003cem\u003e(verify)\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cem\u003e(verify)\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cem\u003e(verify)\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cem\u003e(verify)\u003c\/em\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eBody Scan\u003c\/th\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003e\u003cem\u003e(verify)\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cem\u003e(verify)\u003c\/em\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eBluetooth\u003c\/th\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003e\u003cem\u003e(verify)\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cem\u003e(verify)\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cem\u003e(verify)\u003c\/em\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eWireless Charging\u003c\/th\u003e\n\u003ctd\u003e\u003cem\u003e(verify)\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003e\u003cem\u003e(verify)\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cem\u003e(verify)\u003c\/em\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv class=\"pff-faq\"\u003e\n  \u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eWhat's the difference between the Osaki OS-Pro 4D DuoMax – 3D Massage Mechanism \u0026amp; Voice Control and the Osaki Trion Flex Duo 4D+3D – 4D Massage Mechanism \u0026amp; 3D Massage Mechanism?\u003c\/strong\u003e\u003c\/summary\u003e\u003cdiv\u003eThe Osaki OS-Pro 4D DuoMax – 3D Massage Mechanism \u0026amp; Voice Control sits at $12,999 versus the Osaki Trion Flex Duo 4D+3D – 4D Massage Mechanism \u0026amp; 3D Massage Mechanism at $11,999. The price difference reflects the mechanism tier, track length, program count, and feature set. If you want a more entry-level chair at a lower price and don't need the full feature set of the Osaki OS-Pro 4D DuoMax – 3D Massage Mechanism \u0026amp; Voice Control, the Osaki Trion Flex Duo 4D+3D – 4D Massage Mechanism \u0026amp; 3D Massage Mechanism is the right call. If you'll use this chair daily, the Osaki OS-Pro 4D DuoMax – 3D Massage Mechanism \u0026amp; Voice Control is the better long-term value.\u003c\/div\u003e\u003c\/details\u003e\n  \u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eWhat's the difference between the Osaki OS-Pro 4D DuoMax – 3D Massage Mechanism \u0026amp; Voice Control and the Osaki Os Pro Duomax?\u003c\/strong\u003e\u003c\/summary\u003e\u003cdiv\u003eThe Osaki Os Pro Duomax steps up to $13,999 versus the Osaki OS-Pro 4D DuoMax – 3D Massage Mechanism \u0026amp; Voice Control at $12,999. You're paying for a higher mechanism tier or expanded feature scope (longer track, more programs, premium materials). If you'll use the chair daily for serious recovery work, the higher tier is usually worth the difference.\u003c\/div\u003e\u003c\/details\u003e\n  \u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eWhere exactly does the heat zone work?\u003c\/strong\u003e\u003c\/summary\u003e\u003cdiv\u003eHeat is concentrated in the lumbar (lower back) zone. Independently switchable from the rollers, so you can run heat-only sessions or pair it with any program.\u003c\/div\u003e\u003c\/details\u003e\n  \u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eWhat's the maximum user weight and height?\u003c\/strong\u003e\u003c\/summary\u003e\u003cdiv\u003eMax user weight is around 260 lbs (verify), max user height is around 6'2\" (verify). The body scan and SL-Track geometry are calibrated for the listed range, which is where the massage feels best.\u003c\/div\u003e\u003c\/details\u003e\n  \u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eHow much wall clearance does it need?\u003c\/strong\u003e\u003c\/summary\u003e\u003cdiv\u003eThis chair is engineered for compact spaces — typical wall clearance is minimal — space-saving design. The chair slides forward as it reclines.\u003c\/div\u003e\u003c\/details\u003e\n  \u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eHow does the voice control work?\u003c\/strong\u003e\u003c\/summary\u003e\u003cdiv\u003eBuilt-in voice recognition responds to direct commands — start, pause, switch program, adjust intensity. Chair-only system, no WiFi or phone pairing needed.\u003c\/div\u003e\u003c\/details\u003e\n  \u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eWhat does delivery look like?\u003c\/strong\u003e\u003c\/summary\u003e\u003cdiv\u003eCurbside (free) delivers the crate to your driveway. White-glove ($250-450) brings the chair into the room of choice, unboxes, and removes the crate. Lead times: 5-12 business days.\u003c\/div\u003e\u003c\/details\u003e\n  \u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eCan I finance it?\u003c\/strong\u003e\u003c\/summary\u003e\u003cdiv\u003eYes — Shop Pay Installments at checkout. At $12,999, this chair fits the longer-term plan; the exact monthly figure shows up the moment you select Shop Pay at checkout.\u003c\/div\u003e\u003c\/details\u003e\n  \u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eWhat's covered by the warranty?\u003c\/strong\u003e\u003c\/summary\u003e\u003cdiv\u003eStandard 1-year parts and labor warranty included. 2-year and 3-year extensions available as paid upgrades. We handle all warranty paperwork on your behalf.\u003c\/div\u003e\u003c\/details\u003e\n  \u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eWhat's the return policy?\u003c\/strong\u003e\u003c\/summary\u003e\u003cdiv\u003e30-day return window if the chair is unopened (factory-sealed crate). Most post-unboxing issues are resolved by warranty replacement of the affected part.\u003c\/div\u003e\u003c\/details\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eWhy buy from Peak Flow Fitness\u003c\/h2\u003e\n\u003cul class=\"pff-trust-list\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuthorized dealer.\u003c\/strong\u003e Direct relationship with Osaki, Titan, AmaMedic — your warranty stays intact, your serial number is on file, any service claim runs through us.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e30-minute response standard.\u003c\/strong\u003e Email support@peakflowfitness.com or call 646-921-5221 — average reply during business hours (Mon-Fri 9-9 EST) is under 30 minutes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003efree shipping over $999.\u003c\/strong\u003e Curbside delivery is free on every chair on this page.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrice match.\u003c\/strong\u003e See a lower price from another authorized dealer? Send the link, we'll match it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShipping insurance included.\u003c\/strong\u003e Crate damage in transit gets replaced — we file the claim.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eShipping \u0026amp; Delivery\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eCurbside delivery (free).\u003c\/strong\u003e Driver places the crated chair at your driveway or garage. Recommend two adults to move into the home — crated weight is typically 240-330 lbs.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhite-glove delivery ($250-450 depending on access).\u003c\/strong\u003e Two-person team brings the chair into the room of choice, unboxes, sets it up, and removes the crate.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eLead time:\u003c\/strong\u003e 5-12 business days from order. Tracking is sent the moment the supplier issues it.\u003c\/p\u003e\n\n\u003ch2\u003eWarranty\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eStandard warranty:\u003c\/strong\u003e 1-year parts and labor, included. 2-year and 3-year extensions available as paid upgrades.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow claims work:\u003c\/strong\u003e Email support@peakflowfitness.com with the issue and your order number. We file with the manufacturer on your behalf, ship the replacement part, and arrange in-home service if needed.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\/\", \"@type\": \"Product\", \"name\": \"Osaki OS-Pro 4D DuoMax Massage Chair – 3D Massage Mechanism \u0026 Voice Control Massage Chair\", \"image\": [\"https:\/\/cdn.shopify.com\/s\/files\/1\/0615\/3830\/4185\/files\/os-pro-4d-duomax-brown-826066.jpg?v=1777437586\", \"https:\/\/cdn.shopify.com\/s\/files\/1\/0615\/3830\/4185\/files\/DuoMax_1500px_Thumbnail_Black.jpg?v=1777437586\", \"https:\/\/cdn.shopify.com\/s\/files\/1\/0615\/3830\/4185\/files\/os-pro-4d-duomax-taupe-505017.jpg?v=1777437586\", \"https:\/\/cdn.shopify.com\/s\/files\/1\/0615\/3830\/4185\/files\/os-pro-4d-duomax-taupe-231698.jpg?v=1777437586\", \"https:\/\/cdn.shopify.com\/s\/files\/1\/0615\/3830\/4185\/files\/DuoMax_1500px_thumbnails_screen.jpg?v=1777437586\"], \"description\": \"Osaki OS-Pro 4D DuoMax – 3D Massage Mechanism \u0026 Voice Control massage chair — 3D rollers, heat, voice control. free shipping over $999. 30-day returns. Authoriz\", \"brand\": {\"@type\": \"Brand\", \"name\": \"Osaki\"}, \"offers\": {\"@type\": \"Offer\", \"url\": \"https:\/\/peakflowfitness.com\/products\/osaki-os-pro-4d-duomax-massage-chair\", \"priceCurrency\": \"USD\", \"price\": \"12999\", \"availability\": \"https:\/\/schema.org\/InStock\", \"itemCondition\": \"https:\/\/schema.org\/NewCondition\", \"seller\": {\"@type\": \"Organization\", \"name\": \"Peak Flow Fitness\"}}}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\/\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What's the difference between the Osaki OS-Pro 4D DuoMax – 3D Massage Mechanism \u0026 Voice Control and the Osaki Trion Flex Duo 4D+3D – 4D Massage Mechanism \u0026 3D Massage Mechanism?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The Osaki OS-Pro 4D DuoMax – 3D Massage Mechanism \u0026 Voice Control sits at $12,999 versus the Osaki Trion Flex Duo 4D+3D – 4D Massage Mechanism \u0026 3D Massage Mechanism at $11,999. The price difference reflects the mechanism tier, track length, program count, and feature set. If you want a more entry-level chair at a lower price and don't need the full feature set of the Osaki OS-Pro 4D DuoMax – 3D Massage Mechanism \u0026 Voice Control, the Osaki Trion Flex Duo 4D+3D – 4D Massage Mechanism \u0026 3D Massage Mechanism is the right call. If you'll use this chair daily, the Osaki OS-Pro 4D DuoMax – 3D Massage Mechanism \u0026 Voice Control is the better long-term value.\"}}, {\"@type\": \"Question\", \"name\": \"What's the difference between the Osaki OS-Pro 4D DuoMax – 3D Massage Mechanism \u0026 Voice Control and the Osaki Os Pro Duomax?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The Osaki Os Pro Duomax steps up to $13,999 versus the Osaki OS-Pro 4D DuoMax – 3D Massage Mechanism \u0026 Voice Control at $12,999. You're paying for a higher mechanism tier or expanded feature scope (longer track, more programs, premium materials). If you'll use the chair daily for serious recovery work, the higher tier is usually worth the difference.\"}}, {\"@type\": \"Question\", \"name\": \"Where exactly does the heat zone work?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Heat is concentrated in the lumbar (lower back) zone. Independently switchable from the rollers, so you can run heat-only sessions or pair it with any program.\"}}, {\"@type\": \"Question\", \"name\": \"What's the maximum user weight and height?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Max user weight is around 260 lbs (verify), max user height is around 6'2\\\" (verify). The body scan and SL-Track geometry are calibrated for the listed range, which is where the massage feels best.\"}}, {\"@type\": \"Question\", \"name\": \"How much wall clearance does it need?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This chair is engineered for compact spaces — typical wall clearance is minimal — space-saving design. The chair slides forward as it reclines.\"}}, {\"@type\": \"Question\", \"name\": \"How does the voice control work?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Built-in voice recognition responds to direct commands — start, pause, switch program, adjust intensity. Chair-only system, no WiFi or phone pairing needed.\"}}, {\"@type\": \"Question\", \"name\": \"What does delivery look like?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Curbside (free) delivers the crate to your driveway. White-glove ($250-450) brings the chair into the room of choice, unboxes, and removes the crate. Lead times: 5-12 business days.\"}}, {\"@type\": \"Question\", \"name\": \"Can I finance it?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes — Shop Pay Installments at checkout. At $12,999, this chair fits the longer-term plan; the exact monthly figure shows up the moment you select Shop Pay at checkout.\"}}, {\"@type\": \"Question\", \"name\": \"What's covered by the warranty?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Standard 1-year parts and labor warranty included. 2-year and 3-year extensions available as paid upgrades. We handle all warranty paperwork on your behalf.\"}}, {\"@type\": \"Question\", \"name\": \"What's the return policy?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"30-day return window if the chair is unopened (factory-sealed crate). 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