Osaki JP-Nexus 4D Massage Chair
Japanese-crafted 4D massage comfort with intelligent full-body coverage
The Osaki JP-Nexus 4D is designed for customers who want a premium massage chair with advanced 4D roller technology, SL-Track coverage, body scanning, air compression, foot rollers, lumbar heat, and a refined modern design.
With Japanese craftsmanship, quiet operation, space-saving recline, voice control, Bluetooth speakers, and 16 auto programs, the JP-Nexus 4D brings a more personalized massage experience into your home.

Best for
Users who want a premium Japanese-made massage chair with stronger back coverage, quiet operation, lower-body comfort, and modern control features for daily home relaxation.
Massage feel
The JP-Nexus 4D is built for a more precise and layered massage feel, combining 4D roller movement, SL-Track coverage, air compression, foot rollers, and personalized body scanning.
Room fit
The space-saving recline design helps reduce rear clearance needs, but you should still measure your room, doorway, hallway, and delivery path before purchase.
Key massage features
These are the main JP-Nexus 4D features most customers should understand before choosing this chair.
Advanced 4D Massage Mechanism
The JP-Nexus 4D uses an advanced 4D massage mechanism designed to create a more precise and adjustable massage experience. The rollers can vary depth, speed, pressure, and rhythm to better match different massage preferences.
- Designed for deeper and more controlled roller movement.
- Helps create a more realistic massage rhythm compared with basic rollers.
- Allows users to adjust the massage feel for a more personalized session.
Extended SL-Track Coverage
The SL-Track system follows the natural curve of the spine while extending massage coverage down toward the glute and hamstring area. This gives the JP-Nexus 4D broader coverage than a basic back-only massage chair.
- Designed to massage from the neck and shoulders down through the lower body.
- Combines S-track back contouring with L-track extended coverage.
- Good for users who want more complete upper-to-lower body massage coverage.
Automatic Body Scan
Before each session, the JP-Nexus 4D scans the user’s body to help identify shoulder position, back shape, and massage path. This helps the rollers align more accurately before the program begins.
- Helps detect shoulder height and body position.
- Supports more accurate roller placement along the back.
- Allows recalibration after scanning for a better personalized fit.
34-Cell Air Compression Massage
The JP-Nexus 4D uses strategically placed air cells to add rhythmic compression around key body areas. This helps create a fuller massage feel alongside the chair’s 4D roller system.
- Air cells support areas such as shoulders, arms, waist, calves, and feet.
- Adds gentle rhythmic pressure during selected massage programs.
- Pairs with roller massage for a more complete full-body session.
3.5-Inch Space Saving Recline
The JP-Nexus 4D is designed to recline with reduced rear clearance, helping it fit more easily in living rooms, bedrooms, and dedicated relaxation spaces.
- Designed to need about 3.5 inches of wall clearance for full recline.
- Helpful for rooms where rear space is limited.
- Always confirm final placement, doorway width, and delivery path before ordering.
Specialized Foot Rollers
The JP-Nexus 4D includes specialized foot rollers designed to massage the bottom of the feet with focused rolling movement, helping complete the lower-body massage experience.
- Targets tired feet with dedicated roller coverage.
- Works with calf and foot air compression for a fuller lower-body feel.
- Helpful for users who stand, walk, or work on their feet for long periods.
Additional comfort and control features
These supporting features help make the JP-Nexus 4D easier to use, more comfortable, and more complete for everyday relaxation at home.
Made in Japan
The JP-Nexus 4D is crafted with Japanese design and manufacturing standards for a premium fit, finish, and long-term ownership experience.
Quiet Technology
Noise reduction technology helps keep operation quieter, creating a calmer massage environment at home.
Lumbar Heat
Graphene heating adds soothing warmth to the lower-back area during selected massage sessions.
Two-Stage Zero Gravity
Two-stage Zero Gravity recline helps place the body in a more relaxed angle during massage.
Side Panel Control
A shortcut panel on the side of the armrest allows quick adjustments without reaching for the main remote.
Voice Control
Intelligent voice control allows users to operate selected chair functions hands-free with simple commands.
Bluetooth Speakers
Built-in Bluetooth speakers let users enjoy music, calming audio, podcasts, or guided relaxation during a massage.
16 Auto Programs
Sixteen automatic programs provide different massage styles for relaxation, recovery, stretching, and daily comfort needs.
Removable Headrest
The removable headrest lets users adjust contact and comfort depending on how deep they want the massage to feel.
Hand Reflexology
Built-in hand reflexology nodes add focused contact inside the armrest area for another layer of comfort.
LED Lighting
Integrated LED lighting adds a modern visual touch and helps the chair feel more polished in a home setting.
Modern Premium Design
The JP-Nexus 4D combines advanced massage technology with a clean, elegant exterior designed for premium interiors.
Before you choose the JP-Nexus 4D
A premium massage chair should fit your body, your room, and your daily routine. Before purchase, confirm the chair dimensions, wall clearance, doorway width, delivery path, warranty coverage, and return details with Tittac.
- Measure the room where the chair will be placed.
- Check doorway, hallway, stair, and delivery access before ordering.
- Ask about warranty coverage for the specific model.
- Contact Tittac if you want help comparing massage style, chair size, and setup expectations.
Osaki JP-Nexus 4D FAQ
Is the Osaki JP-Nexus 4D a good massage chair for home use?
Yes. The JP-Nexus 4D is a strong fit for customers who want a premium home massage chair with 4D massage, SL-Track coverage, body scanning, air compression, foot rollers, lumbar heat, quiet operation, and modern controls.
What makes the JP-Nexus 4D different from a basic massage chair?
The JP-Nexus 4D offers a 4D massage mechanism, extended SL-Track, automatic body scan, 34-cell air compression, specialized foot rollers, 3.5-inch space-saving recline, voice control, Bluetooth speakers, and 16 auto programs.
How much wall space does the JP-Nexus 4D need?
The product content lists a space-saving recline design that needs about 3.5 inches of clearance from the wall. You should still measure your room and confirm the final placement before ordering.
Does the lumbar heat feature replace medical treatment?
No. Lumbar heat is designed to add warmth and comfort during massage sessions. It should not be treated as medical care or a replacement for advice from a healthcare professional.
How can I choose the JP-Nexus 4D if I cannot visit the showroom?
You can still get help before ordering. Tittac can walk you through the JP-Nexus 4D’s massage features, chair size, room fit, delivery expectations, warranty coverage, and return details by phone, text, or chat.
Get help choosing the right massage chair
Whether you visit our showroom or order from out of state, Tittac can help you review chair size, massage style, delivery options, warranty coverage, and return questions before you buy.
- Compare massage style, chair size, and comfort features before ordering.
- Ask about delivery options, setup expectations, warranty coverage, and return details for your location.
- Get help by phone, text, chat, or showroom visit depending on where you live.