MYTHIA A303
MYTHIA A303 Massage Chair Instruction Manual
Model: A303
1. Introduction
This manual provides essential instructions for the safe and effective operation, setup, and maintenance of your MYTHIA A303 Massage Chair. Please read this manual thoroughly before using the product and retain it for future reference.

Figure 1: MYTHIA A303 Massage Chair (Brown)
The MYTHIA A303 is a full-body massage chair designed to provide a comprehensive massage experience with features such as heat therapy, zero-gravity recline, SL track shiatsu massage, auto body scan, and Bluetooth speakers.
2. Important Safety Information
To ensure safe operation and prevent injury or damage, please adhere to the following guidelines:
- Always assemble the chair according to the instructions provided.
- Do not exceed the maximum weight capacity of 265 lbs (120 kg) to ensure stability and safety.
- Keep the chair away from heat sources and liquids to prevent damage.
- Always turn off the chair and unplug it before leaving or going to sleep.
- Never leave children unattended while using the chair.
- Consult a physician before use if you have any medical conditions.
3. Setup and Assembly
The MYTHIA A303 Massage Chair is designed for straightforward assembly. Follow these steps to set up your chair:
- Unpacking: Carefully remove all components from the packaging. Ensure all parts are present according to the packing list.
- Footrest Connection:
- Connect the white terminals and air hose located near the footrest attachment point.
- Remove any pre-installed screws from the footrest attachment area. Open the buckles. Retain these screws for reattachment.
- Hang the footrest onto the main chair frame. Close the buckles and secure them by re-inserting and tightening the screws.
Video 1: MYTHIA A303 Footrest Assembly Guide. This video demonstrates the step-by-step process for attaching the footrest to the main massage chair unit, including connecting electrical terminals and air hoses, and securing the footrest with screws and buckles.
- Placement: Position the chair on a flat, stable surface. Ensure there is adequate space around the chair for reclining and full operation (refer to dimensions in specifications).

Figure 2: MYTHIA A303 Massage Chair Dimensions. This image illustrates the overall dimensions of the massage chair, including depth, width, and height, which are important for placement and space planning.
4. Operating Instructions
Your MYTHIA A303 Massage Chair offers various functions for a personalized massage experience. Use the handheld LCD remote control or armrest shortcut keys to operate the chair.
4.1. 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 your neck to your waist.
4.2. Massage Programs and Techniques
Select from 8 pre-programmed auto modes and 5 massage techniques:
- Auto Programs: Comfort, Relax, Neck & Shoulder, Back & Waist, Energy, Fatigue Recovery, Hip Care, Sleep.
- Massage Techniques: Shiatsu, Kneading, Tapping, Knocking, Kneading-with-Tapping.
Combine these techniques with auto programs to match your preferences.

Figure 3: Intelligent Mechanical Massage Hands. This image displays the internal mechanism of the massage rollers, illustrating how they mimic human hand movements for various massage techniques.

Figure 4: 53.15" SL Track Design. This diagram shows the extended SL track, indicating the massage roller's path from the neck down to the glutes, conforming to the natural curve of the spine.
4.3. Adjustable Intensity and Targeted Relief
Customize your massage by controlling speed, width, and air pressure (3 levels). You can focus the massage on your full back, upper back, lower back, a partial zone, or a fixed point for pinpoint accuracy.
4.4. Zero-Gravity Recline
Recline into one of three zero-gravity positions to alleviate pressure on your spine and enhance the massage experience.
4.5. Air Compression Massage
Arm, calf, and foot airbags provide compression massage to boost circulation and release tension.

Figure 5: Air Compression Massage. This image highlights the areas of the chair equipped with airbags for compression massage, including the arms, calves, and feet.
4.6. Heat Therapy and Foot Rollers
Soothing carbon-fiber lumbar heat helps loosen tight muscles. Under-foot rollers provide a refreshing massage for tired soles.
4.7. Bluetooth Speakers
Connect your device via Bluetooth to enjoy music or audio during your massage session through the integrated HD speakers.

Figure 6: Bluetooth & HD Speaker. This image shows the integrated Bluetooth speakers in the headrest area, indicating their 360-degree surround sound capability and Bluetooth connection feature.

Figure 7: Extendable Footrest. This image illustrates the footrest's extendable feature, showing it can extend by 7.9 inches to accommodate users of different heights.
Video 2: MYTHIA A303 Massage Chair Overview. This video provides a general overview of the MYTHIA A303 massage chair, demonstrating its various features and how a user interacts with the chair for a relaxing massage experience.
5. Maintenance
To maintain the longevity and appearance of your massage chair:
- Cleaning: Wipe clean with a soft, damp cloth. Avoid harsh chemicals or abrasive cleaners.
- Storage: When not in use for extended periods, store the chair in a cool, dry place away from direct sunlight.
6. Troubleshooting
If you encounter any issues with your MYTHIA A303 Massage Chair, please refer to the following common solutions:
- Chair not powering on: Ensure the power cord is securely plugged into both the chair and a working electrical outlet. Check the power switch on the chair.
- Massage rollers not moving: Verify that a massage program has been selected. Ensure no obstructions are blocking the roller path.
- Remote control not responding: Check the remote's battery (if applicable) or ensure it is properly connected if wired.
- Unusual noises: Turn off the chair immediately and unplug it. Contact customer support if the noise persists upon restart.
For issues not listed here, please contact MYTHIA customer support.
7. Product Specifications
| Feature | Detail |
|---|---|
| Brand | MYTHIA |
| Model Name | A303 |
| Color | A303 Brown |
| Product Dimensions (D x W x H) | 50.39"D x 29.92"W x 46.46"H |
| Item Weight | 180.4 pounds |
| Maximum User Weight | 265 lbs (120 kg) |
| SL Track Length | 53.15 inches |
| Massage Techniques | Shiatsu, Kneading, Tapping, Knocking, Kneading-with-Tapping |
| Auto Programs | 8 (Comfort, Relax, Neck & Shoulder, Back & Waist, Energy, Fatigue Recovery, Hip Care, Sleep) |
| Heat Function | Carbon-fiber lumbar heat |
| Zero-Gravity Recline | 3 positions |
| Air Compression | Arms, calves, feet |
| Foot Rollers | Yes |
| Connectivity | Bluetooth Speakers |
| Control | LCD handheld remote, armrest shortcut keys |
| UPC | 850036151456 |
8. Warranty and Support
MYTHIA stands by its commitment to reliability. Your MYTHIA A303 Massage Chair comes with a 3-Year Expert Support. For warranty claims, technical assistance, or any product-related inquiries, please contact MYTHIA customer service.
You can find more information and contact details on the official MYTHIA store page: MYTHIA Store.
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