MYTHIA A303

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MYTHIA A303 Full Body Massage Chair Instruction Manual

Model: A303

Important Safety Information

Always read and follow the instructions manual. Do not use if pregnant, with open wounds or infections. Be cautious with the heat function to avoid burns. Keep the chair dry and away from water. Unplug the chair when not in use. Do not use if the power cord is damaged. Consult a doctor before use if you have any health conditions or concerns.

Product Overview

The MYTHIA A303 Massage Chair is designed to provide a comprehensive full-body massage experience. It features an iRest System with a 53.15-inch SL track, zero-gravity recline, auto body scan, heat therapy, foot rollers, and integrated Bluetooth speakers.

MYTHIA A303 Massage Chair in a living room setting

Image: The MYTHIA A303 Massage Chair, showcasing its design and presence in a home environment.

Video: An overview of the MYTHIA A303 Massage Chair's features and user experience.

Setup and Assembly

Unpacking and Placement

Carefully remove the massage chair from its packaging. Ensure you have adequate space for the chair, considering its dimensions of 50.39"D x 29.92"W x 46.46"H. The chair is designed for indoor use on hard floor surfaces. It is recommended for users up to 6 feet tall and weighing up to 260 lbs.

MYTHIA A303 Massage Chair dimensions and user fit guide

Image: Visual guide illustrating the dimensions of the MYTHIA A303 Massage Chair and recommended user height and weight.

Footrest Assembly

The footrest requires minimal assembly. Follow these steps:

  1. Connect the white terminals and air hose.
  2. Remove the screws holding the footrest in place, then open the buckles. Keep the screws for reassembly.
  3. Hang the footrest onto the main chair unit, close the buckles, and secure them with the previously removed screws.

Video: Step-by-step guide for assembling the footrest of the MYTHIA A303 Massage Chair.

Connecting Power

Plug the power cord into a suitable electrical outlet. Ensure the power switch on the chair is in the 'On' position.

Operating Instructions

Basic Controls

The chair can be operated using the LCD handheld remote control or the armrest shortcut keys. The remote allows for detailed program selection and adjustments, while the armrest keys provide quick access to common functions.

MYTHIA A303 Massage Chair remote control and armrest buttons

Image: Close-up of the remote control and armrest shortcut buttons for the MYTHIA A303 Massage Chair.

Auto Body Scan

Upon starting a massage program, the chair automatically scans your shoulders and back. This feature adapts the massage path to your individual height and body shape, ensuring precise and tailored coverage from neck to waist.

MYTHIA A303 Massage Chair automatic body scan system illustration

Image: Illustration depicting the automatic body scan system of the MYTHIA A303 Massage Chair.

Auto Programs and Massage Techniques

Select from 8 pre-set auto programs:

  • Comfort
  • Relax
  • Neck & Shoulder
  • Back & Waist
  • Energy
  • Fatigue Recovery
  • Hip Care
  • Sleep

Combine these with 5 massage techniques:

  • Shiatsu
  • Kneading
  • Tapping
  • Knocking
  • Kneading-with-Tapping

Adjustable Intensity and Targeted Relief

Customize your massage by adjusting speed, width, and air pressure (3 levels). Target specific areas including full back, upper back, lower back, a partial zone, or a fixed point for pinpoint accuracy.

Zero-Gravity Recline

Recline into one of three zero-gravity positions to alleviate pressure on your spine and enhance the massage experience.

MYTHIA A303 Massage Chair in zero-gravity recline position

Image: The MYTHIA A303 Massage Chair fully reclined in a zero-gravity position.

Heat Function and Foot Rollers

Activate the soothing carbon-fiber lumbar heat to help loosen tight muscles. Under-foot rollers provide relief for tired soles.

MYTHIA A303 Massage Chair footrest with foot rollers

Image: Close-up of the extendable footrest and foot rollers of the MYTHIA A303 Massage Chair.

Bluetooth Speakers

Connect your device via Bluetooth to enjoy audio through the integrated speakers during your massage session.

MYTHIA A303 Massage Chair with integrated Bluetooth speakers

Image: Detail of the integrated Bluetooth speakers on the MYTHIA A303 Massage Chair.

Maintenance

Cleaning

Wipe the faux leather surfaces with a soft, damp cloth. Avoid using harsh chemicals or abrasive cleaners. Ensure the chair is unplugged before cleaning.

General Care

Keep the chair away from direct sunlight and heat sources to prevent material degradation. Avoid placing heavy objects on the chair. Regularly check for any loose connections or wear and tear.

Troubleshooting

No Power

  • Check if the power cord is securely plugged into both the chair and the wall outlet.
  • Ensure the power switch on the chair is in the 'On' position.
  • Verify that the wall outlet is functioning by plugging in another appliance.

Massage Not Functioning Correctly

  • Ensure you are seated properly, with your back and neck firmly against the backrest for accurate body scan detection.
  • Check the remote control for error messages or specific program settings.
  • Restart the chair by turning it off and on again.

Unusual Noises

Minor operational sounds are normal. If you hear loud or unusual noises, turn off the chair immediately and contact customer support.

Specifications

FeatureDetail
BrandMYTHIA
Model NameA303
MaterialFaux Leather, Foam (Fill)
Product Dimensions (D x W x H)50.39" x 29.92" x 46.46"
Seat Depth20.08 inches
Recommended User Height< 6 ft
Recommended User Weight< 260 lbs
SL Track Length53.15 inches
Zero Gravity Positions3
Air Pressure Levels3
Heat FunctionCarbon-fiber lumbar heat
ConnectivityBluetooth Speakers
Control MethodLCD Handheld Remote, Armrest Shortcut Keys
Assembly RequiredYes
UPC850036151463

Warranty and Support

MYTHIA stands by its commitment to reliability through a 3-Year Expert Support. For any issues or inquiries, please refer to your purchase documentation for contact information or visit the official MYTHIA website.

© 2026 MYTHIA. All rights reserved.

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