The Osaki OS-Pro Maestro LE 4D Massage Mechanism & SL is a premium 4D performer at this price band typically more spec-for-the-money than chairs $1-2K above it. At $8,999, it fits the flagship band of our Osaki/Titan/AmaMedic lineup.

What makes the Osaki OS-Pro Maestro LE 4D Massage Mechanism & SL different

• 4D massage mechanism adjustable depth and rolling speed across the back and shoulders for tension that varies day to day.
• SL-Track roller path the rollers travel from the base of the neck through the lower glutes, covering more of the spine than a standard S-Track.
• Auto body scan the chair maps your shoulder height and spine curvature on first recline, so the rollers land where your body actually is.
• Zero-gravity recline knees positioned above the heart removes pressure on the lumbar spine and lets the rollers work deeper.
• Lumbar heat concentrated warmth at the lower-back zone preps the muscles before deep rolling.
• Touchscreen remote full visual interface for program selection, intensity tuning, and zone targeting.
• Bluetooth speakers built-in audio in the headrest, designed to integrate with the massage rhythm.
• Authorized-dealer pricing every chair ships with the full manufacturer warranty plus our shipping insurance.

Full Specifications

Specification	Detail
Brand	Osaki
Model	OS-Pro Maestro LE 4D Massage Mechanism & SL
Mechanism	4D
Track Type	SL-Track
Auto Programs	(verify with supplier)
Manual Modes	(verify with supplier)
Zero-Gravity Recline	Yes
Body Scan	Yes
Heating	Yes
Air Compression	(verify with supplier)
Calf Mechanism	Yes
Foot Rollers	(verify with supplier)
Footrest	Extendable
Voice Control	(verify with supplier)
Touchscreen	Yes
Bluetooth Audio	Yes
Wireless Phone Charging	(verify with supplier)
Max User Weight	(verify with supplier)
Max User Height	(verify with supplier)
Wall Clearance Required	(verify with supplier)
Power	110-120V, ~150W
Available Colors	(verify with supplier)
Standard Warranty	1-year parts & labor
Extended Warranty Options	2-year and 3-year extensions available

Who the Osaki OS-Pro Maestro LE 4D Massage Mechanism & SL is built for

The right chair if

• You want adjustable rolling depth and speed, not just a fixed pressure level
• You'll use the chair 3+ times per week the 4D tier is built for daily users
• Lumbar heat is part of your recovery routine, not optional
• Your budget for a chair sits in the $8,499 $9,499 range
• You want an authorized dealer with manufacturer warranty intact and shipping insured

Not the right chair if

• You need a chair under $5,399 look at the chairs lower in the lineup
• You're shopping primarily on aesthetics this lineup prioritizes mechanism quality

How the Osaki OS-Pro Maestro LE 4D Massage Mechanism & SL compares

Specification	Osaki OP-4D Master 4D Massage Mechanism & SL $7,999	Osaki OS-Pro Maestro LE 4D Massage Mechanism & SL $8,999	Osaki OP-4D Master 4D Massage Mechanism & SL $7,999	Osaki Pro Vivant 5D 5D Massage Mechanism & SL $9,999
Price	$7,999	$8,999	$7,999	$9,999
Mechanism	4D	4D	4D	(verify)
Track	SL-Track	SL-Track	SL-Track	SL-Track
Heat	Yes	Yes	Yes	(verify)
Voice	(verify)	(verify)	(verify)	(verify)
Touchscreen	Yes	Yes	Yes	Yes
Body Scan	Yes	Yes	Yes	Yes
Bluetooth	Yes	Yes	Yes	Yes
Wireless Charging	(verify)	(verify)	(verify)	(verify)

Frequently Asked Questions

What's the difference between the Osaki OS-Pro Maestro LE 4D Massage Mechanism & SL and the Osaki OP-4D Master 4D Massage Mechanism & SL?The Osaki OS-Pro Maestro LE 4D Massage Mechanism & SL sits at $8,999 versus the Osaki OP-4D Master 4D Massage Mechanism & SL at $7,999. 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 Maestro LE 4D Massage Mechanism & SL, the Osaki OP-4D Master 4D Massage Mechanism & SL is the right call. If you'll use this chair daily, the Osaki OS-Pro Maestro LE 4D Massage Mechanism & SL is the better long-term value. What's the difference between the Osaki OS-Pro Maestro LE 4D Massage Mechanism & SL and the Osaki Pro Vivant 5D 5D Massage Mechanism & SL?The Osaki Pro Vivant 5D 5D Massage Mechanism & SL steps up to $9,999 versus the Osaki OS-Pro Maestro LE 4D Massage Mechanism & SL at $8,999. 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. Where exactly does the heat zone work?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. What's the maximum user weight and height?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. How much wall clearance does it need?This chair is engineered for compact spaces typical wall clearance is minimal space-saving design. The chair slides forward as it reclines. What's the easiest way to control it?Standard remote with menu navigation. The chair remembers your last-used settings across sessions. What does delivery look like?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. Can I finance it?Yes Shop Pay Installments at checkout. At $8,999, this chair fits the longer-term plan; the exact monthly figure shows up the moment you select Shop Pay at checkout. What's covered by the warranty?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. What's the return policy?30-day return window if the chair is unopened (factory-sealed crate). Most post-unboxing issues are resolved by warranty replacement of the affected part.

Why buy from Peak Flow Fitness

• Authorized dealer. Direct relationship with Osaki, Titan, AmaMedic your warranty stays intact, your serial number is on file, any service claim runs through us.
• 30-minute response standard. Email support@ or call 646-921-5221 average reply during business hours (Mon-Fri 9-9 EST) is under 30 minutes.
• free shipping over $999. Curbside delivery is free on every chair on this page.
• Price match. See a lower price from another authorized dealer? Send the link, we'll match it.
• Shipping insurance included. Crate damage in transit gets replaced we file the claim.

Shipping & Delivery

Curbside delivery (free). 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.

White-glove delivery ($250-450 depending on access). Two-person team brings the chair into the room of choice, unboxes, sets it up, and removes the crate.

Lead time: 5-12 business days from order. Tracking is sent the moment the supplier issues it.

Warranty

Standard warranty: 1-year parts and labor, included. 2-year and 3-year extensions available as paid upgrades.

How claims work: Email support@ 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.

{"@context": "https://schema.org/", "@type": "Product", "name": "Osaki OS-Pro Maestro LE Massage Chair 4D Massage Mechanism & SL Massage Chair", "image": ["https://cdn.shopify.com/s/files/1/0615/3830/4185/files/osaki-os-pro-maestro-le-black-2382004.jpg?v=1777437594", "https://cdn.shopify.com/s/files/1/0615/3830/4185/files/osaki-os-pro-maestro-le-black-5757098.jpg?v=1777437594", "https://cdn.shopify.com/s/files/1/0615/3830/4185/files/osaki-os-pro-maestro-le-beige-9326266.jpg?v=1777437594", "https://cdn.shopify.com/s/files/1/0615/3830/4185/files/osaki-os-pro-maestro-le-brown-9578486.jpg?v=1777437594", "https://cdn.shopify.com/s/files/1/0615/3830/4185/files/osaki-os-pro-maestro-le-black-7439094.jpg?v=1777437594"], "description": "Osaki OS-Pro Maestro LE 4D Massage Mechanism & SL massage chair 4D rollers, SL-Track, heat. free shipping over $999. 30-day returns. Authorized dealer.", "brand": {"@type": "Brand", "name": "Osaki"}, "offers": {"@type": "Offer", "url": "https:///products/osaki-os-pro-maestro-le-massage-chair", "priceCurrency": "USD", "price": "8999", "availability": "https://schema.org/InStock", "itemCondition": "https://schema.org/NewCondition", "seller": {"@type": "Organization", "name": "Peak Flow Fitness"}}}{"@context": "https://schema.org/", "@type": "FAQPage", "mainEntity": [{"@type": "Question", "name": "What's the difference between the Osaki OS-Pro Maestro LE 4D Massage Mechanism & SL and the Osaki OP-4D Master 4D Massage Mechanism & SL?", "acceptedAnswer": {"@type": "Answer", "text": "The Osaki OS-Pro Maestro LE 4D Massage Mechanism & SL sits at $8,999 versus the Osaki OP-4D Master 4D Massage Mechanism & SL at $7,999. 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 Maestro LE 4D Massage Mechanism & SL, the Osaki OP-4D Master 4D Massage Mechanism & SL is the right call. If you'll use this chair daily, the Osaki OS-Pro Maestro LE 4D Massage Mechanism & SL is the better long-term value."}}, {"@type": "Question", "name": "What's the difference between the Osaki OS-Pro Maestro LE 4D Massage Mechanism & SL and the Osaki Pro Vivant 5D 5D Massage Mechanism & SL?", "acceptedAnswer": {"@type": "Answer", "text": "The Osaki Pro Vivant 5D 5D Massage Mechanism & SL steps up to $9,999 versus the Osaki OS-Pro Maestro LE 4D Massage Mechanism & SL at $8,999. 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": "What's the easiest way to control it?", "acceptedAnswer": {"@type": "Answer", "text": "Standard remote with menu navigation. The chair remembers your last-used settings across sessions."}}, {"@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 $8,999, 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). Most post-unboxing issues are resolved by warranty replacement of the affected part."}}]}