COREnine 8825 Full Body Massage Chair

The 8825 includes 10 pre-programmed auto massage modes covering a range of styles from deep-tissue to gentle relaxation, along with 6 manual massage techniques such as kneading, shiatsu, tapping, knocking, and combination modes. A memory storage feature allows users to save preferred settings, including intensity levels and recline positions, so a personalized session can be started instantly with a single touch.

Upright: 61"L × 30"W × 45"H

Reclined: 69"L × 30"W × 34"H

Seat Dimensions: 19.75”W x 19”D

Net Weight: 200 lbs

Weight Capacity: 285 lbs

The 8825 features a 4-roller robotic shiatsu massage mechanism paired with an extended SL-track, a feature only found in premium massage chairs. Unlike entry-level models that use vibration motors or single roller systems focused primarily on the mid-back, the 8825 delivers comprehensive massage coverage from the neck through the upper thighs. Its advanced massage system is complemented by zero gravity recline, foot reflexology rollers, heat therapy, and full-body air compression massage, a combination unavailable in lower-priced massage chairs.

Yes. The 8825 is designed to relieve lower back pain through a combination of zero gravity recline, which helps distribute body weight more evenly and reduces pressure on the spine, and a stretching function that decompresses the back and loosens the hips. An extended SL-track delivers continuous shiatsu massage from the neck through the upper thighs, targeting areas where tension commonly accumulates, and  lumbar heat therapy further enhances the experience by promoting circulation and helping tight muscles relax. Together, these features support spinal comfort, reduce muscle tension, and encourage recovery.

Shiatsu is a Japanese massage technique that applies rhythmic pressure to specific points along the body to release muscle tension, improve circulation, and promote relaxation. The COREnine 8825 replicates this with a 4-roller robotic mechanism that mimics the kneading, rolling, and pressing motions of a massage therapist's hands, delivering a human-like massage experience.

Zero gravity is a recline position, originally developed by NASA, that elevates the legs above the heart level, distributing body weight evenly and removing gravitational stress from the spine. In this position, muscles decompress, circulation improves, and the body absorbs the massage more effectively. The COREnine 8825 massage chair provides two  zero gravity positions for varying levels of decompression.

For daily muscle maintenance, stress relief, and recovery, the COREnine 8825 is a highly effective alternative. It replicates many of the kneading, stretching, and compression techniques used by massage therapists and provides on-demand access in the comfort of your home with no per-session cost.

While a licensed massage therapist may be preferable for acute injuries or specialized clinical treatment, the COREnine 8825 delivers many of the same benefits for routine relaxation, muscle recovery, and overall wellness. For most users, it offers a convenient and cost-effective way to enjoy therapeutic massage on a regular basis.

An SL track is a curved massage rail that follows the natural contour of the spine, starting at the neck and upper back (the S-curve) and extending beneath the seat to reach the glutes and upper thighs (the L-extension). Unlike traditional S-track chairs that stop at the lower back, the COREnine 8825's SL track provides continuous massage coverage from the neck to the thighs. This extended range allows for more comprehensive muscle relief, improved recovery, and a more effective full-body massage experience.

Most users benefit from one or two daily massage sessions lasting 15–30 minutes. The COREnine 8825 features an adjustable timer, allowing you to customize session length to match your needs and schedule.

For stress relief and relaxation, an evening massage can help you unwind and prepare for restful sleep. For muscle recovery and improved mobility, a morning session may help reduce stiffness and loosen tight muscles. The chair's 10 automatic massage programs make it easy to vary your routine and target different areas of the body, providing a more personalized massage experience.

The first zero gravity position elevates the legs slightly above the heart to reduce spinal compression and promote relaxation. The second position reclines further, distributing body weight more evenly to maximize pressure relief and create a deeper feeling of weightlessness. While most entry-level massage chairs offer only a single Zero Gravity position, the COREnine 8825 provides two levels of recline, allowing users to choose the position that best suits their comfort and recovery needs.

The COREnine 8825 is built for anyone who wants a professional-grade, full-body shiatsu massage at home without stepping into the premium price tier.

Back pain and tension sufferers. The SL back track, dual zero gravity recline, heat therapy, and stretch function work together to reduce spinal compression and help relieve chronic tension in the neck, back, hips, and legs.

Daily recovery seekers. With 10 automatic programs and 6 manual massage techniques, the 8825 delivers on-demand relief for desk workers, active individuals, and anyone looking to reduce stress and improve recovery as part of a daily routine.

Buyers replacing massage therapy. Priced at $2,999 with free white glove delivery, the 8825 combines shiatsu massage, stretching, air compression, heat therapy, and foot reflexology at a fraction of the long-term cost of professional massage sessions.

Space-conscious homes. The space-saving design requires just 3 inches of wall clearance to fully recline, making it a practical fit for living rooms, bedrooms, home offices, and apartments.

Multi-user households. Automatic shoulder height detection and memory storage allow every person in the house to enjoy a personalized massage session with the touch of a button.

Yes. The cushion foam in the COREnine 8825 is CertiPUR-US® certified, independently tested to meet rigorous standards for chemical emissions, content safety, and long-term durability. It contains no formaldehyde, ozone depleters, mercury, lead, or phthalates regulated by the U.S. Consumer Product Safety Commission.

The COREnine 8835 is the upgraded model in the lineup, priced at $3,999 compared to $2,999 for the COREnine 8825. Here's what sets the two models apart:

• The 8835 adds several premium features, including calf massage rollers with oscillating kneading, expanded heat therapy for the back, hands, and feet (compared to the 8825's back-only heat), voice recognition with 22 commands, and a rocking function designed to promote deeper relaxation and improve sleep quality. These features are exclusive to the 8835.

  
  

• The 8825 counters with several advantages of its own. It offers two zero gravity recline positions compared to one on the 8835, 10 automatic massage programs versus 9, three foot reflexology rollers instead of two, and memory storage to save preferred massage settings. These features provide greater personalization and additional options for spinal decompression.

  
  

Both models feature the same SL track design, 4-roller shiatsu massage mechanism, full-body air compression system, stretch function, Bluetooth speakers, USB charging, CertiPUR-US® certified foam, and free white glove delivery. Each chair is backed by a 2-year parts warranty and 2-year in-home service coverage.

The COREnine 8825 ships with free white glove delivery, which includes in-home delivery to a room of your choice, full chair assembly, and removal of all packaging. No tools or setup are required—the chair arrives ready to use straight out of the box.

Delivery typically takes about 3–4 weeks, depending on shipping availability. Delivery timelines and methods may vary based on location.

COREnine offers interest-free monthly payment options through Splitit, allowing customers to spread payments over up to 12 months on all COREnine massage chairs. View the Splitit payment plans page for additional information.

Go to the instruction manuals page and click on the 8825 Massage Chair Manual to download a PDF version of this manual.

If you are not completely satisfied with your massage chair purchase, COREnine offers a full refund minus a 15% shipping and restocking fee for all massage chairs that are purchased on our website within 30 days of the purchase date. 

Please Note: COREnine cannot refund returns for massage chairs that were not purchased on our website. If you purchased your COREnine massage chair at a retail store, contact the store to learn about their return/refund policy.

Returned massage chairs must be received in the original box, in new condition and with all of the original packaging, parts, accessories, and documents. COREnine will issue a refund after the returned product is received and inspected. Please allow 3 - 4 weeks for the refund to be processed.

View the return policy page for additional information.

The 8825 includes a 2-year parts warranty and a 2-year in-home service warranty. If a covered component requires repair during the warranty period, COREnine sends a technician directly to your home—eliminating the need to package or ship a large massage chair for service. An optional extended warranty is also available, providing up to 5 years of coverage for long-term protection.

Go to the service/repairs page to learn about the steps you can take if you encounter a problem with your massage chair.

You can email or call COREnine at 800.880.7750 for warranty issues.

To activate the 8825 warranty, register your product using the serial number located on the back of the chair near the power switch.

View the FAQ page for additional information about COREnine products.