Kahuna DIOS 7300 – 7D AI Dual Core (4D+3D) Massage Chair with Air Float System & 3D Calf Kneading

7D AI Dual Core Massage, Engineered for Big and Tall Bodies

The Kahuna DIOS 7300 is the upgrade you reach for when a standard chair has never quite fit you. Built on the SM7300 platform that became an Amazon bestseller, it runs a 7D AI Dual Core system: a 4D upper module and a 3D lower module working at the same time, each with its own independently adjustable intensity. Your shoulders and lower back get worked simultaneously rather than one zone at a time, so a session feels complete instead of sequential.

What sets the 7300 apart is who it is built for. The dual system delivers stronger support, wider coverage and more consistent pressure across larger frames, comfortably accommodating heights up to 6 feet 3 inches and weights up to 280 pounds. An open-toe footrest design gives larger feet room to relax, and the calf section raises to bring the massage all the way up to the thighs. This is a chair that finally treats a bigger body the way a smaller one has always been treated.

Layered on top is everything that makes a Kahuna feel premium: an Air Float System that adds pneumatic pressure to the rollers, 24 AI-powered programs, a micro-current body scanner with built-in health monitoring, 3-stage zero gravity, heat therapy, Bluetooth audio and an LCD touchscreen remote. Nothing here is an afterthought.

7D AI Dual Core, Upper and Lower Body at the Same Time

The DIOS 7300 pairs a 4D upper module with a 3D lower module so two regions of your body are massaged simultaneously. The 4D unit works the neck, shoulders and upper back while the 3D unit stays on the lower back and hips, and each module has independently adjustable intensity. You can run a firmer session up top and a gentler one below, or the reverse, in the same sitting.

Built for Big and Tall Users

This dual system is specifically engineered for larger body frames, delivering wider coverage and more consistent pressure where standard chairs fall short. It comfortably fits heights up to 6 feet 3 inches and weights up to 280 pounds, and the open-toe footrest gives larger feet the room a closed design cannot.

24 AI-Powered Automatic Programs

Two independent modules deliver kneading, tapping, clapping and Tuina techniques, alone or in combination, for deep muscle stimulation, improved circulation and tension relief. Twenty four AI-powered programs adapt the session to your body rather than running a fixed routine.

Health Check and Smart Body Scanning

Built-in health monitoring reads your SpO2, heart rate and muscle fatigue, with results displayed on a tablet. A micro-current body scanner maps your shape before the session so roller positioning and airbag pressure are calibrated to you for maximum effectiveness.

Advanced Calf and Foot System with 3D Kneading

A 3D calf airbag kneading massage boosts circulation and relieves leg fatigue, while large rollers along the back of the calves deliver a deep, professional-grade kneading. The open-toe footrest accommodates larger shoe sizes, and airbag pressure is fully adjustable.

Thigh and Calf Airbag Massage

Rollers at the back of the calves provide a deep roller massage, and the calf airbag section raises to extend a soothing massage all the way up to the thighs, helping release tension and improve circulation through the entire lower body.

Air Float System

Rollers and integrated air flaps work together so pneumatic pressure layers on top of roller movement. The result is a soothing, deep-tissue sensation that targets key muscle groups, relieves tension and reduces fatigue more effectively than rollers alone.

3-Stage Zero Gravity and Full Manual Control

Three zero gravity positions elevate your legs to take pressure off the spine and let your muscles fully release. When you want to take over, Manual Mode lets you focus on specific areas with your preferred technique and adjustable roller width, tailoring intensity and coverage exactly to your needs.

LCD Touchscreen, Bluetooth, Heat and Phone Pocket

An LCD touchscreen remote puts every setting within reach, Bluetooth audio streams music or guided audio through the session, and heat therapy warms and loosens muscles before the rollers work deeper. A built-in phone storage pocket keeps your device close throughout.

Shipping

The Kahuna DIOS 7300 ships direct from Kahuna's US warehouse via freight carrier. Standard delivery time is 10 to 14 business days. In some cases, due to weather or other conditions, delivery may take up to 30 business days. Shipping cost is calculated based on distance from the warehouse to your delivery address and confirmed at checkout.

White Glove Delivery is available as an add-on. This includes in-home delivery, placement in your room of choice and full assembly. Standard freight delivery is curbside only. White Glove delivery fees are non-refundable.

Returns

You have 30 days from the date of delivery to request a return. Customers are responsible for return freight charges and a restocking fee of 15% to 35% depending on the condition of the item. Once the returned item has been received and inspected, a refund is issued for the purchase total minus freight and restocking fees. Original packaging is required for all returns. Products returned without original packaging will not be accepted.

To start a return, contact our customer service team to receive a Return Merchandise Authorization (RMA) number and the correct return address.

Warranty

The DIOS 7300 is covered by Kahuna's manufacturer warranty. As an authorized Kahuna dealer, ReclineWell ensures your warranty is fully registered and valid from the date of purchase. This warranty applies only to products purchased from Kahuna directly or through an authorized dealer such as ReclineWell.

The warranty does not cover damage or malfunctions caused by normal wear and tear, improper installation, misuse, abuse, negligence, accidents, unauthorized repairs or modifications, or external causes such as natural disasters. Animal damage, liquid damage and accidental damage are also not covered. If the chair is used in a commercial setting rather than for personal residential use, the warranty may not apply.

Price Match

Find a lower price for the same product at another authorized retailer and we will match it. Provide documentation of the lower price within 14 days of your purchase date. Price match excludes holiday-only offers, promotions that include free items, special financing offers, rebates, limited quantity items, clearance items and limited-time exclusive offers.

• DIOS 7300 Owner's Manual
• DIOS 7300 Product Brochure